Sends the specified DTMF digits on a channel. Valid DTMF digits include 0–9, *, #, and A–D. You may also use the letter w as a digit, which indicates a 500 millisecond wait. The timeout_ms argument is the amount of time between digits, in milliseconds. If not specified, timeout_ms defaults to 250 milliseconds.

          exten => 123,1,SendDTMF(3212333w222w366w3212333322321,250)
        

See Also

Read()