ETSI TS 144 064
ETSI TS 144 064
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 (3GPP TS 44.064 version 4.0.0 Release 4)
standard published 03/01/2001 by European Telecommunications Standards Institute