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PJSIP Remotely bridging over NAT

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@gherbstman wrote:

Yesterday our phones started performing a remote bridge between our outside network and inside network phones. These go thru a NAT firewall and have been working for a long time. Now we have no audio after about 1/2 a second.

I am seeing remote bridging as examples below. We are also seeing this between our PJSIP trunks and our endpoints. I have no idea how this is working but there is audio. Our SIP trunk is not exhibiting this issue as we have directmedia=no on the SIP config. I cannot find any setting on PJSIP.

We do have our internal and external IP networks defined.

We just started having this issue and I cannot figure out why.

-- Channel PJSIP/1048-0000010e joined 'simple_bridge' basic-bridge
-- Channel PJSIP/7999-0000010d joined 'simple_bridge' basic-bridge

Bridge f7bb0760-54d0-484e-bd2f-ee31cc1f107d: switching from simple_bridge technology to native_rtp
Remotely bridged 'PJSIP/7999-0000010d' and 'PJSIP/1048-0000010e' - media will flow directly between them
Remotely bridged 'PJSIP/7999-0000010d' and 'PJSIP/1048-0000010e' - media will flow directly between them
0x7f4bfc1e0800 -- Probation passed - setting RTP source address to 192.168.160.43:5004
0x7f4bfc151070 -- Probation passed - setting RTP source address to x.9.144.129:25694
0x7f4bfc151070 -- Probation passed - setting RTP source address to x.9.144.129:25694
0x7f4bfc1e0800 -- Probation passed - setting RTP source address to 192.168.160.43:5004

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