76125624 BSC Clear Codes and Phases

Appendix: BSC clear codes and phases

More information about BSC clear codes and phases is available in document Call Related DX-Causes in BSC in the BSC

documentation library.

Note

During the creation of the plan for Clear Code Observation measurement type of BSC, select at least one

additional parameter (BTC/BSIC).

Phases

Table: BSC clear codes and phases

Dec Hex Phase

1 0x1 Paging/Initial MS (CCCH and SDCCH or TCH)

2 0x2 MM-signalling (SDCCH or TCH)

3 0x3 Basic assignment (SDCCH or TCH)

4 0x4 Release (SDCCH or TCH)

5 0x5 FACCH assignment (TCH)

6 0x6 SMS- establishing (TCH)

7 0x7 SMS- establishing (SDCCH)

8 0x8 Ciphering (SDCCH or TCH)

9 0x9 External HO (SDCCH or TCH, source)

10 0xA Internal HO Intra (SDCCH or TCH, source)

11 0xB Internal HO Inter (SDCCH or TCH, source)

12 0xC External HO (SDCCH or TCH, target)

13 0xD Internal HO Intra (SDCCH or TCH, target)

14 0xE Internal HO Inter (SDCCH or TCH, target)

15 0xF Conversation.

Successful causes (cause in or cause out in observations)

Table: Successful causes

Value Release Cause

10 Location update

20 FACCH emergency call

21 FACCH re-establishment

22 FACCH answ er to paging

23 FACCH mo speech call

24 FACCH mo data call

25 FACCH other procedure

26 S6 FACCH calls, for w hich the establishment cause is a mobile terminating data call.

27 S7 Number of IMSI detaches on the TCH channel due to SDCCH congestion.

40 Basic emergency call

41 Basic re-establishment

42 Basic answ er to paging

43

Basic mo speech call

44 Basic mo data call

45 Basic other procedure

46 S6 Basic calls, for w hich the establishment cause is a mobile terminating data call.

46 S6 Basic calls, for w hich the establishment cause is a mobile terminating data call.

47 S7 Number of IMSI detaches on the SDCCH channel.

80 External incoming ho uplink quality

81 External incoming ho uplink strength

82 External incoming ho dow nlink quality

83 External incoming ho dow nlink strength

84 External incoming ho distance

85 External incoming ho O&M intervention

86 External incoming ho response to MSC invocation

87 External incoming ho better cell

88 External incoming ho directed retry

89 External incoming ho unexpected

90 S6 Incoming external handover attempt for changing the A interface circuit pool.

91 S8 Incoming external handover. The handover set-up cause is preemption.

92 S8 Incoming external handover. The handover set-up cause is a BSC traff ic reason handover.

93 S10.5 Incoming external inter-system handover.

100 External outgoing ho dow nlink RX level

101 External outgoing ho uplink RX level

102 External outgoing ho dow nlink RX quality

103 External outgoing ho uplink RX quality

104 External outgoing ho dow nlink interference

105 External outgoing ho uplink interference

106 External outgoing ho distance

107 External outgoing ho pow er budget

108 External outgoing ho umbrella

109 External outgoing ho forced

110 External outgoing ho directed retry

111 External outgoing ho traff ic reason

112 External outgoing ho intelligent directed retry

113 External outgoing ho pre-emption

114 S6 Outgoing external handover. The handover set-up cause is a rapid f ield drop.

115 S6 Outgoing external handover. The handover set-up cause is a low distance (extended cell radius feature).

116 S6 Outgoing external handover attempt for changing the A interface circuit pool.

117 S6 Outgoing external handover. The handover set-up cause is a Slow Moving MS in the Macro Cell. The slow

moving detection is based on the received measurement of adjacent micro cells and on the umbrella like

handover criteria.

118 S6 Outgoing external handover. The handover set-up cause is the low speed of the MS. The slow moving

detection is based on the MS speed indications sent by the BTS.

119 S6 Outgoing external handover. The handover set-up cause is the high speed of the MS. The fast moving


120 Internal inter ho dow nlink RX level

121 Internal inter ho uplink RX level

122 Internal inter ho dow nlink RX quality

123 Internal inter ho uplink RX quality

124 Internal inter ho dow nlink interference

125 Internal inter ho uplink interference

126 Internal inter ho distance

127 Internal inter ho pow er budget

128 Internal inter ho umbrella

129 Internal inter ho forced

130 Internal inter ho directed retry

131 Internal inter ho traffic reason

132

Internal inter ho intelligent directed retry

132

Internal inter ho intelligent directed retry

133 Internal inter ho pre-emption

134 S6 Internal inter handover. The handover set-up cause is a rapid f ield drop.

135 S6 Internal inter handover. The handover set-up cause is a low distance (extended cell radius feature).

136 S6 Internal inter handover. The handover set-up cause is an OK C/I ratio (Underlay-overlay handover).

137 S6 Internal inter handover. The handover set-up cause is a bad C/I ratio (Underlay-overlay handover).

138 S6 Internal inter handover. The handover set-up cause is a Slow Moving MS in the Macro Cell. The slow moving

detection is based on the received measurement of adjacent micro cells and on the umbrella like handover

criteria.

139 S6 Internal inter handover. The handover set-up cause is the low speed of the MS. The slow moving detection

is based on the MS speed indications sent by the BTS.

140 Intra ho dow nlink interference

141 Intra ho uplink interference

142 Intra ho forced

143 S6 Internal intra handover. The handover set-up cause is the dow nlink RX quality.

144 S6 Internal intra handover. The handover set-up cause is an OK C/I ratio (Underlay-overlay handover).

145 S6 Internal intra handover. The handover set-up cause is a bad C/I ratio (Underlay-overlay handover).

146 S6 Internal intra cell handover. The handover set-up cause is pre-emption handover.

147 S6 Intra cell handover from a normal area to an extended area. Intra cell handover from a normal area to an

extended area is performed w hen the timing advance (TA) of the MS is equal to or more than the parameter

maxMSDistanceHOThreshold defines.

148 S6 Intra cell handover from an extended area to a normal area. Intra cell handover from an extended area to a

normal area is performed w hen the timing advance (TA) of the MS is equal to or less than the parameter

minMSDistanceHOThreshold defines.

149 S6 Assignment attempt from a SDCCH to a super-reuse frequency.

150 S7 The counter indicates the number of successful internal intra-cell handovers from a dedicated control

channel to a super-reuse TRX. Handover set-up cause is the direct access procedure.

156 S6 An internal inter handover. The handover set-up cause is the high speed of the MS. The fast moving


157 S7 Handover cause for Enhanced Field Drop handover.

158 S7 The counter indicates the number of successful internal inter-cell handovers from a dedicated control

channel to a super-reuse TRX. Handover set-up cause is the direct access procedure.

159 S8 Internal inter handover w hose set-up cause is a BSC traffic reason handover.

160 S8 Internal inter handover w hose set-up cause is the Direct Access to Desired Layer/Band feature.

163 S7 Handover cause for Enhanced Field Drop handover.

164 S8 Outgoing external handover w hose set-up cause is a BSC traffic reason handover.

166 S10 TCH-TCH handover from an UltraSite BTS to a Talk Family BTS due to load reasons w ithin a segment.

167 S10 SDCCH-SDCCH handover started based on SDCCH reservation duration from an UltraSite BTS to a Talk

Family BTS w ithin a segment.

168 S10 Intra cell handover made to enable an HSCSD upgrade.

169 S10.5 TCH-TCH handover from non-BCCH frequency layer betw een BTSs on dif ferent frequency bands of a

segment due to w eak dow nlink signal level.

Unsuccessful causes: (cause out in observations)

Table: Unsuccessful causes

Value Release Cause

300 Channel blocking caused by the user.

301 Channel blocking caused by the netw ork

302 Channel blocking caused by BTS failure.

303 Channel blocking caused by LAPD failure.

304 Channel blocking caused by Abis failure.

305 The packing of the Abis interface message fails.

306 The Abis interface receives an ASSIGNMENT_FAILURE message from the MS during a Basic Call.

307 Channel blocking caused by some other reason than the ones given above.

308 The Abis interface receives a CHANNEL_ACTIVATION_NACK message or its contents have been

corrupted.

309 The Abis interface receives a CHANNEL_ACTIVATION_NACK message, and the cause is "O&M

intervention".

310 The Abis interface receives a CHANNEL_ACTIVATION_NACK message, and the cause is "equipment

failure".

311 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and the cause is an "encryption

algorithm not supported".

312 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and the cause is "radio channel

already allocated".

313 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and the cause is that the "service

is not available".

314 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and its contents have been

corrupted or a timer expires w hile w aiting for the message.

315 The Abis interface receives a CONNECTION_FAILURE message.

316 The Abis interface receives a CONNECTION_FAILURE message and its cause is "radio interface failure".

317 The Abis interface receives a CONNECTION_FAILURE message and its cause is "radio link failure".

318 The Abis interface receives a CONNECTION_FAILURE message and its cause is "remote transcoder

failure".

319 The Abis interface receives a DATA_INDICATION message w hose contents have been corrupted.

320 The Abis interface receives an ERROR_INDICATION message.

321 The Abis interface receives an ESTABLISH_INDICATION message w hose contents have been


322 The Abis interface receives an ESTABLISH_CONFIRM message. The contents of the message have been


323 The handover has failed and the MS returns to the source channel. The MS has sent an assignment failure

or a handover failure message to the netw ork during the handover.

324 The Abis interface receives an HO_DETECT message. The contents of the message have been corrupted

or a timer expires w hile w aiting for the message.

325 The Abis interface receives a MODE_MODIFY_NACK message.

326 The Abis interface receives a MODE_MODIFY_ACK message w hose contents have been corrupted or a

timer expires w hile w aiting for the message.

327 No measurement result messages from the BTS.

328 Timer expires because the co-process does not respond. A BSC internal failure.

329 The Abis interface receives a PHYSICAL_CONTEXT_CONFIRM message. The contents have been


330 The Abis interface receives an RCS_ALGORITHM_START_ACK message w hose contents have been

corrupted or a timer expires w hile w aiting for the message. BSC internal signalling.

331 The Abis interface receives an RCS_ALGORITHM_CLEAR_ACK message w hose contents have been

corrupted or a timer expires w hile w aiting for the message. BSC internal signalling.

332 The Abis interface receives an RCO_DISCONNECT_IND message from RC0.

333 The Abis interface receives an RF_CH_REL_ACK message w hose contents have been corrupted or a

timer expires w hile w aiting for the message.

334 The Abis interface receives a RELEASE_INDICATION message.

335 The Abis interface receives a RELEASE_INDICATION message. The contents of the message have been


336 DTAP signalling fails.

337 An attempt to activate a blocked channel in the Abis interface.

338 An attempt to activate a channel w ith the w rong information in the Abis interface.

339 Forced TCH release.

340 Rejected phantom reservations caused by the w rong establishment cause in the channel required message

from the MS or a too long distance betw een the MS and the BTS.

