Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Price display: excl. VAT
Displayed currency:
USD
Sort by:
ETSI TS 123091-V11.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 11.0.0 Release 11)
Standard published on 24.10.2012
Selected format:Show all technical information.
ETSI TS 123091-V12.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 12.0.0 Release 12)
Standard published on 10.10.2014
Selected format:Show all technical information.
ETSI TS 123091-V13.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 13.0.0 Release 13)
Standard published on 18.1.2016
Selected format:Show all technical information.
ETSI TS 123091-V14.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 14.0.0 Release 14)
Standard published on 3.4.2017
Selected format:Show all technical information.
ETSI TS 123091-V15.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 15.0.0 Release 15)
Standard published on 3.7.2018
Selected format:Show all technical information.
ETSI TS 123091-V16.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 16.0.0 Release 16)
Standard published on 20.7.2020
Selected format:Show all technical information.
ETSI TS 123091-V17.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 17.0.0 Release 17)
Standard published on 12.4.2022
Selected format:Show all technical information.
ETSI TS 123091-V18.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 18.0.0 Release 18)
Standard published on 14.5.2024
Selected format:Show all technical information.
ETSI TS 123091-V19.0.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service; Stage 2 (3GPP TS 23.091 version 19.0.0 Release 19)
Standard published on 15.10.2025
Selected format:Show all technical information.
ETSI TS 123091-V3.1.0
Show all technical information.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) supplementary service - Stage 2 (3G TS 23.091 version 3.1.0 Release 1999)
Standard published on 28.1.2000
Selected format:Show all technical information.
Can we help you with something?
