SendDTMF( ) | Sends arbitrary DTMF digits to the channel |
SendDTMF( digits [, timeout_ms ])
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.
Returns on success or -1 on a hangup.
exten => 123,1,SendDTMF(3212333w222w366w3212333322321,250)
Read( )