PJSIP and UDP and cellphone networks

yes. and to be honest; my chan_sip settings are a mess. pjsip is so much clearer with templates etc… but seomething seems changed in asterisk 13 and 16 that prevents it from working…

I’ve also reached the max amount of replies…

Found the issue… for the chan_sip no working.

It seems the contact is formulated incorrectly:
Contact: sip:600@72.externalasteriskIP:5060;transport=tcp

I have chan_sip tcp transport set to port 5080 via sip.conf:
tcpenable=yes
tcpbindaddr=0.0.0.0:5080

But for some reason the contact is sent as above. not sure where its getting 5060 but if I forward 5060 to 5080 via the router; it works…

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