[asterisk-users] changing the size of voice packets

[Alex Balashov]

Kevin P. Fleming 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'.

Hm.  Then perhaps the instances in which I've seen this play out have 
been conflicting maxptime values.


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Alex Balashov
Evariste Systems
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