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ITU-T T.38 (09/2010)

Procedures for real-time Group 3 facsimile communication over IP networks

Recommendation ITU-T T.38 defines the procedures to be applied to allow Group 3 facsimile transmission between terminals where in addition to the PSTN or ISDN a portion of the transmission path used between terminals includes an IP network, e.g., the Internet.This revision of ITU-T Recommendation T.38 clarifies H.323, H.248.1, SIP and SDP call establishment and improves the compatibility between T.38 gateways and Group 3 facsimile.

Citation:	https://handle.itu.int/11.1002/1000/10995
Series title:	T series: Terminals for telematic services T.30-T.39: Facsimile – Group 3 protocols
Approval date:	2010-09-13
Provisional name:	T.Ifax2
Approval process:	AAP
Status:	Superseded
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6.1	T.38 (2010) Amd. 1 (10/2014)	Superseded	here	here	here
6	T.38 (09/2010)	Superseded	here	here	here
6.0	T.38 (2010) Err. 1 (04/2013)	Superseded	-	-	here
5	T.38 (04/2007)	Superseded	here	here	here
4	T.38 (09/2005)	Superseded	here	here	here
3.1	T.38 (2004) Amd. 1 (01/2005)	Superseded	here	here	here
3	T.38 (04/2004)	Superseded	here	here	here
2.4	T.38 (2002) Amd. 2 (04/2004)	Superseded	here	-	here
2.3	T.38 (2002) Amd. 3 (01/2004)	Superseded	here	-	here
2.2	T.38 (2002) Amd. 1 (07/2003)	Superseded	here	-	here
2.1	T.38 (2002) Cor. 1 (07/2003)	Superseded	here	-	here
2	T.38 (03/2002)	Superseded	here	here	here
1.5	T.38 (1998) Amd. 4 (07/2001)	Superseded	here	-	here
1.4	T.38 (1998) Amd. 3 (11/2000)	Superseded	-	-	here
1.3	T.38 (1998) Cor. 1 (03/2000)	Superseded	-	-	here
1.2	T.38 (1998) Amd. 2 (02/2000)	Superseded	here	here	here
1.1	T.38 (1998) Amd. 1 (04/1999)	Superseded	here	here	here
1	T.38 (06/1998)	Superseded	here	here	here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 (2010-09)

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

Click here to download all the modules of this Recommendation (zipped archive)

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Language	Title	OID	Obs.	Last update
ASN.1	T38(1998)	-		2011-09-12
ASN.1	T38(2002)	-		2011-09-12

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ITU-T T.38 (09/2010)