[asterisk-users] Asterisk switching bridge to native_rtp even with direct_media=no

[Matthew Jordan]

On Thu, Mar 19, 2015 at 1:47 AM, Nick Awesome <jleed at me.com> wrote:
> NAT endpoint calling local endpount - switching to native_rtp then no audio,
> both of them have direct_media=no, Verbose log:
>
>     -- Executing [99 at dialmap:1] AGI("PJSIP/304-00000022", "/pbx/agi.php") in
> new stack
>     -- Launched AGI Script /pbx/agi.php
>     -- AGI Script Executing Application: (Dial) Options:
> (PJSIP/99/sip:99 at 192.168.1.73:5060,20)
>     -- Called PJSIP/99/sip:99 at 192.168.1.73:5060
>     -- PJSIP/99-00000023 is ringing
>     -- PJSIP/99-00000023 answered PJSIP/304-00000022
>     -- Channel PJSIP/304-00000022 joined 'simple_bridge' basic-bridge
> <da8840bc-9b71-4ca6-b1d8-9565bf8e5e28>
>     -- Channel PJSIP/99-00000023 joined 'simple_bridge' basic-bridge
> <da8840bc-9b71-4ca6-b1d8-9565bf8e5e28>
>        > Bridge da8840bc-9b71-4ca6-b1d8-9565bf8e5e28: switching from
> simple_bridge technology to native_rtp
>        > Locally RTP bridged 'PJSIP/99-00000023' and 'PJSIP/304-00000022' in
> stack
>        > Locally RTP bridged 'PJSIP/99-00000023' and 'PJSIP/304-00000022' in
> stack
>        > 0x7f4b50145420 -- Probation passed - setting RTP source address to
> 194.204.157.200:8972
>        > 0x7f4b5014f140 -- Probation passed - setting RTP source address to
> 192.168.1.73:5004
>     -- Channel PJSIP/304-00000022 left 'native_rtp' basic-bridge
> <da8840bc-9b71-4ca6-b1d8-9565bf8e5e28>
>     -- Channel PJSIP/99-00000023 left 'native_rtp' basic-bridge
> <da8840bc-9b71-4ca6-b1d8-9565bf8e5e28>
>     -- <PJSIP/304-00000022>AGI Script /pbx/agi.php completed, returning 4
>

Correct - and per the log, they shouldn't be in a direct media bridge:

       > Locally RTP bridged 'PJSIP/99-00000023' and
'PJSIP/304-00000022' in stack
       > Locally RTP bridged 'PJSIP/99-00000023' and
'PJSIP/304-00000022' in stack

Locally RTP bridged means media is still flowing through Asterisk, it
just isn't being decoded and passed through the core.


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