everyone. Did anybody ever tried to connect asterisk to t-mobile network using their wifi calling feature? From what I was able to find its just SIP over TLS using phone number, IMEI (not sure why) and IMSI to authenticate. Trying to make this work..
Trying to make the fax detection work. My current setup (with no fax) is done without Answer(), so the call is answered only when someone actually picks-up the phone. But when the incoming call is fax, I can her the tone and call is never forwarded..