341 Overload message from the BTS.

342 The BCSU sw itchover has been started.

343 During the SMS establishment the Abis interface receives a RELEASE_INDICATION message or the

ESTABLISH_INDICATION message received has been corrupted.

344 The Abis interface receives an MS_PAGING message and the channel has been blocked.

345 The Abis interface receives a CHANNEL_REQUIRED message w hose contents have been corrupted.

346 The Abis interface receives a MODE_MODIFY_NACK message w ith the cause "equipment failure".

347 The Abis interface receives a MODE_MODIFY_NACK message w ith the cause "requested transcoding/rate

adaption not available".

348 The Abis interface receives an RRM_CH_SERV_REQ_NACK message.

349 The Abis interface receives a CH_MODE_MODIFY_ACK message and the mode has not been the same as

the mode requested.

350 S6 Timer expires w hile w aiting for the ASSIGNMENT_COMPLETE message.

351 S6 Directed retry procedure fails.

352 S6 A failure has occurred in co-process.

353 S6 An ERROR_REPORT message is received from BTS and the cause is "encryption algorithm not

implemented".

354 S6 An ERROR_REPORT message received from the BTS.

355 S6 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and the failure cause is either the

"not implemented unspecified" or "mandatory IE error".

356 S6 The Abis interface receives a CHANNEL_ACTIVATION_NACK message and the failure cause is the

"general IE error".

357 S6 The Abis interface receives an assignment_failure message or handover_failure message from the MS

during an assignment or handover and the RR cause is channel mode unacceptable.

358 S6 When random access buffering is used in an extended range cell, if tw o incoming random accesses have

the same frame number, the latter one is ignored.

359 S7 Reconfiguration of a dynamic SDCCH resource has been failed at the time of the immediate assignment. All

of the SDCCH resources under the control of the BCSU are already in use.

360 S7 If an assignment procedure is started before the MS is assigned to move to a new channel, the handover

attempt is terminated w ith DX cause ho_interrupted_c.

361 S7 Number of channel releases caused by a dow ngrade.

362 S7 Number of HO starts rejected due to other ongoing procedures.

363 S7 Number of upgrades, dow ngrades and ALAs rejected due to other ongoing procedures.

364 S7 Number of failed configuration changes due to mode modify NACK or no answ er from the BTS.

365 S7 Number of failed configuration changes due to configuration change reject or no answ er from the MS.

366 S7 Number of channel releases caused by a failure in another channel in the HSCSD configuration.

367 S7 Number of timer expires due to sub-channel not responding to the main channel in the HSCSD connection.

368 S7 Number of TCH pre-emption releases.

369 S7 Number of upgrade procedure failures.

Causes set by the Radio Connection Supervision Program Block (RCSPRB).

370 S10 Number of the ESTABLISH_INDICATION messages w hich the Abis interface receives because of the

corrupted contents of the message.

400 The call is released after the distance betw een the MS and the BTS has reached the maximum value

allow ed, i.e. the MS has exceeded the planned cell boundaries.

401 S6 The Radio Resource Management Program Block (RRMPRB) w ill set this cause in the TCH resource request

negative acknow ledgement message in order to indicate the A interface circuit pool change request.

402 S6 The requested speech version is not supported by the target BTS.

403 S7 Resource that is not supported by BTS has been requested.

404 S7 Resource that is not supported by MS has been requested.

Causes set by the A interface Signalling Program Block in BSC (AIVPRB).

405 S8 The traff ic channel allocation in the external handover has failed. The “Handover Request “message

received by the BSS indicates a target cell w hich is not controlled by the BSS.

500 External handover w as not allow ed during a FACCH call set-up, external DR handover w as disabled, or all

candidate cells for an external handover w ere n-areas of the extended cells.

501 No radio resources in the BTS for channel reservation during handover signalling.

503 Signalling w ith the internal processes has failed during handover signalling.

504 Target channel reservation has failed during handover signalling. No answ er to the radio resource request.

505 Target channel reservation has failed. Channel activation acknow ledgement has not been received, a timer

for that has expired.

506 No clear command has been received from the A interface during external source handover signalling.

506 No clear command has been received from the A interface during external source handover signalling.

507 The timer t3107, t3103 or t9113 has expired. The assignment complete or handover complete message has

not been received. The MS has not established a channel to the target side.

508 Problems in sending the handover performed message by the BSC.

509 Sw itchover has been started and the handover has failed.

510 Failure in the target channel.

511 Failure in the source channel.

512 The master has failed to create a hand.

513 S6 The handover attempt w as interrupted w hen the BSC noticed that the target cell information (BCCH

frequency and/or BSIC) received in the handover command message from the MSC is not correct. This

counter indicates that information in the source BSS Radio Netw ork Configuration Database concerning

adjacent cells is w rong.

600 Activation of a hand process fails in the AIVPRB master.

601 SCCP connection establishment is not possible because the subsystem is in the prohibited status. The

situation is detected by the AIVPRB master.

602 SCCP connection establishment fails. A CREF message is received from the MSC.

603 No response from the MSC to the SCCP connection establishment.

604 Abnormal release of the SCCP connection (RLSD received).

606 State change of an SCCP subsystem or a RESET message from the MSC.

608 No DTAP message from the MSC after a successful SCCP connection establishment.

609 Starting the handover is not allow ed because an assignment procedure is in progress.

610 Starting the handover is not allow ed because the ciphering procedure is in progress.

611 Starting the handover is not allow ed because the call clearing procedure is in progress.

612 Starting the external SDCCH handover is not allow ed because the SCCP connection establishment is not

complete.

613 Expiry of the GSM timer T7.

614 Expiry of the GSM timer T10.

615 Timeout in the AIVPRB w hile allocating an A interface speech circuit.

616 Timeout in the AIVPRB w hile connecting an A interface speech circuit.

617 Timeout in the AIVPRB w hile disconnecting an A interface speech circuit.

618 Timeout in the AIVPRB w hile releasing an A interface speech circuit.

619 Timeout in the AIVPRB in BSC internal communication.

620 The BSC internal supervision timer, w hich supervises the communication betw een the Abis and the A

interface, has expired.

621 An erroneous message, w hich leads to the clearing of the call, has been received from the MSC.

622 S6 Message received concerning an unknow n A interface circuit.

623 S6 Handover is denied w hen the AIVPRB receives the handover inquiry message from the Handover Attempt

Supervisor Program Block (HASPRB) w ith the cause "sw itch circuit pool" and there is no proper A interface

circuit f itting in w ith the pool list of the inquiry message.

624 S6 The radio interface data rate requirement is totally contradictory to the TCH channel rate request of the

channel type IE included in the normal Assignment Request or Handover Request. In the Assignment

Request related to the In Call Modif ication or the FACCH call set-up, the TCH channel rate request or the data

rate request are totally contradictory to the type of TCH w here the call is maintained.

625 S6 The TCH type requested by the MSC is not supported.

626 S6 The speech coder version requested by the MSC is not supported.

627 S9 A paging message is received from the MSC w hen the BCSU unit load is too high. The load is observed by

the number of unhandled messages in the unit.

628 S10 Timeout in the connection refreshing procedure.

629 S10 The connection refreshing procedure has failed.

700 The RC0PRB master fails to activate a hand process.

701 Assignment of a speech circuit w hich has already been allocated.

702 Connection error in marker w hile connecting an A interface speech circuit.

703 Timeout in the RC0PRB w hile connecting an A interface speech circuit.

704 Requested speech circuit not found in the circuit control table.

705 Circuit release error in marker w hile releasing an A interface speech circuit.706 S6 The requested channel rate corresponding to the A interface circuit pool has not been defined on the A

706 S6 The requested channel rate corresponding to the A interface circuit pool has not been defined on the A

interface.

707 S6 The circuit type A is totally contradictory to the TCH channel rate requirement, or the data rate requirement

implies a circuit pool change.

708 S6 The radio interface data rate requirement is totally contradictory to the A interface pool configuration.

709 S6 BSC has received either an Assignment Request or a Handover Request message containing speech codec

versions none of w hich are supported by the BSC.

710 S10 There is no free place for the call in the hunting queue.

711 S10 There is no free circuit for the call.

712 S10 The content of the hunting request message is invalid.

713 S10 The hunted circuit is from the w rong circuit pool.

714 S10 The hunting queue is full. An emergency call has taken priority over the ordinary call.

715 S10 An interface circuit reservation fails because no pool is available on the hunting list.

800 A request to connect, disconnect or release a speech circuit is received from a process w hich is not

recorded as a user of the circuit in the internal control tables of SC7PRB.

801 Timeout in the SC7PRB w hile allocating an A interface speech circuit.

802 Timeout in the SC7PRB w hile connecting an A interface speech circuit.

803 Timeout in the SC7PRB w hile disconnecting an A interface speech circuit.

804 Timeout in the SC7PRB w hile releasing an A interface speech circuit.

805 Assignment of a circuit that is blocked.

806 Assignment of a circuit w hose status is unknow n.

807 Access to the Line Signalling File (LSIGNL) failed.

808 Access to the System-controlled Circuit State File (SCCTST) failed.

809 The circuit concerned is not defined in the LSIGNL f ile.

810 The SC7PRB has detected a situation w hich has been caused by hardw are problems.

811 The reset circuit message has been received from the MSC.

813 An error caused by the "SCCP prohibited" status. The situation has been detected by the SC7PRB.

815 A fault has been detected in the 2 Mbit PCM connection.

817 A speech circuit has been removed from use.

819 State change of the ET has occurred.

900 Cause value 0x00 "radio interface message failure" received from the MSC.

901 Cause value 0x01 "radio interface failure" received from the MSC.

902 Cause value 0x02 "uplink quality" received from the MSC.

903 Cause value 0x03 "uplink strength" received from the MSC.

904 Cause value 0x04 "dow nlink quality" received from the MSC.

905 Cause value 0x05 "dow nlink strength" received from the MSC.

906 Cause value 0x06 "distance" received from the MSC.

907 Cause value 0x07 "O and M intervention" received from the MSC.

908 Cause value 0x08 "response to MSC invocation" received from the MSC.

909 Cause value 0x09 "call control" received from the MSC.

910 Cause value 0x0A "radio interface failure, reversion to old channel" received from the MSC.

911 Cause value 0x0B "handover successful" received from the MSC.

912 Cause value 0x0C "better cell" received from the MSC.

913 Cause value 0x0D "directed retry" received from the MSC.

914 Cause value 0x20 "equipment failure" received from the MSC.

915 Cause value 0x21 "no radio resource available" received from the MSC.

916 Cause value 0x22 "requested terrestrial resource unavailable" received from the MSC.

917 Cause value 0x23 "CCCH overload" received from the MSC.

918 Cause value 0x24 "processor overload" received from the MSC.

919 Cause value 0x25 "BSS not equipped" received from the MSC.

920 Cause value 0x26 "MS not equipped" received from the MSC.

921 Cause value 0x30 "requested transcoding/rate adaption unavailable" received from the MSC.922

Cause value 0x40 "ciphering algorithm not supported" received from the MSC.

