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

[Nick Awesome]

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


> On 18 Mar 2015, at 18:26, Matthew Jordan <mjordan at digium.com> wrote:
> 
> On Wed, Mar 18, 2015 at 9:53 AM, Nick Awesome <jleed at me.com> wrote:
>> Well, it breaks audio for all NAT endpoints, how can I fix this?
>> 
> 
> Local (packet to packet) bridging should not do that. Remote (direct
> media) can do that.
> 
> Can you confirm - by looking at a verbose level 4 log - how Asterisk
> is bridging the two channels?
> 
> -- 
> 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
> 
> -- 
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