[asterisk-users] changing the size of voice packets

Kristian Kielhofner kkielhofner at star2star.com
Mon Nov 10 15:19:32 CST 2008

On Mon, Nov 10, 2008 at 4:08 PM, Kevin P. Fleming <kpfleming at digium.com> wrote:
> Alex Balashov wrote:
>> If the packetisation durations are different between endpoints, the SDP
>> offer/answer should fail with a "488 Not Acceptable Here."  Right?
> Only if the 'ptime' or 'maxptime' values offered are not legal for the
> codec involved; if they are supported by the codec, then 'ptime' is just
> a preference, not a demand. The endpoint accepting the offer is free to
> send packets of any legal size, but not exceeding 'maxptime'.
> --
> Kevin P. Fleming
> Director of Software Technologies
> Digium, Inc. - "The Genuine Asterisk Experience" (TM)

Yep, that's how it's supposed to work.

Are you confirming our understanding of the spec or Asterisk's
implementation of the spec?

Kristian Kielhofner

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