922

Cause value 0x40 "ciphering algorithm not supported" received from the MSC.

923 Cause value 0x50 "terrestrial circuit already allocated" received from the MSC.

924 Cause value 0x60 "protocol error betw een BSC and MSC" received from the MSC.

925 Unexpected failure from the MSC.

926 S6 Cause value 0x27 "invalid cell" received from the MSC.

927 S6 Cause value 0x51 "invalid message contents" received from the MSC.

928 S6 Cause value 0x52 "information element or field missing" received from the MSC.

929 S6 Cause value 0x53 "incorrect value" received from the MSC.

930 S6 Cause value 0x54 "unknow n message type" received from the MSC.

931 S6 Cause value 0x55 "unknow n information element" received from the MSC.

932 S6 Cause value 0x30 "requested transcoding/rate adaption unavailable" received from the MSC.

933 S6 Cause value 0x31 "circuit pool mismatch" received from the MSC.

934 S6 Cause value 0x32 "sw itch circuit pool" received from the MSC.

935 S6 Cause value 0x31 "requested speech version unavailable" received from the MSC.

936 S8 Cause value 0x29 “preemption” received from the MSC.

937 S8 Cause value 0x0F “traff ic” received from the MSC.

P_NBSC_CC table

P_NBSC_CC table show s in the NBR_OF_CALLS column, the number of calls per clear code ID.

The f ield names listed below are visible in NetAct’s reporting tools only.

Table: BSC clear codes mapped to the CLEAR_CODE_ID column in the P_NBSC_CC table

ID

NE counter

name

Clearcode

ID Field name Field description Release

500300 0 USER_ACT_BLOCK Channel blocking caused by the user

df

Since S4

500301 1 NETW_ACT_BLOCK Channel blocking caused by the netw ork Since S4

500302 2 BTS_FAIL_BLOCK Channel blocking caused by the BTS

failure

Since S4

500303 3 LAPD_FAIL_BLOCK Channel blocking caused by the LAPD

failure

Since S4

500304 4 ABIS_FAIL_BLOCK Channel blocking caused by the Abis

failure

Since S4

500305 5 ABIS_MSG_CORRUP_TO_BTS The message packing fails on the Abis

interface to the BTS or the MS.

Since S4

500306 6 ASS_FAIL_MSG The Abis receives an

ASSIGNMENT_FAILURE message from

the MS during a Basic Call.

Since S4

500307 7 BLOCK_SLAVE Channel blocking caused by some other

reason than the ones given above.

Since S4

500308 8 CH_ACT_NACK The Abis receives a

CHANNEL_ACTIVATION_NACK

message or its contents has been

corrupted.

Since S4

500309 9 CH_ACT_NACK_OM_INTER The Abis receives a


message and the cause is O&M

intervention.

Since S4

500310 10 CH_ACT_NACK_EQUIP_FAIL The Abis receives a


message and the cause is equipment

failure.

Since S4

500311 11 CH_ACT_NACK_ENCRYP_ALG The Abis receives a


message and the cause is an encryption

algorithm not supported.

Since S4

500312 12 CH_ACT_NACK_CH_RAD_ALR_A The Abis receives a Since S4

500312 12 CH_ACT_NACK_CH_RAD_ALR_A The Abis receives a


message and the cause is that the radio

channel has already been allocated.

Since S4

500313 13 CH_ACT_NACK_SERV_NOT_AVA The Abis receives a


message and the cause is that the

service is not available.

Since S4

500314 14 CH_ACT_FAIL The Abis receives aCHANNEL_ACTIVATION_NACK

message. The contents of the message

has been corrupted or a timer expires

w hile w aiting for the message.

Since S4

500315 15 CONN_FAIL The Abis interface receives a

CONNECTION_FAILURE message.

Since S4

500316 16 CONN_FAIL_RAD_INF_FAIL The Abis interface receives a

CONNECTION_FAILURE message and

its cause is radio interface failure.

Since S4

500317 17 CONN_FAIL_RAD_LINK_FAIL The Abis interface receives a


its cause is radio link failure.

Since S4

500318 18 CONN_FAIL_REM_TRANS_FAIL The Abis interface receives a


its cause is remote transcoder failure.

Since S4

500319 19 DATA_IND_CORRUP The Abis interface receives a

DATA_INDICATION message w hose

contents has been corrupted.

Since S4

500320 20 ERR_IND The Abis interface receives a

ERROR_INDICATION message.

Since S4

500321 21 ESTAB_IND_FAIL The Abis receives an

ESTABLISH_INDICATION message.

The contents of the message has been

corrupted or a timer expires w hile

w aiting for the message.

Since S4

500322 22 ESTAB_CONV_FAIL The Abis receives an

ESTABLISH_CONFIRM message. The

contents of the message has been



Since S4

500323 23 HO_FAIL The handover has been failed and the

MS returns to the source channel. The

MS has sent an assignment failure or a

handover failure message to the netw ork

during the handover.

Since S4

500324 24 HO_DETECT_FAIL The Abis receives an HO_DETECT




Since S4

500325 25 MODE_MOD_NACK The Abis receives a

MODE_MODIFY_NACK message.

Since S4

500326 26 MODE_MOD_ACK_FAIL The Abis receives a

MODE_MODIFY_ACK message. The




Since S4

500327 27 NO_MEAS_RESULT No measurement result message from

the BTS.

Since S4

500328 28 NO_RESP_FROM_COPRO Timer expires because co-process does

not respond. A BSC-internal failure.

Since S4

500329 29 PHY_CONT_CONF_FAIL The Abis receives a

PHYSICAL_CONTEXT_CONFIRM




Since S4

500330 30 RCS_ALG_START_ACK_FAIL The Abis receives a Since S4

500330 30 RCS_ALG_START_ACK_FAIL The Abis receives a

RCS_ALGORITHM_START_ACK




Since S4

500331 31 RCS_ALG_CL_ACK_FAIL The Abis receives a

RCS_ALGORITHM_CLEAR_ACK



w hile w aiting for the message. BSC-

internal signalling

Since S4

500332 32 RCO_DISCO_IND The Abis receives a

RCO_DISCONNECT_IND message from

RC0.

Since S4

500333 33 RF_CH_REL_ACK_FAIL The Abis receives an RF_CH_REL_ACK




Since S4

500334 34 REL_IND The Abis receives a

RELEASE_INDICATION message

from.

Since S4

500335 35 REL_IND_FAIL The Abis receives a

RELEASE_INDICATION message. The




Since S4

500336 36 SIGNALLING_ERROR DTAP signalling fails. Since S4

500337 37 STATE_CONFLICT An attempt to activate a blocked channel

in the Abis interface.

Since S4

500338 38 TYPE_CONFLICT An attempt to activate a channel w ith

w rong information in the Abis interface.

Since S4

500339 39 FORCED_REL Forced TCH release. Since S4

500340 40 REJ_PHANTOM_RES Rejected phantom reservations. The

w rong establishment cause w ithin the

channel required message from the MS.

Since S4

500341 41 OVERLOAD Overload message from the BTS. Since S4

500342 42 ABI_SWITCHOVER Number of unsuccessful calls set-ups

during the BCSU sw itchover.

IMPACT: Call set-up failures

Since S4

500343 43 SAPI_3_FAIL During the SMS establishment the Abis

interface receives a

RELEASE_INDICATION message or

the ESTABLISH_INDICATION

message received has been corrupted.

Since S4

500344 44 PAGING_MSG_FAIL The Abis interface receives an

MS_PAGING message and the channel

has been blocked.

Since S4

500345 45 CH_REQUIRED_FAIL The Abis receives a

CHANNEL_REQUIRED message. The


corrupted.

Since S4

500346 46 MODE_MOD_NACK_EQUIP_FAIL The Abis receives a

MODE_MODIFY_NACK message w ith

the cause equipment failure.

Since S4

500347 47 MODE_MOD_NACK_TRC_RAT_UN The Abis receives a

MODE_MODIFY_NACK message w ith

the cause requested transcoding/rate

adaption not available.

Since S4

500348 48 RRM_SERV_REQ_NACK The Abis receives an

RRM_CH_SERV_REQ_NACK message.

Since S4

500349 49 CH_MODE_MOD_FAIL The Abis receives a

CH_MODE_MODIFY_ACK message and

the mode has not been the same as

requested.

Since S4

500350 50 ASS_FAIL Timer expires w hile w aiting Since S4

500350 50 ASS_FAIL Timer expires w hile w aiting

ASSIGNMENT_COMPLETE message.

Since S4

500351 51 DR_FAIL Directed retry procedure fails. Since S4

500352 52 COPROCESS_FAIL A failure has occurred in the co process. Since S4

500353 53 ERR_REP_ENC_ALG_NOT_IMP ERROR_REPORT message received from

BTS and the cause is encryption

algorithm not implemented.

Since S4

500354 54 ERROR_REPORT The ERROR_REPORT message received

from BTS.

Since S4

500355 55 CH_ACT_NACK_CH_MODE_ERR UPDATED: When the Abis interface

receives a


message w here the failure cause is

either the Not implemented Unspecif ied or

the Mandatory IE Error.

IMPACT: Call Clear

Since S5

500356 56 CH_ACT_NACK_GEN_IE_ERR UPDATED: When the Abis interface

receives a


message w here the failure cause is

General IE Error.

IMPACT: Call Clear

Since S5

500357 57 SPEECH_VERSION_UNAVAIL UPDATED: When the Abis interface

receives Assignment or Handover

Failure from MS w here RR-cause is

Channel mode Unacceptable.

IMPACT: Call Clear/HO-failure

Since S5

500358 58 IGNORED_DOUBLE_RAND_ACC Number of ignored double rand acc. Since S6

500359 59 RTSL_RECONF Number of failed reconfigurations of a

dynamic SDCCH.

UPDATED: When the reconfiguration of a

dynamic SDCCH resource is failed at the

time of an immediate assignment

because all of the SDCCH resources

under the control of the BCSU are

already in use.

IMPACT: Call cleared

Since S7

500400 60 TIMING_ADVANCE The MS has exceeded the planned cell

boundaries.

Since S4

500401 61 RRM_SWITCH_CRC_POOL UPDATED: RRMPRB w ill set this cause in

the TCH resource request negative

acknow ledgement message in order to

indicate the A-interface circuit pool

change request.

Since S5

500402 62 RRM_SPEECH_VER_UNAVAIL Number of requests for channel type

rejected because the speech coder

versions requested are not supported.

