Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) layer specification
8.7.0
8.6.0
8.5.0
8.4.0
8.3.0
7.5.0
7.4.0
7.3.0
7.1.1
7.0.0
6.10.0
6.9.0
6.8.0
6.7.0
6.5.1
6.4.0
6.3.0
6.2.0
6.1.0