Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; 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 19.0.0 Release 19)
STANDARD published on 17.10.2025
Designation standards: ETSI TS 124642-V19.0.0
Publication date standards: 17.10.2025
The number of pages: 57
Approximate weight : 171 g (0.38 lbs)
Country: European technical standard
Category: Technical standards ETSI