ETSI - TS 123 091
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2
|Publication Date:||1 July 2020|
The present document gives the stage 2 description of the call transfer supplementary services.
Only one call transfer supplementary service has been defined, this is the Explicit Call Transfer (ECT) supplementary service, and is described in the present document.