asterisk users - Jul 2005 - Playtones not passing sound to incoming SIP connection

Hi everyone,

I'm in the very early stages of rolling out an asterisk box at work, and one
of the things I'm setting up is a trap for telemarketers >;)

What I want to do is have a sipgate number in the UK here which rings for 10
seconds without calling a hard or softphone, then goes to a voicemailbox. 

The problem I'm having is that Playtones doesn't seem to be sending any
sound to the incoming SIP connection. I have added the following to my
[incoming_sipgate] context (which has two other sipgate numbers in there
which both work for incoming and outgoing calls), and on the console I can
see all the lines being executed.

  exten => SIPGATEID,1,Wait,1 
  exten => SIPGATEID,2,NoOp(--- ${CALLERID} calling on Telemarket Divert
Sipgate (${EXTEN}) ---) 
  exten => SIPGATEID,3,Answer
  exten => SIPGATEID,4,Playtones,ring
  exten => SIPGATEID,5,Wait,10
  exten => SIPGATEID,6,StopPlaytones
  exten => SIPGATEID,7,Voicemail(666) 
  exten => SIPGATEID,8,Hangup

When dialing in via the PSTN number, or from a remote SIP softphone however,
the ten seconds which whould be the Playtones is silence. When the voicemail
kicks in, I can hear the announcements, and leave a message, so I don't
think it's a ports problem. For the playtones line, I have also tried
"exten
=> SIPGATEID,5,Playtones(ring)" but doesn't seem to make any
difference.

Internally, I set up an extension (in my [default] context - I should have
an [internal] one, I know, ;-P ) with the same commands:


  exten => 6613,1,Wait,1 
  exten => 6613,3,Answer
  exten => 6613,4,Playtones,ring
  exten => 6613,5,Wait,10  
  exten => 6613,6,StopPlaytones
  exten => 6613,7,Voicemail(666) 
  exten => 6613,8,Hangup

And when dialing 6613, I get ten seconds of ringtone, then to the
answerphone as expected. There is a difference in the two, in that the
sipgate one has the NoOp line in, but I initially tried the 6613 extension
with that line in (I removed it for ease of differentiation in the console).

Anyone got any ideas on this one? The fact that I can hear the voicemail
announement and leave a message has really thrown me. Maybe I'll just have
to create a .gsm recording of the ringer and use a Playback instead.

Cheers in advance,

Mat




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