[Asterisk-Users] dropping voice frame ulaw - slin?

[Damon Estep]

Mar 15 12:54:01 NOTICE[24269] channel.c: Dropping incompatible voice
frame on Local/[removed number]@context-5c3e,2 of format ulaw since our
native format has changed to slin

 

 

Can anyone provide an English translation of what this means?

 

 

The extension is a Polycom IP 501

The only allowed formats are g.711u

MOH is MP3 files (obvious)

All prompts have been re-recorded in .ul uLaw

Voicemail is recorded in wav|ulaw so there should be native playback to
g.711 UAs and the wav is for windows email attachments.

Outbound termination is to a Sonus GSX media gateway, g.711u is the only
allowed codec for that peer (disallow=all allow=ulaw)

Sip friend (the extension) has disallow=all allow=ulaw

 

The entire RTP path should never be anything but ulaw!

 

What is slin and what does this NOTICE mean?

 

I have seen this question asked before, but did not find one with an
answer

 

Thx!

 

 

 

 

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