Since S6

500403 63 RRM_BTS_NOT_SUPPORTING Number of requests for the resources

that are not supported by the BTS. This

counter is mapped to BSSMAP cause

Requested transcoding/rate adaption

unavailable (0x30).

UPDATED: When the BTS does not

support the requested resource.

Since S7

500404 64 RRM_MS_NOT_SUPPORTING Number of requests for the resources

that are not supported by the MS. This

counter is mapped to BSSMAP cause MS

not equipped (0x26).

UPDATED: When the MS does not

support the requested resource.

Since S7

500500 65 HO_NOT_ALLOWED External HO not allow ed during a FACCH Since S4

500500 65 HO_NOT_ALLOWED External HO not allow ed during a FACCH

call set-up, or disabling in external DR

HO.

Since S4

500501 66 NO_RADIO_RES_AVAIL No radio resources in the BTS for

channel reservation during HO signalling.

Since S4

500502 67 SPARE500502 Spare Since S4

500503 68 NO_RESP_FROM_COPROCESS Signalling w ith the internal processes

has failed during HO signalling.

Since S4

500504 69 NO_RESP_TO_RADIO_RES_REQ Target channel reservation has failed

during HO signalling.

Since S4

500505 70 HAS_STATE_CONFLIGT_C Target channel reservation has failed.

Channel activation acknow ledgement

has not been received, a timer has

expired.

Since S4

500506 71 CLEAR_CMD_NOT_RECEIVED No clear command has been received

from the A-interface during external

source HO signalling

Since S4

500507 72 MS_IS_LOST The timer t3107, t3103 or t9113 has

expired. The assignment complete or HO

complete message has not been

received. The MS has not established a

channel to the target cell.

Since S4

500508 73 NO_RESP_TO_HO_CPL_MSG Problems in sending the HO performed

message by the BSC.

Since S4

500509 74 HAS_SWITCHOVER Sw itchover has been started and the HO

has failed.

Since S4

500510 75 TARGET_FAIL Failure in the target channel. Since S4

500511 76 SOURCE_FAIL Failure in the source channel. Since S4

500512 77 HAS_CALL_CONTROL The master has failed to create a hand. Since S4

500513 78 ADJ_CELL_ID_ERR UPDATED: When the handover attempt

has been interrupted w hen the BSC

notices that the target cell information

(BCCH frequency and/or BSIC) received

in the HANDOVER COMMAND message

from the MSC is not correct. This counter

indicates that information in the BSS

Radio Netw ork Configuration Database

concerning adjacent cells is w rong.

IMPACT: HO-failed

REASON: Internal

Since S5

500514 79 SPARE500514 Spare

500515 80 SPARE500515 Spare

500516 81 SPARE500516 Spare

500517 82 SPARE500517 Spare

500518 83 SPARE500518 Spare

500519 84 SPARE500519 Spare

500600 85 AIV_HAND_ACT_FAIL Activation of a hand process fails in the

AIVPRB master.

UPDATED: When the AIVPRB master fails

to create a hand process for the call.

IMPACT: Call attempt fails

Since S4

500601 86 AIV_SSP The SCCP connection establishment not

possible because the subsystem is in the

prohibited status.

UPDATED: When the AIVPRB rejects the

call attempt because the MSC is not

reachable.


Since S4

500602 87 SCCP_CONN_FAIL The SCCP connection establishment fails. Since S4

500602 87 SCCP_CONN_FAIL The SCCP connection establishment fails.

A cref message received from the MSC.

UPDATED: When a CREF message is

received from the MSC.


Since S4

500603 88 SCCP_CONN_TIMEOUT No response from the MSC to SCCP

connection establishment.

UPDATED: When the GSM timer T9105

expires.


Since S4

500604 89 SCCP_RELEASE Abnormal release of the SCCP

connection.

UPDATED: Whenever the MSC clears a

call by releasing the SCCP connection

w ithout f irst clearing the upper layers

(BSSMAP).

IMPACT: Call dropped

Since S4

500605 90 SPARE500605 Spare

500606 91 GLOBAL_RESET State change of a SCCP subsystem or a

reset message from the MSC.

UPDATED:

- When the state of a SCCP subsystem

changes so that the MSC becomes

unattainable

- When a reset message is received

from the MSC


Since S4

500607 92 SPARE500607 Spare

500608 93 NO_DTAP_FROM_MSC No DTAP message from the MSC after

successful SCCP establishment.

UPDATED: When the SCCP connection is

established w ithout user data in CR and

CC messages and a timer that

supervises reception of further

messages from the MSC expires.


Since S4

500609 94 HO_DENIED_ASSIGN Starting the HO is not allow ed because

an assignment procedure is in progress.

UPDATED: When the HO attempt is

interrupted.

IMPACT: HO attempt interrupted

Since S4

500610 95 HO_DENIED_CIPHERING Starting the HO is not allow ed because

the ciphering procedure is in progress.


interrupted.


Since S4

500611 96 HO_DENIED_CLEAR Starting the HO is not allow ed because

the call clearing procedure is in

progress.


interrupted.


Since S4

500612 97 HO_DENIED_NO_SCCP_CONN Starting the external SDCCH HO is not

allow ed because the SCCP connection

Since S4

establishment is not complete.


interrupted.


500613 98 T7_EXPIRY Expiry of the GSM timer T7.


interrupted.


Since S4

500614 99 T10 _EXPIRY Expiry of the GSM timer T10.

UPDATED: When the call is cleared.

IMPACT: The assignment procedure fails

on A interface. The call / call attempt is

likely to be cleared by the MSC.

Since S4

500615 100 AIV_CRCT_RE_TIMEOUT Timeout in the AIVPRB w hile allocating an

A-interface speech circuit.

UPDATED: When the call is cleared or the

HO attempt fails.

IMPACT: Call / HO attempt fails.

Since S4

500616 101 AIV_CRCT_CONN_TIMEOUT Timeout in the AIVPRB w hile connecting

an A-interface speech circuit.

UPDATED: When the call is cleared or the

HO attempt fails.

IMPACT: Call / HO attempt fails

Since S4

500617 102 AIV_CRCT_DISCONN_TIMEOUT Timeout in the AIVPRB w hile

disconnecting an A-interface speech

circuit.

Since S4

500618 103 AIV_CRCT_REL_TIMEOUT Timeout in the AIVPRB w hile releasing an

A-interface speech circuit.

Since S4

500619 104 AIV_TIMEOUT Timeout in the AIVPRB in BSC-internal

communication.

Since S4

500620 105 ACT_CTRL_TIMEOUT The BSC-internal supervision timer,

w hich supervises the communication

betw een the Abis and the A-interface,

has expired.

UPDATED: When the call is cleared.


Since S4

500621 106 INVALID_BSSMAP_MSG An erroneous message, w hich leads to

the clearing of the call, has been



Since S4

500622 107 UNKNOWN_A_PCM Message received concerning unknow n

A-interface PCM multiplex.

Since S4

500623 108 HO_DENIED_NO_PROPER_CRC Number of HO enquiries rejected due to

no circuit available.

UPDATED: When the AIVPRB receives a

request for an HO from the HASPRB w ith

cause sw itch_ circuit_pool and no A

interface circuit matches those in the

pool list of the enquiry.


Since S4

500624 109 CH_TYPE_MISMATCH The radio interface data rate requirement

is totally contradictory w ith the TCH

channel rate request of the channel type

IE included in the normal

ASSIGNMENT_REQUEST or the

HANDOVER_REQUEST message. In the

Since S5

ASSIGNMENT_REQUEST message

related to the

IN_CALL_MODIFICATION message

or the FACCH call set-up the TCH

channel rate request, or the data rate

request is totally contradictory w ith the

type of the TCH on w hich the call is

maintained.

UPDATED: When the above mentioned

conditions are fulf illed during the

assignment or the HO resource allocation

procedures.

IMPACT: The assignment procedure fails

on A interface or in case of HO the HO

attempt fails.

500625 110 AIV_TRANSC_OR_RATE_UNAVA Number of assignment or HO requests

failed because the TCH type requested is

not supported by the A interface pools.

Since S5

500626 111 AIV_SPEECH_VERSION_UNAVA Number of assignment or HO requests



Since S5

500627 112 AIV_PAGING_REFUSED_BIG_LOAD Updated w hen a paging message is

received from the MSC and there is too

big load in the same BCSU unit. Big load

is observed by the amount of unhandled

messages in the unit.

UPDATED: When bsc_dx_cause 627 is

set because of too many unhandled

messages in the BCSU unit.

Since S9

500628 113 AIV_CONN_REFRESH_TIMEOUT The A interface connection is refreshed

from time to time during a call. This

counter indicates that the timer for the

connection refresh procedure has

expired.

Since

S10

500629 114 AIV_CONN_REFRESH_FAILED The A interface connection is refreshed

from time to time. This counter indicates

that the connection refresh procedure

has failed.

Since

S10

500700 115 RCO_HAND_ACT_FAIL RC0PRB master fails to activate a hand

process.

Since S4

500701 116 A_CRCT_ALR_RES Assignment of a speech circuit w hich

has already been allocated.

Since S4

500702 117 A_CRCT_CONN_ERR Connection error in marker w hile

connecting an A-interface speech

circuit.

Since S4

500703 118 RCO_CRCT_CONN_TIMEOUT Timeout in the RC0PRB w hile connecting


Since S4

500704 119 ACCESS_OUT_OF_CRCT_TBL Requested speech circuit not found in

the circuit control table

Since S4

500705 120 A_CRCT_REL_ERR Circuit release error in marker w hile

releasing an A-interface speech circuit.

Since S4

500706 121 RCO_TRANSC_OR_RATE_UNAVA UPDATED: When the requested channel

rate corresponding A-interface circuit

pool has not been defined on the A-

interface.

Since S5

500707 122 RCO_CIP_TYPE_MISMATCH UPDATED: When the A-circuit type is

totally contradictory w ith the TCH

channel rate requirement or the data rate

requirement implies the circuit pool

change.

Since S5

500708 123 RCO_INV_MSG_CONTENTS UPDATED: When the radio interface data

rate requirement is totally contradictory

w ith the A-interface pool configuration

Since S5

500709 124 RCO_REQ_SPEECH_VER_UNAVA Number of requests for channel type Since S6

500709 124 RCO_REQ_SPEECH_VER_UNAVA Number of requests for channel type



Since S6

500710 125 RC0_HUNTING_QUEUE_FULL Number of times w hen there is no free

place for the call in the hunting queue.

Since

S10

500711 126 RC0_CRCT_CONGESTION Number of times w hen there is no free

circuit for the call.

Since

S10

500712 127 RC0_A_SEARCH_ERROR Number of times w hen the content of the

hunting request message is invalid.

Since

S10

500713 128 RC0_CRCT_POOL_MISMATCH Number of times w hen the hunted circuit

is from the w rong circuit pool.

Since

S10

500714 129 RC0_REJ_DUE_EME_CALL Number of times w hen the hunting queue

is full and an emergency call has taken

priority over an ordinary call.

