[asterisk-users] SIP Codec negotiation

[Steve Edwards]

> On Fri, May 11, 2018, at 10:36 AM, Steve Edwards wrote:
>>
>> So, Asterisk will defer it's choice of codec to match the codec it detects
>> in the incoming stream?

On Fri, 11 May 2018, Joshua Colp wrote:
>
> It depends on the channel driver and configuration. The chan_sip module 
> always matching outgoing codec to the incoming codec. The chan_pjsip 
> module has an option to do that (which is on by default).

Is this why I see occasional notices in my log file like:

Dropping incompatible voice frame on SIP/xxx of format ulaw since our 
native format has changed to (gsm)

-- 
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
             https://www.linkedin.com/in/steve-edwards-4244281