[asterisk-users] Issues with 1.8 and BlindTransfer

[Bryant Zimmerman]

Replys from Bryant

On Wed, Dec 1, 2010 at 9:44 AM, Bryant Zimmerman <BryantZ at zktech.com> 
wrote:
>> I am having issues with Blind Transfer on asterisk 1.8

>What specific version: 1.8.0, 1.8.1-rc1, SVN branch? What OS?

Verison 1.8.0, Suse 11.1

>>     If I call from one Grandstream phone to another and us the transfer 
key
>> to do a blind transfer everything works fine.
>>
>>     When calling in on a sip trunk and then trying to use the transfer 
key
>> to transfer from Grandstream phone to Grandstream phone the call just 
hangs up.

>Does the remote party (being transferred) initially hear hold music,
>then the line go silent after completing the transfer?

No the call just drops and nothing happens in the dial plan.

>Does the Grandstream show the call still on hold, but you are unable
>to pick it up?

The call just goes a way.

>Are you using Realtime and/or Direct media?
Not using Realtime. I don't think I am using Direct media. Our switch 
should be handling all of the rtp traffic

>> It did not do this on Asterisk 1.4.x or 1.6.2.x . If we use the # to
>> initiate the transfer everything works. But our customers are use to 
using
>> the transfer key on the phone. I found several bugs out there on the 
bug
>> tracker but do not see if there is any work around.  Any ideas or help 
would
>> be appreciated.

>I have been chasing a deadlock (issue #18403) on blind transfers with
>1.8SVN and have not found a work-around yet. While I can deadlock
>every time (Polycom and Cisco handsets), at least one other has
>reported different results with the Bria Softphone and Grandstream
>handsets. You could try a softphone and see if you get the same
>results as the physical phones.

I have a version of Bria I can try later today.

>-Jonathan

Bryant


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