[asterisk-users] can PJSIP_MEDIA_OFFER work like SIP_CODEC?

Matthew Jordan mjordan at digium.com
Tue Sep 30 10:52:51 CDT 2014

On Sat, Sep 27, 2014 at 10:28 AM, d tbsky <tbskyd at gmail.com> wrote:
> hi:
>    when using chan_sip, I can use set SIP_CODEC in dialplan to change
> the codec of endpoint. this method didn't work with pjsip in asterisk
> 12/13.
>    I found asterisk 12/13 has a new function PJSIP_MEDIA_OFFER.
> according to the description, it seems can set codec, but the document
> didn't offer any example. i try to use something like
> PJSIP_MEDIA_OFFER(alaw)  but didn't work.
>    can someone give an example for the function? thanks for the help.

The function should work on whatever channel it was set on. If you are
going to use it on an outbound channel, then you should use a pre-dial
handler to apply it to that channel.


Matthew Jordan
Digium, Inc. | Engineering Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: http://digium.com & http://asterisk.org

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