NSS Operations Overview

An Overview of NSS Operations Dept.

Presented by: Mr. XYZ Date xx.ox.ox

Do You KnowDo You Know What isWhat is

GSM ?GSM ?11

22

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GSM is Global System for Mobile CommunicationGSM is Global System for Mobile Communication

GSM was Introduced in 1982 by ETSIGSM was Introduced in 1982 by ETSI

GSM is used in more than 184 countriesGSM is used in more than 184 countries

More than 2000 million subscribers world wideMore than 2000 million subscribers world wide

More than 80% of all digital mobile phones use GSMMore than 80% of all digital mobile phones use GSM

GSM Operators in GSM Operators in PakistanPakistan

Ufone

Warid

Telenor

Zong

Mobilink

GSM ArchitectureGSM Architecture

NSS

BSS

NSS NodesNSS Nodes

MSC --- Mobile Switching Center

HLR--- Home Location Register

STP--- Signaling Transfer Point

CRBT--- Customized Ring Back Tone

EIR--- Equipment Identity Register

NSS Operations NSS Operations Task ListTask List

We Can divide NSS Operations Tasks/Activities in Following broad categories

MSC Data Fill NSS Performance Reports HLR Data Fill Maintenance Tasks Call Testing WCMS Handling Daily Routine Activities

MSC Data FillMSC Data Fill

Numbering Series Definitions Short Codes Definition New Interconnect Definitions IR Definitions New Nodes Definitions

NSS Performance NSS Performance ReportsReports

In order to optimize the Network following NSS Performance reports are generated on daily & weekly basis

Daily GSM Call Drop Report Daily KPIs Analysis Report Daily Core Traffic Report Daily NSS Outage Report Daily Core Paging Report Weekly Flash Report Weekly Core performance Report Weekly Ater Circuits Report Weekly WCMS Status Report

HLRs Data FillHLRs Data Fill

IMSI Uploading Pairing Files execution IR Data Fill

Call TestingCall Testing

Critical Call Testing CDR Testing No Audio Testing Weekly QOS Testing

Daily Routine Daily Routine TasksTasks

Alarms Monitoring Daily Routine Checks Daily Outage Report Daily Environment Report

Daily Routine Daily Routine TasksTasks

Daily Rectifiers Status Report Billing Files count Daily Outage Report Support to Coordination Department

WCMS HandlingWCMS Handling

Complaints Logged in WCMS are checked on the basis of following Error Codes

Incoming Call Complaint from OMO/PTCL Outgoing Call Complaint to OMO/PTCL Outgoing Call Complaint to Int. Numbers Support to Coordination Department Short Codes Access Complaints Muting Complaints Echo Complaints

WCMS FlowWCMS Flow

Customers log Complaints

on 333Call Center Staff Forward to

Support Center

Support Center Check & Filter valid Complaint and Log these complaints in WCMS according to the region.

NSS team checkComplaints of their respective

regions

After Resolution NSS close theseComplaints in WCMS

NSS HierarchyNSS Hierarchy

CTO

Sr. Manager NSS

Manager SouthManager NorthManager C - IManager CII/CIII

NSS South TeamNSS North TeamNSS C - I TeamNSS CII/CIII Team

Mainly Three Vendors are involved in Ufone NSS

1. Huawei 2. Siemens3. Nortel

NSS VendorsNSS Vendors

Vendors vise NSS Vendors vise NSS Nodes in C-II/C-IIINodes in C-II/C-III

Huawei Six MSCs Two HLRs Two STPs Two CRBTs Two URPs

Nortel Two HLRs

Siemens Four MSCs

Phase vise NSS Phase vise NSS Core Nodes Core Nodes DeploymentDeployment

2 Siemens MSCs

1 Nortel HLR 100

2 Siemens MSCs

1 Nortel HLR 200Phase 4 A Expansion

Phase 4 A

Phase vise NSS Phase vise NSS Core Nodes Core Nodes DeploymentDeployment

6 MSCs

2 HLRs

2 STPs

2 CRBTs

2 URPs

No Core NodeBSCs AdditionMSCs Version Upgrades

Phase 5

Phase 6

Thank You !

Presented by: Mr. XYZ Date xx.ox.ox