TS 24.642 – Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem
Specification of the stage 3 protocol for CCBS, CCNR, and CCNL services in the IMS subsystem
Release
Rel-18
Category
Services
Subcategory
IMS
Network Layer
Services
Technology
Multi-Gen
Business Impact
Medium
Key Technologies
IMSSIPSDP
View the full specification with interactive table of contents, version history, and AI analysis.