Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Explicit Call Transfer (ECT) supplementary service; Stage 1 (3GPP TS 22.091 version 9.0.0 Release 9)
STANDARD published on 21.1.2010
Designation standards: ETSI TS 122091-V9.0.0
Publication date standards: 21.1.2010
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: European technical standard
Category: Technical standards ETSI