I’m setting up a new PBX in the Google cloud running FreePBX 14.0.1.36 / Asterisk 14.7.5. Most calls are fine, but when calling an AT&T landline that is busy, ringback tone is heard instead of the expected busy signal. An example of a failing num..
I’m setting up a new PBX in the Google cloud running FreePBX 14.0.1.36 / Asterisk 14.7.5. Most calls are fine, but when calling an AT&T landline that is busy, ringback tone is heard instead of the expected busy signal. An example of a failing num..