Since

S10

500800 130 A_TSL_USER_MISMATCH A request to connect, disconnect or

release a speech circuit is received from

a process, w hich is not recorded as a

user of the circuit in SC7PRB’s internal

control tables.

Since S4

500801 131 SC7_CRCT_RES_TIMEOUT Timeout in the SC7PRB w hile allocating


Since S4

500802 132 SC7_CRCT_CONN_TIMEOUT Timeout in the SC7PRB w hile connecting


Since S4

500803 133 SC7_CRCT_DISCONN_TIMEOUT Timeout in the SC7PRB w hile

disconnecting an A-interface speech

circuit.

Since S4

500804 134 SC7_CRCT_REL_TIMEOUT Timeout in the SC7PRB w hile releasing


Since S4

500805 135 A_TSL_BLOCKED Assignment of a circuit that is blocked. Since S4

500806 136 A_TSL_STATUS_UNKNOWN Assignment of a circuit w hich status is

unknow n.

Since S4

500807 137 LSI_ACCESS_FAIL Access to the f ile LSINGL failed Since S4

500808 138 SCC_ACCESS_FAIL Access to the f ile SCCTST failed. Since S4

500809 139 UNDEF_TSL_IN_LSI The circuit concerned is not defined in

the LSIGNL f ile.

Since S4

500810 140 CRCT_EQUIPMENT_FAIL The SC7PRB has detected a situation

w hich has been caused by hardw are

problems.

Since S4

500811 141 RESET_CRCT The RESET_CIRCUIT message has

been received from the MSC.

Since S4

500812 142 SPARE500812 Spare

500813 143 SC7_SSP An error caused by the SCCP prohibited

-status. The status has been detected by

the SC7PRB.

Since S4

500814 144 SPARE500814 Spare

500815 145 A_PCM_FAULT A fault detected in the 2-Mbit PCM

connection.

Since S4

500816 146 SPARE500816 Spare

500817 147 A_CRCT_REMOVED A speech circuit has been removed from

use.

Since S4

500818 148 SPARE500818 Spare

500819 149 A_ET_STATE_CHANGE State change of the ET has occurred. Since S4

500820 150 SPARE500820 Spare

500821 151 SPARE500821 Spare

500822 152 SPARE500822 Spare

500823 153 SPARE500823 Spare

500824 154 SPARE500824 Spare

500825 155 SPARE500825 Spare

500826 156 SPARE500826 Spare

500827 157 SPARE500827 Spare

500828 158 SPARE500828 Spare

500829 159 SPARE500829 Spare

500900 160 M_RADIO_IF_MESS_FAIL Cause value 0x00, radio interface

message failure, received from MSC.

Since S4

500901 161 M_RADIO_IF_FAIL Cause value 0x01, radio interface failure,

received from MSC.

Since S4

500902 162 M_UPLINK_QUALITY Cause value 0x02, uplink quality,

received from MSC.

Since S4

500903 163 M_UPLINK_STRENGTH Cause value 0x03, uplink strength,

received from MSC.

Since S4

500904 164 M_DOWNLINK_QUALITY Cause value 0x04, dow nlink quality,

received from MSC.

Since S4

500905 165 M_DOWNLINK_STRENGTH Cause value 0x05, dow nlink strength,

received from MSC.

Since S4

500906 166 M_DISTANCE Cause value 0x06, distance, received

from MSC.

Since S4

500907 167 M_O_AND_M_INTER Cause value 0x07, O&M intervention,

received from MSC.

Since S4

500908 168 M_RESP_TO_MSC_INVOC Cause value 0x08, response to MSC

invocation, received from MSC.

Since S4

500909 169 M_CALL_CONTROL Cause value 0x09, call control, received

from MSC.

Since S4

500910 170 M_R_IF_F_REV_TO_OLD Cause value 0x0A, radio interface

failure, reversion to old channel,

received from MSC.

Since S4

500911 171 M_HANDOVER_SUCC Cause value 0x0B, HO successful,

received from MSC.

Since S4

500912 172 M_BETTER_CELL Cause value 0x0C, better cell, received

from MSC.

Since S4

500913 173 M_DIRECTED_RETRY Cause value 0x0D, directed retry,

received from MSC.

Since S4

500914 174 M_EQUIPMENT_FAIL Cause value 0x20, equipment failure,

received from MSC.

Since S4

500915 175 M_NO_RADIO_RES_AVAIL Cause value 0x21, no radio resource

available, received from MSC.

Since S4

500916 176 M_REQ_TERR_RES_UNAVA Cause value 0x22, requested terrestrial

resource unavailable, and received from

MSC.

Since S4

500917 177 M_CCH_OVERLOAD Cause value 0x23, ccch overload,

received from MSC.

Since S4

500918 178 M_PROCESSOR_OVERLOAD Cause value 0x24, processor overload,

received from MSC.

Since S4

500919 179 M_BSS_NOT_EQUIPPED Cause value 0x25, bss not equipped,

received from MSC.

Since S4

500920 180 M_MS_NOT_EQUIPPED Cause value 0x26, ms not equipped,

received from MSC.

Since S4

500921 181 M_TR_COD_RAT_AD_UNAV Cause value 0x30, requested

transcoding/rate adaption unavailable,

and received from MSC.

Since S4

500922 182 M_CIPH_ALG_NOT_SUPP Cause value 0x40, ciphering algorithm

not supported, received from MSC.

Since S4

500923 183 M_TERR_CHAN_ALR_ALLC This includes the follow ing:

cause value 0x50, terrestrial circuit

already allocated,

cause value 0x51, invalid message

contents,

cause value 0x52, information element or

Since S4

f ield missing,

cause value 0x53, incorrect value,

cause value 0x54, unknow n message,

cause value 0x55, unknow n information

element,

received from the MSC500924 184 M_PROT_ERR_B_BSC_MSC Number of messages received from the

MSC w hich report protocol error

betw een the BSC and the MSC.

UPDATED: If the BSC detects the failure

w hich causes the clearing of a call or if

the MSC sends a clear command during

a non-transparent procedure.

Since S4

500925 185 M_UNEXPECTED Unexpected failure from the MSC. Since S4

500926 186 M_INVALID_CELL Cause value 0x27 "invalid cell" received

from MSC

Since S4

500927 187 M_INVALID_MSG_CONT Cause value 0x51 "invalid message

contents" received from MSC.

Since S4

500928 188 M_IE_OR_FIELD_MISSING Cause value 0x52 "information element

or f ield missing" received from MSC.

Since S4

500929 189 INCORRECT_VALUE Cause value 0x53 "incorrect value"

received from MSC.

Since S4

500930 190 UNKNOWN_MSG_TYPE Cause value 0x54 "unknow n message

type" received from MSC.

Since S4

500931 191 UNKNOWN_IE Cause value 0x55 "unknow n information

element" received from MSC.

Since S4

500932 192 M_TRANSC_OR_RATE_UNAVAIL Cause value 0x30 ″requested

transcoding/rate adaptation unavailable″

received from the MSC

Since S5

500933 193 M_CIP_TYPE_MISMATCH Cause value 0x31 ″circuit pool mismatch″

received from the MSC

Since S5

500934 194 M_SWITCH_CRC_POOL Cause value 0x32 ″sw itch circuit pool″


Since S5

500935 195 M_SPEECH_VERSION_UNAVAIL Cause value 0x31 ″requested speech

version unavailable″ received from the

MSC

Since S5

500936 196 M_PRE_EMPTION Number of messages received from the

MSC w hich reports the pre-emption.

UPDATED: When the cause value is

0x29.

Since S8

500937 197 M_TRAFFIC Number of messages received from the

MSC w hich reports the cause traff ic.

UPDATED: When the cause value is

0x0F.

Since S8

500938 M TRAFFIC

LOAD

198 NBR_OF_CALLS Number of messages received from the

MSC w hich report BSSMAP cause traffic

load.

UPDATED: When the BSSMAP cause

value is 0x28.

DOMAIN LEVEL FEATURES: BSS20088,

Dual Transfer Mode

Since

S12

500939 SPARE500939 199 SPARE500939 Spare

500940 200 SPARE500940 Spare

500360 201 HO_INTERRUPTED Number of interrupted HOs.

UPDATED: When an assignment

procedure is started before the MS is

assigned to move to a new channel and

Since S7

HO attempt is terminated w ith cause

ho_interrupted.

IMPACT: HO interrupted500361 202 DOWNGRADE_WITH_HSCSD Number of channel releases caused by

dow ngrade.

UPDATED: When dow ngrade procedure

is completed successfully.

IMPACT: Channel release

Since S7

500362 203 HO_NOT_STARTED Number of HO starts rejected due to

other ongoing procedures.

UPDATED: When the HO start is rejected

due to another ongoing procedure.

IMPACT: HO interrupted

Since S7

500363 204 CONF_CHANGE_NOT_ALLOWED Number of upgrades, dow ngrades,

subsequent assignments and ALAs

rejected due to other ongoing

procedures.

UPDATED: When the upgrade,

dow ngrade or ALA is rejected due to

another ongoing procedure.

IMPACT: Possible call clear

Since S7

500364 205 CONF_CHANGE_BTS_FAIL Number of failed configuration changes

due to BTS sending a MODE MODIFY

NACK message or BTS not answ ering at

all.

UPDATED: When the configuration

change fails because the BTS sends a

MODE_MODIFY_NACK message or the

BTS does not answ er at all.


Since S7

500365 206 CONF_CHANGE_MS_FAIL Number of failed configuration changes

due to MS sending a CONFIGURATION

CHANGE REJECT message or MS not

answ ering at all.

UPDATED: When the configuration

change fails because the MS rejects the

configuration change or the MS does not

answ er at all.


Since S7

500366 207 HSCSD_COPRO_FAIL Number of channel releases caused by a

failure in another channel in an HSCSD

configuration.

UPDATED: When a channel is released

due to failure in another channel in an

HSCSD configuration.


Since S7

500367 208 SUB_TIMER Number of timer expires due to

subchannel not responding to main

channel in an HSCSD connection.

UPDATED: When a timer expires

because the subchannel does not

respond to the main channel in an

HSCSD connection.


Since S7

500368 209 FORCED_HO_BLOCK Number of blocked TCHs after a forced

HO attempt. This counter is mapped to

BSSMAP cause O and M intervention

Since S7

(0x07).


500369 210 UPGRADE_FAIL Number of upgrade procedure failures.

This counter is mapped to BSSMAP

cause Equipment failure (0x20).

UPDATED: When upgrade procedure

fails.

IMPACT: Channel release

Since S7

500370 211 ESTAB_IND_CORRUPTED Number of corrupted

ESTABLISH_INDICATION messages

received by the Abis interface.

