ETSI TS 101 351

Digital cellular telecommunications system (Phase 2 ) (GSM); General Packet Radio Service (GPRS); Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) layer specification (GSM 04.64 version 6.7.0 Release 1997) Edition: 6.7.0
European Telecommunications Standards Institute / 01-Mar-2000 / 61 pages