ETSI TS 100 901 V7.4.0 (1999-12) Technical Specification Digital cellular telecommunications system (Phase 2+); Technical realization of the Short Message Service (SMS);…
EUROPEAN ETS 300 536 TELECOMMUNICATION October 1996 STANDARD Fourth Edition Source: ETSI TC-SMG Reference: RE/SMG-040340PR4 ICS: 33.060.50 Key words: Digital cellular telecommunications…
GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS R EUROPEAN ETS 300 599 TELECOMMUNICATION December 2000 STANDARD Ninth Edition Source: GSM Reference: RE/TSGN-040902PR9 ICS: 33.020…