Hangup notification sound

Question

Background

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My client uses a Asterisk 1.6 based PBX telephone system as their call center solution. They use a soft phone application to pick up all calls from the inbound queue.

To reduce their work load, the soft phone application they use has a auto answer feature that the application can automatically pick up the call. To let the agent know there will be a call incoming, there is an Asterisk function called "Agent Announcement" that I can choose a custom prompt and play it before the call begins.

Issue (Question)

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How can I program to play another custom prompt when the other party hangs up the call?

A (SIP Extension) <-> B (Customer)

If A hangs up the call first, there is no need to play a sound and notify B and it doesn't seems to be able to do that. But if B hangs up the call first, when Asterisk detected it, it should execute the hang up process. I want to play the custom prompt between the detection and the hang up process. Is it able to accomplish this? Thank you.

What I have done

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I have tried to insert a Playback command above the line of Hangup() like:

[queue-688]
exten = 688,1,Answer()
exten = 688,n,Set(orgincallername=${CALLERID(name)})
exten = 688,n,Set(CALLERID(name)=${IF($[${ISDNISMATCHED} = 1]?${CALLERID(name)}:${CALLERID(name)}(TestQueue))})
exten = 688,n,NoOp(no set join announce)
exten = 688,n,Queue(queue-688,tTkKXx,,,30)
exten = 688,n,Set(CALLERID(name)=${orgincallername})
exten = 688,n,Playback(Beep) // This is where I put
exten = 688,n,Hangup
exten = fax,1,Goto(detect-fax-to-email,s,1)

But unfortunately, no Beep sound was heard.

Answer 1

Please try c option for Queue app

c — continue in the dialplan if the callee hangs up (Asterisk 1.6.0 and above).

Something like this:

exten = 688,n,Queue(queue-688,tTkKXxc,,,30)

http://www.voip-info.org/wiki/view/Asterisk+cmd+Queue