Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 (3GPP TS 24.229 version 19.5.0 Release 19)
STANDARD published on 10.2.2026
Designation standards: ETSI TS 124229-V19.5.0
Publication date standards: 10.2.2026
The number of pages: 1178
Approximate weight : 3565 g (7.86 lbs)
Country: European technical standard
Category: Technical standards ETSI