I wrote:
> Hi Tony,
> 
> > I am looking at:
> > 
> > XTRN-229 http://track.sipfoundry.org/browse/XTRN-229 and XCF-2981
> > http://track.sipfoundry.org/browse/XCF-2981
> > 
> > I have noticed issues in doing what I call a consultative transfer 
> > with Bootrom 4.0-4.1x and firmware 3.0-3.1x. I consider a 
> consultative 
> > transfer answering a call, hitting the transfer button and 
> dialing the 
> > target user station, speaking with them or waiting for 
> their voicemail 
> > to pickup and then hitting "send" to complete the transfer.
> 
> Yes, that is a Consultative transfer.
> 
> It would be an Attended transfer if, while the target is 
> ringing, you either hang up or hit "Trnsfr" again.  This 
> works OK only if the target eventually answers the call.  If 
> not, the transferee gets fast busy, instead of voicemail (XTRN-229.)
> 
> XCF-2981 hides the "Trnsfr" softkey while the target is ringing.
> Unfortunately we can't prevent the user from hanging up 
> before the target answers, which results in an Attended 
> transfer, and possibly XTRN-229.  
> 
> > I am trying to understand if this is expected behavior or 
> if there is 
> > a way to fix it, short of only using hold/dial the target/blind 
> > transfer, which is not a very effective use of button pushing.
> 
> I'm not really sure why the Attended transfer problem XTRN-229 occurs.
> But, I'll try to find out from Polycom if we can change 
> anything in sipXecs to make it work.

Polycom kindly replied to me with more details.  Basically it works on
B2BUA systems, and is known to have the same problem on at least one
other proxying system.

Looks like we're going to have to live with this until there is a
Polycom fix.  (Note that XCF-2981 helps a lot.)


-Paul
paul.moss...@nortel.com

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