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ITU-T V.152 (01/2005)

Procedures for supporting voice-band data over IP networks

Voice-band data traffic has traditionally been transported by circuit switched systems and equipment. With the advent of the networks optimized for the transport of Internet Protocol (IP), and as a result of its considerable growth and pervasive nature, more and more voice-band data traffic is expected to be carried over IP networks.Given that voice and voice-band data services remain a significant part of telecommunications, there is a need to ensure a high quality of service for voice and voice-band data carried in part, or wholly, via IP. This Recommendation defines procedures for equipment that interconnect GSTN networks with IP networks to provide satisfactory, transparent delivery of modulated voice-band data (VBD) as encoded audio content over IP (data modems, facsimile terminals and text telephones).This Recommendation is complementary to the modem relay and voice-band data ITU-T Recs V.150.0 and V.150.1.

Citation:	https://handle.itu.int/11.1002/1000/7467
Series title:	V series: Data communication over the telephone network V.100-V.199: Interworking with other networks
Approval date:	2005-01-08
Provisional name:	V.VBD
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 21
Further details:	Patent statement(s) Development history

EditionsImplementer's guide(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
2	V.152 (09/2010)	In force	here	here	here
1.3	V.152 (2005) Amd. 1 (03/2009)	Superseded	here	here	here
1.2	V.152 (2005) Cor. 2 (05/2006)	Superseded	here	-	here
1.1	V.152 (2005) Cor. 1 (09/2005)	Superseded	here	here	here
1	V.152 (01/2005)	Superseded	here	here	here

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ITU-T Recommendations

ITU-T V.152 (01/2005)