Forum Discussion
Thousands of patients with T-Mobile unable to use our IVR (DTMF tones not transmitting, requires multiple calls)
I work for medical clinic with about 600 users. For almost 2 years now, we have been having issues where wireless callers from T-Mobile/Mint/Metro PCS and all of their MVNOs, have the inability to ...
I just came across this issue today. It only affects calling from T-Mobile and Metro to a Spectrum/TWC PRI. I can call a Spectrum/TWC SIP trunk and DTMF is detected by the IVR (CUXN), but not on calls to the PRI. I have 3 that I tested. I have a ticket open with both vendors.
