Ringing() — Indicates ringing tone
Requests that the channel indicate ringing tone to the user. It is up to the channel driver to specify exactly how ringing is indicated.
Note that this application does not actually provide audio
ringing to the caller. Use the
Playtones() application to do this.
; indicate that the phone is ringing, even though it isn't exten => 123,1,Ringing() exten => 123,2,Wait(5) exten => 123,3,Playback(tt-somethingwrong)