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PBX stops sending audio mid-sentence (of outgoing message)

Asterisk: PBX stops sending audio mid-sentence (of outgoing message). I don't think it's happening because the outgoing traffic is saturated.

I have attached the logfile. In there is says that  the transmission is not being responded to. This is not a problem of 1 way audio. When it works, it works both ways.

Sometimes it does not stop. Maybe this is an issue for Viatalk, my provider.
asterisk-stops-sending-audio-mid.txt
Voice Over IPIP TelephonyRoutersNetworking Hardware-Other

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Jeff swicegood

8/22/2022 - Mon
ASKER
Jeff swicegood

The PBX is behind a router which is behind a router/modem. I have put the router in the DMZ of the modem to eliminate the double NAT. Outgoing calls never drop connection with the peer (provider).

username=1919XXXXXXX
type=peer
secret=XXXXXXXXXX
qualify=3600
nat=yes
insecure=very
host=chicago-1f.vtnoc.net
fromdomain=chicago-1f.vtnoc.net
context=from-trunk&from-trunk
canreinvite=no
authuser=1919XXXXXXX
dtmfmode=inband

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Could it be that the PBX is not reading the correct external IP?

Here is a picture of my SIP configuration.SIP settingsSIP settings
ASKER CERTIFIED SOLUTION
Jeff swicegood

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