[Asterisk-Dev] delayed sip answer

Mark Willis markslists at marky.nu
Sun Sep 25 10:37:28 MST 2005


Suppose I had a SIP FXO that sent the 200 OK immediately after dialling, 
and no way to do call progress. But I need to not send answer 
supervision to my carriers until the call is really answered. Short of 
detecting "hello, hello" the best way to handle it seems to be to delay 
the answer supervision for about 20 seconds and rely on early media 
should the call be answered before then.

So, is there a way with asterisk to delay sending the answer back to my 
carrier? i.e, the 200 OK comes in from the FXO but I "queue" it for 20 
seconds before sending it onward. Any ideas?

Mark




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