[outboundmsg1]
exten => s,1,WaitForSilence(200,7)
exten => s,2,WaitForSilence(500,1)
exten => s,3,Background(temp)         ; "play outbound msg"
exten => t,1,Hangup





<sample.call>
Channel: IAX2/proggod@teliax/3036298354
MaxRetries: 1
RetryTime: 60
WaitTime: 300
Context: outboundmsg1
Extension: s
Priority: 1




<cli>
    -- Attempting call on IAX2/proggod@teliax/3036298354 for s@outboundmsg1:1 (Retry 1)
    -- Call accepted by 204.188.109.139 (format GSM)
    -- Format for call is GSM
       > Channel IAX2/teliax/3 was answered.
    -- Executing WaitForSilence("IAX2/teliax/3", "200|7") in new stack
    -- Waiting 7 time(s) for 200 ms silence
    -- exiting with 200 silence > 200 required
    -- exiting with 200 silence > 200 required
    -- exiting with 200 silence > 200 required

*CLI> Dec 15 23:11:33 WARNING[59255]: app_waitforsilence.c:74 do_waiting: One waitfor failed, trying another

*CLI> Dec 15 23:11:35 WARNING[59255]: app_waitforsilence.c:78 do_waiting: No audio available on IAX2/teliax/3??
    -- Executing WaitForSilence("IAX2/teliax/3", "500|1") in new stack
    -- Waiting 1 time(s) for 500 ms silence
    -- Hungup 'IAX2/teliax/3'
Dec 15 23:11:35 NOTICE[59255]: pbx_spool.c:244 attempt_thread: Call completed to IAX2/proggod@teliax/3036298354