Published Date: 07/01/2020

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ETSI TS 123 091

Published Date: 07/01/2018

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ETSI TS 123 091

Published Date: 04/01/2017

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ETSI TS 123 091

Published Date: 10/01/2014

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)

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ETSI TS 123 091

Published Date: 10/01/2012

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ETSI TS 123 091

Published Date: 05/01/2011

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ETSI TS 123 091

Published Date: 01/01/2010

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ETSI TS 123 091

Published Date: 01/01/2009

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ETSI TS 123 091

Published Date: 06/01/2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) Supplementary Service; Stage 2 (3GPP TS 23.091 version 7.0.0 Release 7)

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ETSI TS 123 091

Published Date: 12/01/2004

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ETSI TS 123 091

Published Date: 09/01/2002

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) Supplementary Service; Stage 2 (3GPP TS 23.091 version 5.1.0 Release 5)

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ETSI TS 123 091

Published Date: 09/01/2002

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) Supplementary Service; Stage 2 (3GPP TS 23.091 version 4.1.0 Release 4)

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ETSI TS 123 091

Published Date: 03/01/2001

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 4.0.0 Release 4)

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ETSI TS 123 091

Published Date: 10/01/2000

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 3.2.0 Release 1999)

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ETSI TS 123 091

Published Date: 01/01/2000

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Published Date: 03/01/2017

Universal Mobile Telecommunications System (UMTS); LTE; 3GPP system to Wireless Local Area Network (WLAN) interworking; WLAN User Equipment (WLAN UE) to network protocols; Stage 3 (3GPP TS 24.234 version 13.1.0 Release 13)

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Published Date: 11/01/2020

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Published Date: 08/01/2020

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Edition :	4.1.0
File Size :	1 file , 130 KB
Note :	This product is unavailable in Russia, Ukraine, Belarus
Number of Pages :	23
Published :	09/01/2002

ETSI TS 123 091 PDF

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Explicit Call Transfer (ECT) Supplementary Service; Stage 2 (3GPP TS 23.091 version 4.1.0 Release 4)

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