Since

S10

500371 212 SPARE500371 Spare Since

S11

500372 213 SPARE500371 Spare Since

S11

500373 BSC BSC

CONFLICT

214 NBR_OF_CALLS Number of unsuccessful channel setups

occurring w hen the BSC-BSC conflict

control is used. This counter is mapped

to the BSSMAP cause call_control

(0x09).

Impact: A TCH channel is released due to

a BSC-BSC conflict situation.

UPDATED: When a TCH channel is

released due to a BSC-BSC conflict

situation.

Since

S12

500374 CN ID NOT

FOUND

215 NBR_OF_CALLS Number of TCH or SDCCH channel

releases that occur because the global

CN ID that w ould match w ith the mobile's

IMSI is not found in the BSC for the CS

PAGING RESPONSE message.

UPDATED: When a TCH or SDCCH

channel is released because the global

CN ID is not found.

DOMAIN LEVEL FEATURES: BSS20092,

Multipoint A-interface

Since

S12

500405 RRM INVALID

CELL

216 RRM INVALID CELL Number of failed traff ic channel

allocations in external handover.

UPDATED: When a target cell is not

controlled by the BSS.

DEPENDENCIES WITH OTHER

COUNTERS: Tw o counters of the

Handover measurement are incremented

along w ith this DX cause: - Number of

unsuccessful handovers due to the lack

of resources (new cell side) (004001). -

Number of unsuccessful handovers due

to the lack of resources (old cell side)

(004055).

IMPACT: HO failed

Since S8

500406 217 SPARE500406 Spare

500407 218 SPARE500407 Spare

500408 219 SPARE500408 Spare

500520 220 SPARE500520 Spare

500521 221 SPARE500521 Spare

500522 222 SPARE500522 Spare

500523 223 SPARE500523 Spare

500524 224 SPARE500524 Spare

500630 225 SPARE500630 Spare

500630 225 SPARE500630 Spare

500631 226 SPARE500631 Spare

500632 227 SPARE500632 Spare

500633 228 SPARE500633 Spare

500634 229 SPARE500634 Spare

500635 230 SPARE500635 Spare

500636 231 SPARE500636 Spare

500637 232 SPARE500637 Spare

500638 233 SPARE500638 Spare

500639 234 SPARE500639 Spare

500941 235 SPARE500941 Spare

500942 236 SPARE500942 Spare

500943 237 SPARE500943 Spare

500944 238 SPARE500944 Spare

500715 239 RC0_ILC_FILE_ERROR Number of times w hen there is no pool

available on the hunting list.

Since

S10

500716 240 SPARE500716 Spare

500717 241 SPARE500717 Spare

500718 242 SPARE500718 Spare

500719 243 SPARE500719 Spare

500720 244 SPARE500720 Spare

P_NBSC_CC_PM table

P_NBSC_CC_PM table show s in the NBR_OF_CALLS column the number of calls per clear code ID.

The f ield names listed below are visible in NetAct’s reporting tools only.

Table: BSC clear codes mapped to the CLEAR_CODE_ID column in the P_NBSC_CC_PM table

ID NE counter name

Clear

code

ID Release Field name Field description

051000 0 SPARE051000 Spare

051001 1 Since S3 EXTERNAL_HO_SOURCE_FAILURES External HO source failures

051002 2 Since S3 EXTARNAL_HO_TARGET_FAILURES External HO target failures

051003 3 Since S3 INTERNAL_INTER_HO_FAILURES Internal inter HO failures

051004 4 Since S3 INTERNAL_INTRA_HO_FAILURES Internal intra HO failures

051005 5 Since S3 CALL_FAILURES Call failures

051006 6 Since S4 SETUP_FAILURES set-up failures

051007 7 Since S4 DROPPED_CALLS Dropped calls

051008 8 Since S4 TCH_FAILS TCH fails

051009 9 SPARE051009 Spare

051010 10 SPARE051010 Spare

051011 11 Since S3 EXTERNAL_HO_SOURCE_SUCC External HO source

successful

051012 12 Since S3 EXTERNAL_HO_TARGET_SUCC External HO target successful

051013 13 Since S3 INTERNAL_INTER_HO_SUCC Internal inter HO successful

051014 14 Since S3 INTERNAL_INTRA_HO_SUCC Internal intra HO successful

051015 15 Since S3 CALL_SUCCESSFUL Call successful

051016 16 Since S4 SETUP_SUCCESSFUL set-up successful

051017 17 Since S4 CONVERSATION_STARTED Conversation started

051018 18 Since S4 TCH_SEIZURES TCH seizures

051019 19 SPARE051019 Spare

051020 20 SPARE051020 Spare

051021 21 SPARE051021 Spare

051021 21 SPARE051021 Spare

051022 22 Since S3 BCSU_RESET_FOR_A_CALOL_OR_HO BCSU reset for a call or HO

051023 23 SPARE051023 Spare

051024 24 SPARE051024 Spare

051025 25 Since S6 ATT_LOCATION_UPDATE Number of location update

attempts.

051026 26 Since S4 LOCATION_UPDATE Location Update

051027 27 Since S7 FACCH_IMSI_DETACH Number of successful FACCH

calls w ith establishment

cause imsi_detach.

051028 28 Since S3 FACCH_EMERGENCY_CALL FACCH emergency call

051029 29 Since S3 FACCH_REESTABLHMENT FACCH re-establishment

051030 30 Since S3 FACCH_ANSWER_TO_PAGING FACCH answ er to paging

051031 31 Since S3 FACCH_MO_SPEECH_CALL FACCH MO speech call

051032 32 Since S3 FACCH_MO_DATA_CALL FACCH MO data call

051033 33 Since S3 FACCH_OTHER_PROCEDURE FACCH other procedure

051034 34 Since S4 FACCH_MT_DATA_CALL FACCH MT data call

051035 35 Since S6 ATT_EMERGENCY_CALL Number of emergency call

attempts.

051036 36 Since S6 ATT_REESTABLISHMENT Number of re-establishment

attempts.

051037 37 Since S6 ATT_ANSWER_TO_PAGING Number of answ ers to paging

attempts.

051038 38 Since S6 ATT_MO_SPEECH_CALL Number of mo speech call

attempts.

051039 39 Since S6 ATT_OTHER_PROCEDURE Number of other procedure

attempts.

051040 40 Since S7 ATT_IMSI_DETACH Number of IMSI detach

attempts.

051041 41 Since S3 BASIC_EMERGENCY_CALL Basic emergency call

051042 42 Since S3 BASIC_REESTABLISHMENT Basic re-establishment

051043 43 Since S3 BASIC_ANSWER_TO_PAGING Basic answ er to paging

051044 44 Since S3 BASIC_MO_SPEECH_CALL Basic MO speech call

051045 45 Since S3 BASIC_MO_DATA_CALL Basic MO data call

051046 46 Since S3 BASIC_OTHER_PROCEDURE Basic other procedure

051047 47 Since S4 BASIC_MT_DATA_CALL Basic MT data call

051048 48 Since S7 BASIC_IMSI_DETACH Number of successful basic

calls w ith establishment

cause BASIC_IMSI_DETACH.

051049 49 SPARE051049 Spare

051050 50 SPARE051050 Spare

051051 51 Since S3 ESTAB_EXT_IN_UL_QUALITY The counter indicates the

amount of successful

incoming external HOs for

w hich establishment cause is

uplink quality.

051052 52 Since S3 ESTAB_EXT_IN_UL_strength The counter indicates the




uplink strength.

051053 53 Since S3 ESTAB_EXT_IN_DL_QUALITY The counter indicates the




dow nlink quality.

051054 54 Since S3 ESTAB_EXT_IN_UL_strength The counter indicates the




dow nlink strength.

051055 55 Since S3 ESTAB_EXT_IN_DISTANCE The counter indicates the




distance.

051056 56 Since S3 ESTAB_EXT_IN_O_AND_M_INTER The counter indicates the




O&M intervention.

051057 57 Since S3 ESTAB_EXT_IN_RESP_TO_MSC_INVOC The counter indicates the




RESP_TO_MSC_INVOC.

051058 58 Since S3 ESTAB_EXT_IN_BETTER_CELL The counter indicates the




better cell.

051059 59 Since S3 ESTAB_EXT_IN_DIRECTED_RETRY The counter indicates the




directed retry.

051060 60 Since S3 ESTAB_EXT_IN_UNEXPECTED The counter indicates the




unexpected.

051061 61 Since S6 ESTAB_EXT_IN_SWITCH_CRC_POOL Number of successful

incoming external HOs w ith

establishment cause

SWITCH_CIRCUIT_POOL.

051062 62 Since S8 ESTAB_EXT_IN_PREEMPTION Number of successful

incoming external handovers

w ith establishment cause pre-

emption.

UPDATED: When call is

released successfully.

051063 63 Since S8 ESTAB_EXT_IN_BSC_TRHO Number of successful


w ith establishment cause

traff ic.

UPDATED: When call is

released successfully.

051064 64 SPARE051064 Spare

051065 65 SPARE051065 Spare

051066 66 Since S3 EXT_IN_UL_QUALITY_HO External incoming HO due

uplink quality

051067 67 Since S3 EXT_IN_UL_strength_HO External incoming HO due

uplink strength

051068 68 Since S3 EXT_IN_DL_QUALITY_HO External incoming HO due

dow nlink quality

051069 69 Since S3 EXT_IN_DL_strength_HO External incoming HO due

dow nlink strength

051070 70 Since S3 EXT_IN_DISTANCE_HO External incoming HO due

distance

051071 71 Since S3 EXT_IN_OAND_M_INTER_HO External incoming HO due

O&M intervention

051072 72 Since S3 EXT_IN_RESP_TO_MSC_INVOC_HO External incoming HO due

051072 72 Since S3 EXT_IN_RESP_TO_MSC_INVOC_HO External incoming HO due

response to MSC indication051073 73 Since S3 EXT_IN_BETTER_CELL_HO External incoming HO due

better cell

051074 74 Since S3 EXT_IN_DIRECTED_RETRY_HO External incoming HO due

directed retry

051075 75 Since S3 EXT_IN_UNEXPECTED External incoming HO due

unexpected cause

051076 76 Since S5 EXT_IN_SWITCH_CRC_POOL UPDATED: An incoming

external handover attempt for

changing the A-interface pool.

Note

The source

BSC is the

same as the

target BSC.

051077 77 Since S8 EXT_IN_PREEMPTION Number of successful


w ith set-up cause pre-

emption.

UPDATED: The counter

indicates the number of

successful incoming MSC

controlled handovers in w hich

set-up cause is pre-emption

051078 78 Since S8 EXT_IN_BSC_TRHO Number of successful


w ith that are set up w ith

BSSMAP cause traffic (DX

cause number 92).

Counters 051012 and 057009

are updated along w ith this

counter.

UPDATED: When a call has

been successfully released

after an incoming MSC-

controlled handover.

