Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM)Core Network (CN) subsystem; Protocol Specification (3GPP TS 24.642 version 8.1.0 Release 8)
STANDARD published on 31.3.2009
Designation standards: ETSI TS 124642-V8.1.0
Publication date standards: 31.3.2009
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: European technical standard
Category: Technical standards ETSI