[Asterisk-Users] attended transfer issue

[Eric "ManxPower" Wieling]

John Novack wrote:
> 
> 
> Eric "ManxPower" Wieling wrote:
> 
>> John Novack wrote:
>>
>>>
>>>
>>> Damon Estep wrote:
>>>
>>>> There is some kind of issue with SIP transfer interaction between 
>>>> some SIP phones and asterisk, I have personal experience with 
>>>> Polycom phones not being able to do a blind xfer using the feature key.
>>>
>>
>> Our receptionist does both blind and attended transfers with Polycoms 
>> all the time.  In later versions of the Polycom SIP firmware: Attended 
>> transfer: while on a call press the Transfer key, dial the 
>> destination, talk, then press the transfer key again.  For Blind: 
>> while on call, press transfer key, then the Blind key, dial, hangup.
> 
> All well and good, but that is awkward.
> The point is/was that doing a transfer, talk or not, transferee answer 
> or not, the transferer should be able to hang up and the call NOT get 
> lost, the transfer complete and ring then overflow to voice mail.
> Easier on ALL users and the way hybrid systems have worked for many a year

This is just the way Polycom does transfers.  Older versions of the 
Polycom firmware worked as you describe.  I think it was in 1.6.x where 
they changed things to separate blind and attended transfers.  It really 
has nothing to do with Asterisk at all.