
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); SIP-I based circuit-switched core network; Stage 2 (3GPP TS 23.231 version 11.1.1 Release 11)
NORMA vydána dne 21.11.2012
Designation standards: ETSI TS 123231-V11.1.1
Publication date standards: 21.11.2012
The number of pages: 75
Approximate weight : 225 g (0.50 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI