DTMF tones are not being recognized in IVR

General Help
1

FreePBX 13.0.143
Asterisk 11.14.2
SHMZ release 6.5 (Final)

Digium h/w, trunks, and inbound/outbound routes have been ruled out. Any ideas?

2

Put in the chan_dahdi.conf file the following

relaxdtfm=yes

and reboot your pbx.

3

relaxdtmf=yes

Issue resolved. Thank you.