[asterisk-dev] [IAX] Separate QoS settings for signaling, voice and video packets

[Yousf Ateya]

Asterisk provides a way to set tos and cos fields
<https://wiki.asterisk.org/wiki/display/AST/IP+Quality+of+Service> in IP
headers. But as stated in documentation:

Since IAX connections combine signalling, audio, and video into one UDP
stream, it is not possible to set the TOS separately for the different
types of traffic

So the packet priority is assigned to signaling, voice and video; which
minimizes the benefit of having packet priority.

If there are separate settings for signaling and voice, users can increase
priority of signaling; to ensure that control packets get better chance
than voice packets.

Is this a useful feature?
Will it make any difference in IAX connection quality?

-- 
Yousf Ateya

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