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ITU-T T.38 (2002) Amd. 1 (07/2003)

Support for half-duplex V.34 and V.150.1 interworking

This Amendment to Recommendation T.38 specifies:*V.34 support, allowing Group 3 facsimile terminals with V.34 half-duplex modulation capability, as specified in Rec. T.30, to transfer facsimile documents in real-time between two standard Group 3 facsimile terminals over the Internet or over other networks using IP protocols.*Optional support for legacy V.33 G3FEs* Clarification of version interoperability* New Annex F, Procedures for the Interworking of T.38 and V.150.1 functions when supported in the same gateway.* Amended Annex E and Appendix III to add Call Establishment Procedures for T.38 Voice Media Gateways Capable of Autonomous Transitioning Between VoIP and FoIP.Editorial clean up of Annex B.

Citation:	https://handle.itu.int/11.1002/1000/6507
Series title:	T series: Terminals for telematic services T.30-T.39: Facsimile – Group 3 protocols
Approval date:	2003-07-29
Provisional name:	T.Ifax2
Approval process:	AAP
Status:	Superseded
Observation:	Never published, directly consolidated in ITU-T Rec. T.38 (04/2004). Only the electronic prepublished version is available on ITU Website
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
7	T.38 (11/2015)	In force	here	here	here
6.1	T.38 (2010) Amd. 1 (10/2014)	Superseded	here	here	here
6	T.38 (09/2010)	Superseded	here	here	here
6.0	T.38 (2010) Err. 1 (04/2013)	Superseded	-	-	here
5	T.38 (04/2007)	Superseded	here	here	here
4	T.38 (09/2005)	Superseded	here	here	here
3.1	T.38 (2004) Amd. 1 (01/2005)	Superseded	here	here	here
3	T.38 (04/2004)	Superseded	here	here	here
2.4	T.38 (2002) Amd. 2 (04/2004)	Superseded	here	-	here
2.3	T.38 (2002) Amd. 3 (01/2004)	Superseded	here	-	here
2.2	T.38 (2002) Amd. 1 (07/2003)	Superseded	here	-	here
2.1	T.38 (2002) Cor. 1 (07/2003)	Superseded	here	-	here
2	T.38 (03/2002)	Superseded	here	here	here
1.5	T.38 (1998) Amd. 4 (07/2001)	Superseded	here	-	here
1.4	T.38 (1998) Amd. 3 (11/2000)	Superseded	-	-	here
1.3	T.38 (1998) Cor. 1 (03/2000)	Superseded	-	-	here
1.2	T.38 (1998) Amd. 2 (02/2000)	Superseded	here	here	here
1.1	T.38 (1998) Amd. 1 (04/1999)	Superseded	here	here	here
1	T.38 (06/1998)	Superseded	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
T Suppl. 1 (11/2004)	Conformance testing requirements for Recommendations of the T.170-series	In force	here	here	here

T.38 (2002) Amd. 1 (2003-07)

Index of all ASN.1 assignments defined in this Recommendation.

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Language	Title	OID	Obs.	Last update
ASN.1	T38	-

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ITU-T T.38 (2002) Amd. 1 (07/2003)