3 Definitions, symbols and abbreviations

29.0163GPPGeneral Packet Radio Service (GPRS)Gs interface network service specificationRelease 17Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR)TS

Unless listed below, the definitions, symbols and abbreviations are listed in 3GPP TR 21.905 and 3GPP TS 23.060.