ETSI - TS 124 629
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification
| Organization: | ETSI |
| Publication Date: | 1 January 2014 |
| Status: | inactive |
scope:
The present document specifies the stage three (protocol description) of the Explicit Communication transfer (ECT) supplementary service, based on stage one two of the ISDN ECT supplementary service. It provides the protocol details in the IP Multimedia (IM) Core Network (CN) subsystem based on the Section Initiation Protocol (SIP) and the Session Description (SDP).
The present document is applicable to User Equipment (UE) and Application Service (AS) which are tintended to support the ECT supplementary service.
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