[Asterisk-Users] attended transfer issue

[Mike Dawson]

I believe this bug is independent of handset and though I've only come 
across it with SIP I think it affects all channels too.  The transfer 
method is that defined in features.conf.

Mike

Tong wrote:
> Are you using a cisco 7960 with POS 8.2?
> 
> ----- Original Message ----- From: "Mike Dawson" <mdawson at totton.ac.uk>
> To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
> <asterisk-users at lists.digium.com>
> Sent: Wednesday, July 19, 2006 2:31 AM
> Subject: Re: [Asterisk-Users] attended transfer issue
> 
> 
>> Thomas Artner wrote:
>>
>>> A few months ago I needed some help for the following issue:
>>>
>>> .) a call comes in
>>> .) Person A takes the call and does an attended transfer to Person B
>>> .) Person A hangs up the phone without waiting for Person B taking 
>>> the call
>>> .) the caller get lost at this point !!
>>
>> I've just come across this issue too.  As the call gets hung up if the 
>> transfer is attempted before answer I tried changing this:
>>
>> exten => _90ZXXXXXXXXX,1,Dial(zap/g1/${EXTEN},,TW)
>>
>> to this:
>>
>> exten => _90ZXXXXXXXXX,1,Answer
>> exten => _90ZXXXXXXXXX,n,Dial(zap/g1/${EXTEN},,TW)
>>
>> So the call is 'answered' in one sense before it starts ringing.  I've 
>> only tested it on a zap channel so far but it seems to fix it.  Unless 
>> this is how Answer() is supposed to be used, I'm not sure then it's a 
>> bit of a dirty hack and I don't know what else it might break.
>>
>> I'm not back in the office until next week so can't test my brainwave 
>> out fully.
>>
>> Mike
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