<div dir="ltr"><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">Hello all,</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">I am dealing with a no audio issue, phones are not even ringing. There is a private IP address in the "VIA" section of the message header of the INVITE:</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">Via: SIP/2.0/UDP 192.168.1.25:65291;rport;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">and in the contact  too:</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">Contact: <sip:5002@192.168.1.25:65291;ob></p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px"> </p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">In the "status 100 Attempting to connect your call" from the server,  I can see the public IP of the phone under received:</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">Via: SIP/2.0/UDP 192.168.1.25:65291;rport=53990;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34;received=PHONE_PUBLIC_IP</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px"> </p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">And in the "status 200 ok" from the server, I have:</p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">Via: SIP/2.0/UDP 192.168.1.25:65291;received=PHONE_PUBLIC_IP;rport=53990;branch=z9hG4bKPj9e3849d1981a4094a8323dad5826ec34<br style="box-sizing:border-box">Record-Route: <sip:SERVER_PUBLIC_IP;lr=on;ftag=9284528256a54f8b81e692133a15684c></p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px"> </p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px"> </p><p style="box-sizing:border-box;color:rgb(48,48,57);font-family:Roboto,"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:14px">I don't know  what steps to take to resolve this issue.</p></div>