051079 79 SPARE051079 Spare

051080 EXT IN INT HO TO EXT 80 Since

S12

NBR_OF_CALLS Number of incoming MSC-

controlled handovers

generated from an internal

handover (DX cause number:

94).



counter.

UPDATED: When an incoming

MSC-controlled handover is


handover.

DOMAIN LEVEL FEATURES:

BSS20117, TCSM3i

051081 81 Since S3 EXT_OUT_DL_RXLEV External outgoing HO due

dow nlink Rx level

051082 82 Since S3 EXT_OUT_UL_RXLEV External outgoing HO due

uplink Rx level

051083 83 Since S3 EXT_OUT_DL_RXQUAL External outgoing HO due

dow nlink Rx quality

051084 84 Since S3 EXT_OUT_UL_RXQUAL External outgoing HO due

uplink Rx quality

051085

85 Since S3 EXT_OUT_DL_INTERF External outgoing HO due

051085

85 Since S3 EXT_OUT_DL_INTERF External outgoing HO due

dow nlink interference

051086 86 Since S3 EXT_OUT_UL_INTERF External outgoing HO due

uplink interference

051087 87 Since S3 EXT_OUT_DISTANCE External outgoing HO due

distance

051088 88 Since S3 EXT_OUT_PBGT_HO External outgoing HO due

pow er budget handover

051089 89 Since S3 EXT_OUT_UMBRELLA_HO External outgoing HO due

umbrella handover

051090 90 Since S3 EXT_OUT_FORCED_HO External outgoing HO due

forced handover

051091 91 Since S3 EXT_OUT_DR_HO External outgoing HO due

directed retry handover

051092 92 Since S3 EXT_OUT_TR_HO External outgoing HO due

traff ic reason handover

051093 93 Since S3 EXT_OUT_IDR_HO External outgoing HO due

intelligent directed retry

handover

051094 94 Since S3 EXT_OUT_PRE_EMPT_HO External outgoing HO due pre-

emption handover

051095 95 Since S3 EXT_OUT_RAP_FIELD_DROP External outgoing HO due

rapid f ield drop

051096 96 Since S4 EXT_OUT_LOW_DISTANCE External outgoing HO due low

distance

051097 97 Since S5 EXT_OUT_SWITCH_CRC_POOL UPDATED: During an outgoing

external handover attempt for

changing the A-interface

circuit pool.

Note

The source

BSC is the

same as the

target BSC.

051098 98 Since S5 EXT_OUT_SLOW_MOVING_MS UPDATED: During an outgoing

external handover. The

handover set-up cause is

slow moving.

MS is in a Macro Cell.

051099 99 Since S6 EXT_OUT_DET_SLOW_MOV_MS Number of outgoing external

HOs w ith set-up cause 118.

051100 100 Since S6 EXT_OUT_DET_FAST_MOV_MS Number of outgoing external


051101 101 Since S3 INTER_DL_RXLEVEL The counter indicates the

amount of successful internal

inter HOs. Handover set up

cause is dow nlink RX level.

051102 102 Since S3 INTER_UL_RXLEVEL The counter indicates the



cause is uplink RX level.

051103 103 Since S3 INTER_DL_RXQUAL The counter indicates the



cause is dow nlink RX quality.

051104 104 Since S3 INTER_UL_RXQUAL The counter indicates the



cause is uplink RX quality.

051105 105 Since S3 INTER_DL_INTERF The counter indicates the

051105 105 Since S3 INTER_DL_INTERF The counter indicates the



cause is dow nlink

interference.

051106 106 Since S3 INTER_UL_INTERF The counter indicates the



cause is uplink interference.

051107 107 Since S3 INTER_DISTANCE The counter indicates the



cause is distance.

051108 108 Since S3 INTER_PBGT_HO The counter indicates the



cause is pbgt HO.

051109 109 Since S4 INTER_UMBRELLA_HO The counter indicates the



cause is umbrella HO.

051110 110 Since S3 INTER_FORCED_HO The counter indicates the



cause is forced HO.

051111 111 Since S3 INTER_DR_HO The counter indicates the



cause is dr HO.

051112 112 Since S3 INTER_TR_HO The counter indicates the



cause is tr HO.

051113 113 Since S3 INTER_IDR_HO The counter indicates the



cause is idr HO.

051114 114 Since S3 INTER_PRE_EMPT_HO The counter indicates the



cause is preemption HO.

051115 115 Since S4 INTER_RAP_FIELD_DROP The counter indicates the



cause is rapid f ield drop.

051116 116 Since S4 INTER_LOW_DISTANCE The counter indicates the



cause is low distance.

051117 117 Since S4 INTER_OK_CI_RATIO The counter indicates the



cause is ok C/I ratio.

051118 118 Since S4 INTER_BAD_DI_RATIO The counter indicates the



cause is bad C/I ratio.

051119 119 Since S5 INTER_SLOW_MOVING_MS UPDATED: During an internal

inter handover. The handover

set-up cause is a slow

moving MS in a Macro Cell.

051120 120 Since S6 INTER_DET_SLOW_MOV_MS Number of internal inter-HOs

w ith set-up cause 139.

051121 121 Since S3 INTRA_DL_INTERF The counter indicates the


intra HOs. Handover set up

cause is dow nlink

interference

051122 122 Since S3 INTRA_UL_INTERF The counter indicates the



cause is uplink interference.

051123 123 Since S3 INTRA_FORCED_HO The counter indicates the



cause is forced HO.

051124 124 Since S4 INTRA_DL_RXQUAL The counter indicates the



cause is dow nlink RX quality.

051125 125 Since S4 INTRA_OK_CI_RATIO The counter indicates the



cause is ok C/I ratio.

051126 126 Since S4 INTRA_BAD_CI_RATIO The counter indicates the



cause is bad C/I ratio.

051127 127 Since S5 INTRA_PRE_EMPT_HO The counter indicates an

internal intra-cell handover.

The handover set-up cause is

a pre-emption handover.

051128 128 Since S6 INTRA_DISTANCE Number of internal intracell


051129 129 Since S6 INTRA_LOW_DISTANCE Number of internal intracell


051130 130 Since S6 INTRA_DR_HO Number of internal intracell


051131 131 Since S7 INTRA_SUCC_DIRECT_ACCESS_HO Number of successful internal

intra-cell HOs from a

dedicated control channel to a

super-reuse TRX. HO set-up

cause is the direct access

procedure.

UPDATED: When the BSC

performs an HO (direct

access) from a regular or

child cell to a super-reuse

TRX of a regular or parent

cell. The statistics is updated

on the basis of the original

cause of the HO, for example,

pow er budget (PBGT).

051132 132 Since S9 INTRA_GPRS_HO Number of successful intra-

cell handovers made to enable

the inclusion of an FTCH into

the GPRS territory.

UPDATED: After the

HO_PERFORMED message is

sent to the MSC.


COUNTERS: Counter 051014

is updated along w ith this

counter.


BSS9006 GPRS Telecom in

BCSU and MCMU.

051133 133 Since

S10

INTRA_HO_TO_AMR_HR Number of successful intra-

cell HOs from AMR FR to AMR

HR.

UPDATED: After the


sent to the MSC.




counter.

051134 134 Since

S10

INTRA_HO_TO_AMR_FR Number of successful intra-

cell HOs from AMR HR to FR.

UPDATED: After the


sent to the MSC.




counter.

051135 135 Since

S10

INTRA_INTER_BAND_TCH

051136 136 Since

S10

INTRA_INTER_BAND_SDCCH_HANDOVER

051137 137 Since S6 INTER_DET_FAST_MOV_MS Number of internal inter-HOs

w ith set-up cause 156.

051138 138 Since S7 INTER_ERFD_HO Number of internal Enhanced

Rapid Field Drop (ERFD) HOs.

UPDATED: After a successful

ERFD HO. Cause

inter_erfd_ho is mapped to

better_cell in the A interface.

051139 139 Since S7 INTER_SUCC_DIRECT_ACCESS Number of successful internal

inter-cell HOs from a

dedicated control channel to a

super-reuse TRX. The HO set-

up cause is the direct access

procedure.

UPDATED: When the BSC

performs an HO (direct

access) from a regular or

child cell to a super-reuse

TRX of a regular or parent

cell. The statistics is updated

on the basis of the original

cause of the HO, for example,

pow er budget (PBGT).

051140 140 Since S8 INTER_BSC_TRHO Number of successful internal

inter handovers w ith set-up

cause BSC_TRHO.

UPDATED: When HO is

performed successfully.

051141 141 Since S8 INTER_DADLB Number of successful internal

handovers to desired layer /

band.

UPDATED: The counter is

updated w hen a BSC internal

handover is completed to

desired layer / band.

051142 142 SPARE051142 Spare

051143 143 SPARE051143 Spare

051144 144 Since S7 EXT_OUT_ERFD_HO Number of external Enhanced

Rapid Field Drop (ERFD) HOs.

UPDATED: After a successful

external ERFD HO. Cause

EXT_OUT_ERFD_HO is

mapped to BETTER_CELL in

the A interface.

051145 145 Since S8 EXT OUT BSC TRHO Number of successful

outgoing external HOs due to

cause traff ic.

UPDATED: The counter

indicates the number of

successful outgoing MSC

controlled handovers in w hich

set-up cause is BSC

controlled traff ic reason

handover.

UPDATED: HASPRB updates

counter w hen outgoing MSC

controlled handover is

generated from internal

handover.

051146 EXT OUT INT HO TO EXT 146 Since

S12

EXT_OUT_INT_HO_TO_EXT Number of outgoing MSC-

controlled handovers


handover (DX cause number:

194).



counter.

UPDATED: When an outgoing

MSC-controlled handover is


handover.


BSS20117, TCSM3i

051147 147 Since

S10

INTRA_INTER_BTS_TYPE_TCH

051148 148 Since

S10

INTRA_INTER_BTS_TYPE_SDC

051149 149 Since

S10

INTRA_HO_DUE_TO_HSCSD

051150 150 SPARE051150 Spare

051151 151 Since

S10.5

EXT_IN_ISHO Number of successful

incoming inter-system

(WCDMA RAN to GSM)

handovers controlled by MSC.

UPDATED: When handover is

completed.


GSM-WCDMA Inter-System

Handover

051152 152 Since

S10.5

EXT_OUT_ISHO Number of successful

outgoing inter-system (GSM to

WCDMA RAN) handovers

controlled by MSC.


completed.


GSM-WCDMA Inter-System

Handover

051153 153 Since

S10.5

INTRA_INTER_BAND_DUE_LEV Number of completed and

successful TCH-TCH

handovers from non-BCCH

frequency layer betw een

BTSs on dif ferent frequency

bands of a segment due to

w eak dow nlink signal level.

UPDATED: When a call has

been successfully transferred

from the non-BCCH frequency

layer of the segment to a BTS

on another frequency band of

the segment due to w eak

dow nlink signal level.




counter. Counter 004169

indicates the respective

attempts in each BTS.


