Meaning of sendDTMF("#") command


What is the meaning of sendDTMF("#") command ?



Type “core show application senddtmf” at the Asterisk CLI prompt, although the meaning should be obvious.

My first question is do you know what it is a DTMF ?

Dual-tone multi-frequency signaling (DTMF) is used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center.

So it is obvious that SendDTMF() Sends arbitrary DTMF digits … n_SendDTMF