Type: select DTMF type among five options: “ Inband”,
“ RFC2833”, “ Info+Inband” and “Info+RFC2833” according to
you need.
How to Notify DTMF: select among four options: “Disable”
“ DTMF” “DTMF-Relay” “Telephone-Event” according to your
need.
DTMF Payload: select the payload 96-127 for data transmission
identification.
Note:
Please refer to the chapter Configure DTMF Data
Transmission for the specific DTMF code setting.