ETSI TS 129 061
ETSI TS 129 061
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Packet Domain; Interworking between the Public Land Mobile Network (PLMN) supporting Packet Based Services and Packet Data Networks (PDN) (3GPP TS 29.061 version 4.1.0 Release 4)
standard published 07/01/2001 by European Telecommunications Standards Institute