Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 9.0.0 Release 9)
STANDARD published on 9.2.2010
Designation standards: ETSI TS 129231-V9.0.0
Publication date standards: 9.2.2010
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: European technical standard
Category: Technical standards ETSI