[asterisk-users] Blind Transfer Connected

[Nikhil]

Hi
     Below is the comment that written in 
chan_sip.c(handle_request_refer) file of asterisk .In RFC also mentioned 
that if blind transfer failed call should connect back, some of phones 
support this(If received refer) like cisco,polycom and etc.

\par Blind transfers
         The transferor provides the transferee
         with the transfer targets contact. The signalling between
         transferer or transferee should not be cancelled, so the
         call is recoverable if the transfer target can not be reached
         by the transferee.

         In this case, Asterisk receives a TRANSFER from
         the transferor, thus is the transferee. We should
         try to set up a call to the contact provided
         and if that fails, re-connect the current session.
         If the new call is set up, we issue a hangup.
         In this scenario, we are following section 5.2
         in the SIP CC Transfer draft. (Transfer without
         a GRUU)



In asterisk comment is written correct but it is not working.

Thanks
Nikhil

On 07/05/2011 09:44 PM, Kevin P. Fleming wrote:
> On 07/05/2011 01:54 AM, Olivier wrote:
>>
>>
>> 2011/7/5 Nikhil <d.nikhil at cem-solutions.net
>> <mailto:d.nikhil at cem-solutions.net>>
>>
>>     Hi all
>>         In asterisk if blind transfer failed ,call is not connecting 
>> back .
>>
>>     For Eg:
>>         A make call to B through asterisk,then B transfer the call to C.
>>     If C did not answer the call ,A  and B Call should connect back.
>>
>> IMHO, blind tranfer definition is to NOT connect A and B back
>
> That is correct, and is why it's called a 'blind' transfer; the 
> transferring party does not know or care what happens to the call 
> after effecting the transfer.
>

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