Update to Recommended Codecs for the AVP RTP Profile
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RAI
avtcore
defines the AVP RTP profile, which is the basis for
many other profiles, such as SAVP,
AVPF, and SAVPF.
This document updates (and by extension, the profiles
that build upon it) to reflect changes in audio codec usage since the document
was originally published.
says that audio applications operating under the AVP
profile SHOULD be able to send and receive PCMU and DVI4.
However, in practice, many RTP deployments do not support DVI4, and its utility
is limited in the presence of much more modern codecs.
This document updates the recommended audio codec selection for the AVP
profile to remove the SHOULD for DVI4.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in .
The text of is hereby updated as set forth below.
In the final paragraph of Section 6, replace, "payload types 0 (PCMU) and
5 (DVI4)," with "payload type 0 (PCMU)."
Also, add a final sentence to this paragraph that states, "Some environments
may make support for PCMU mandatory."
This document does not introduce any new security considerations for
.
This document has no actions for IANA.
Thanks to Colin Perkins for suggesting this update.