Send numbers in voice call

IoT Modules LTE Standard Module
1

There are services where they ask you to press a number, like a registered voice that says “press 1 to…, press 2 to…” in a voice call. How could I do that ? (eg-25g)

2

I guess you use the AT+VTS=<DTMF_string> command. Eg, to send “2”, use:

AT+VTS="2"

1 Like
3

Thanks !!!