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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : G.764
Title : Voice packetization - packetized voice protocoles
Study Group : XV - Transmission Systems and Equipment
Version : New
Date of adoption : 1990
Notes :
Recommendation G.764 defines a packet voice protocol for speech
packetization in permanent virtual circuit applications. The principal
application of the packetized voice protocol (PVP) is at the primary
rate and in fractional primary rate applications.
The protocol defines formats and procedures for the transport of voice
information and channel associated signalling over a wideband packet
network.
Recommendation G.764 accommodates additional future types including
optional internetworking capabilities with the digital cellular radio
networking applications currently under development. The extension of
Recommendation G.764 for baseband facsimile traffic is currently under
study.
Recommendation G.764 does not address performance issues.
Recommendation G.764 does not address methods for coding speech
samples, although particular recommended coding algorithms are
specified in the protocol (e.g. the algorithms in
Recommendation G.726). In particular, Recommendation G.764 allows
dynamic bandwidth allocation and graceful congestion control when the
speech samples are coded with embedded algorithms such as those
specified in Recommendation G.727.
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).