[asterisk-users] 2B Channel Transfer on XO-based T1

Matthew Fredrickson creslin at digium.com
Thu Apr 23 12:06:22 CDT 2009


Don Kelly wrote:
> Someone referred to a facility message when the TBCT call is "torn down."
> There are actually two messages--when the PSTN switch takes back the calls
> and completes the transfer, it sends a facility message including a unique
> ID. Then, when one of the parties disconnects, the switch sends another
> facility message with the same unique ID. This would provide information to
> complete the CDR record. Now that there seems to be some interest in TBCT,
> is someone interested in handling these two facility messages to update the
> CDR?

Unfortunately, when I implemented this code I did not add support for 
this feature since it would probably have required some core changes to 
do so.  So right now, we simply ignore that message and go about our 
merry way.

Matthew Fredrickson
Digium, Inc.

> 
> --Don
> 
> Don Kelly
> 
> PCF Corp
> People Come First
> 651 842-1000
> 888 Don Kell(y)
> 651 842-1001 fax
> 
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Kevin P.
> Fleming
> Sent: Wednesday, April 15, 2009 9:58 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] 2B Channel Transfer on XO-based T1
> 
> Philipp Kempgen wrote:
> 
>> Could somebody shed some light on why PRI_2BCT is not enabled by
>> default? Is it an experimental feature?
>>
>> I'd like to compile stuff without patching defines. :-)
> 
> It's not enabled by default because when it is used the Asterisk server
> loses control of the call and the CDR becomes incomplete. Not everyone
> wants that behavior.
> 




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