Hello! my extensions.conf contains following records: exten => 104,1,SetCallerID(1234567890) exten => 104,2,Dial(OH323/xxx.xxx.xxx.xxx) exten => 104,3,Hangup exten => 104,104,Hangup I need Asterisk to dial DTMF sequence after H323 device is on-hook. I know there is SendDTMF function. How I can apply it for that?