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 ...
DTMF works for me unless for some reason I am on wifi calling. Try turning off wifi calling and see if that works.