BSS10016

PGSM900/EGSM900/GSM1800

Common BCCH, BSS10087

GSM/EDGE 800/1900 Common

BCCH

051154 154 Since

S11

EXT_OUT_INTER_SYSTEM_DA Number of successful

handovers from the GSM to

the WCDMA RAN due to Direct

Access.


completed.


COUNTERS: Attempts can be

seen in counter 004181 of the

Handover Measurement.


BSS11107 GSM - WCDMA

Interw orking Enhancements

051155 155 Since

S11.5

EXT_OUT_IBHO_TO_GSM Number of IMSI based external

handovers from the source

GSM netw ork to the GSM

authorised netw orks.

UPDATED:

When handover is

completed at the

source BSC.

When IMSI based

handover is made

from the source GSM

netw ork to the GSM



BSS12158 IBHO

051156 156 Since

S11.5

EXT_OUT_IBHO_TO_UTRAN Number of IMSI based external

handovers from the source

GSM netw ork to the UTRAN


UPDATED:

When handover is

completed at the

source BSC.

When IMSI based

handover is made

from the source GSM

netw ork to the

UTRAN authorised

netw orks.


BSS12158 IBHO051157 157 Since

S11.5

INTER_BSC_DFCA_ASSIGN_SUCC Number of successful DFCA

assignments in an inter-BSC

communication procedure.

UPDATED:

When the timer set-up

after a BSC-BSC

conflict control

process has expired.

The assignment has

been completed

successfully and no

conflict betw een

BSCs have occurred.


BSS11052 DFCA

051158 158 Since

S11.5

INTER_BSC_DFCA_ASSIGN_REJ Number of rejected DFCA

assignments after a BSC-BSC

conflict control communication

procedure.

UPDATED: Each time a DFCA

assignment process is f inally

aborted due to a coincident

channel assignment

processes.


BSS11052 DFCA

051159 159 S11.5 PS_PAG_REF_DUE_BCSU30_BIGLOAD Number of rejected PS paging

messages inside the BCSU.

UPDATED: When broadcasted

PS paging message from Gb

interface is rejected due to

BCSU overload.


BSS20203

051160 160 S11.5 PS_PAG_REF_DUE_BCSU31_BIGLOAD See 051159.








051168 168 S11.5 CS_PAG_REF_DUE_BCSU30_BIGLOAD Number of rejected PS paging



PS paging message from Gb


BCSU overload.


BSS20203

051169 169 S11.5 CS_PAG_REF_DUE_BCSU31_BIGLOAD See 051168.









051177 177 S11.5 PAG_FROM_A_INT_REF_DUE_BCSU30 Number of paging messages

from A-interface that are

rejected inside the BCSU.


paging message from A-


BCSU overload.


BSS20203

051178 178 S11.5 PAG_FROM_A_INT_REF_DUE_BCSU31 See 051177.






051184 INTER DTM NO RES AVAIL 184 S11.5 PAG_FROM_A_INT_REF_DUE_BCSU37 See 051177.


051186 INCOMING EXTERNAL DTM HO

DUE NO PS RESOURCES

AVAILABLE

186 Since

S12

INCOMING EXTERNAL DTM HO DUE NO PS

RESOURCES AVAILABLE

Number of successful


due to the reason that there

are no free PS resources

available for a DTM call or

DTM call reallocation in the

source cell (DX cause

number: 95).

Counters 051014, 057013,

and 004195 are updated along

w ith this counter.

UPDATED: When the

HANDOVER_COMPLETE

message is sent to the MSC.

BSS20088, Dual Transfer

Mode

051187 INCOMING EXTERNAL DTM HO

DUE TRAFFIC

187 Since

S12

INCOMING EXTERNAL DTM HO DUE

TRAFFIC



started for DTM calls due to

PS quality control or the

reason that DTM is being

disabled in the source cell (DX

cause number: 96).



counter.

UPDATED: When the

HANDOVER_COMPLETE




Mode

051188 INTER DTM HO DUE NO PS

RESOURCES AVAILABLE

188 Since

S12

INTER DTM HO DUE NO PS RESOURCES

AVAILABLE

Number of successful internal

inter-cell handovers due to the

reason that there are no free

PS resources available for a

DTM call or DTM call

reallocation in the source cell

(DX cause number: 162).

Counters 051013, 057012,


w ith this counter.

UPDATED: When the

HANDOVER_PERFORMED



BSS20088 (Dual Transfer

Mode)

051189 INTRA DTM MO CS TO PS

TERRITORY HO

189 Since

S12

INTRA DTM MO CS TO PS TERRITORY HO Number of successful internal

intra-cell handovers started

as part of a mobile-originated

DTM call establishment (DX

cause number: 170). A CS-

connection handover from the

CS territory to the PS territory

is performed.



counter.

UPDATED: When the

HANDOVER_PERFORMED


See f igure MO DTM call

establishment.



Mode

051190 INTRA DTM MT CS TO PS

TERRITORY HO

190 Since

S12

INTRA DTM MT CS TO PS TERRITORY HO Number of successful internal


as part of a mobile-terminated

DTM call establishment (DX

cause number: 171). A CS-

connection handover from the

CS territory to the PS territory

is performed.



counter.

UPDATED: When the

HANDOVER_PERFORMED


See f igure MT DTM call

establishment.



Mode

051191 INTRA DTM MT PS TO PS

TERRITORY HO

200 Since

S12

INTRA DTM MT PS TO PS TERRITORY HO Number of successful internal


as part of a PS quality control-

initiated DTM call reallocation

(DX cause number: 172). A

CS-connection handover

inside the PS territory is

performed.



counter.

UPDATED: When the

HANDOVER_PERFORMED


See f igure DTM call

reallocation; inadequate PS

connection quality.



Mode

051192 INTRA DTM PS TO CS

TERRITORY HO

201 Since

S12

INTRA DTM PS TO CS TERRITORY HO Number of successful internal


as part of a DTM call release

(DX cause number: 173). A

CS-connection handover from

the PS territory to the CS

territory is performed.



counter.

UPDATED: When the

HANDOVER_PERFORMED


See f igure DTM call release;

packet data transfer end.



Mode

051193 EXT_OUT_DTM_NO_RES_AVAIL 202 Since

S12

EXT_OUT_DTM_NO_RES_AVAIL Number of successful

external outgoing handovers

due to reason that there are

no free PS resources

available for a DTM call in the

serving cell.

UPDATED: When the

CLEAR_COMPLETE message

is sent to the MSC.




counter.

051194 OUTGOING EXTERNAL DTM HO

DUE DTM DISABLED

203 Since

S12

OUTGOING EXTERNAL DTM HO DUE DTM

DISABLED


outgoing external handovers

started for DTM calls because

DTM is being disabled in the

serving cell (DX cause

number: 196).



counter.

UPDATED: When the


is sent to the MSC.



Mode


DUE PS QUALITY CONTROL

204 Since

S12

OUTGOING EXTERNAL DTM HO DUE PS

QUALITY CONTROL



started for DTM calls due to

PS quality control in the

serving cell (DX cause

number: 197).



counter.

UPDATED: When the


is sent to the MSC.



Mode051196 OUTGOING EXTERNAL DTM HO

DUE NO DTM SUPPORT

205 Since

S12

OUTGOING EXTERNAL DTM HO DUE NO

DTM SUPPORT



started for DTM-capable

mobile stations because the

serving cell does not support

DTM (DX cause number: 198).

Counters 051011, 057010,


w ith this counter.

UPDATED: When the


is sent to the MSC.



Mode


TO WCDMA

206 Since

S12

OUTGOING EXTERNAL DTM HO TO

WCDMA



to WCDMA RAN for mobile

stations that support WCDMA

RAN, but not DTM (DX cause

number: 199).



counter

UPDATED: When the


is sent to the MSC.



Mode

051198 INTER DTM HO DUE DTM

DISABLED

207 Since

S12

INTER DTM HO DUE DTM DISABLED Number of successful internal

inter-cell handovers started

for DTM calls because DTM is

being disabled in the source

cell (DX cause number: 240).



counter.

UPDATED: When the

HANDOVER_PERFORMED




Mode

051199 INTER DTM HO DUE PS QUALITY

CONTROL

208 Since

S12

INTER DTM HO DUE PS QUALITY

CONTROL

Number of successful internal


for DTM calls due to PS quality

control in the source cell (DX

cause number: 241).



counter.

UPDATED: When the

HANDOVER_PERFORMED




Mode051200 INTER DTM HO DUE NO DTM

SUPPORT

209 Since

S12

INTER DTM HO DUE NO DTM SUPPORT Number of successful internal


for DTM-capable mobile

stations because the source

cell does not support DTM (DX

cause number: 242).

Counters 051013, 057012,


w ith this counter.

UPDATED: When the

HANDOVER_PERFORMED




Mode

051201 PS PAGING REFUSED DUE

BCSU39 BIG LOAD

300 Since

S12

PS PAGING REFUSED DUE BCSU39 BIG

LOAD

Number of rejected PS paging


UPDATED: When a

broadcasted PS paging

message from the Gb


BCSU overload.


BSS20118, BSC3i 1000/2000

051202 PS PAGING REFUSED DUE

BCSU3A BIG LOAD

301 Since

S12

PS PAGING REFUSED DUE BCSU3A BIG

LOAD

Number of rejected PS paging


UPDATED: When a

broadcasted PS paging

message from the Gb


BCSU overload.


BSS20118, BSC3i 1000/2000

051203 CS PAGING REFUSED DUE

BCSU39 BIG LOAD

302 Since

S12

CS PAGING REFUSED DUE BCSU39 BIG

LOAD

Number of rejected CS paging


UPDATED: When a

broadcasted CS paging

message from the Gb


BCSU overload.


BSS20118, BSC3i 1000/2000

051204 CS PAGING REFUSED DUE

BCSU3A BIG LOAD

303 Since

S12

CS PAGING REFUSED DUE BCSU3A BIG

LOAD

Number of rejected CS paging


UPDATED: When a

broadcasted CS paging

message from the Gb


BCSU overload.


BSS20118, BSC3i 1000/2000

051205 PS PAGING FROM A INT

REFUSED DUE BCSU39 BIG

LOAD

304 Since

S12

PS PAGING FROM A INT REFUSED DUE

BCSU39 BIG LOAD

Number of paging messages

from the A interface that are


UPDATED: When a

broadcasted paging message

from the A interface is

rejected due to BCSU

overload.


BSS20118, BSC3i 1000/2000051206 PS PAGING FROM A INT

REFUSED DUE BCSU3A BIG

LOAD

305 Since

S12

PS PAGING FROM A INT REFUSED DUE

BCSU3A BIG LOAD

Number of paging messages

from the A interface that are


UPDATED: When a

broadcasted paging message

from the A interface is

rejected due to BCSU

overload.


BSS20118, BSC3i 1000/2000

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