RE: MGC IP address change

MG need not to inform the old MGC in this case.
The new MGC would audit MG to determine existing calls and take
appropriate action. 

Thanks
Rajesh

-----Original Message-----
From: John Wainwright [mailto:[email protected]] 
Sent: Tuesday, January 22, 2008 8:50 PM
To: Schwarz Albrecht; [email protected]
Subject: RE: [Megaco] MGC IP address change

Would the MG inform the original MGC via something like the "Forced"
method or should it just communicate to the new MGC.  
In theory calls set up via the old MGC could be in progress although
switching to the new MGC would have to result in them being torn down I
presume.  In this case would it be incumbent on the MG to inform the old
MGC of what's happening such that he can clean up termination data from
his end?

Regards
John

-----Original Message-----
From: Schwarz Albrecht [mailto:[email protected]]
Sent: Tuesday, January 22, 2008 8:25 AM
To: John Wainwright; [email protected]
Subject: RE: [Megaco] MGC IP address change

John,

guess your scenario may be addressed with ServiceChangeAddress (and also
ServiceChangeMgcID) parameters.

Draft H.Sup7 provides information about IP interface *re-direction*
("your scenario may be mapped emulated as re-direction IMHO"):

The output draft of our present Q.3/16 meeting will be available
tomorrow afternoon (under following URL):

http://ftp3.itu.int/av-arch/avc-site/2005-2008/0801_Seo/TD-35.zip

TD-35
Updated Draft ITU-T H.Sup7 "Gateway Control Protocol: Establishment
Procedures for the H.248 MGC-MG Control Association" (Ed. 0.14)

Regards, Albrecht

> -----Original Message-----
> From: John Wainwright [mailto:[email protected]]
> Sent: Montag, 21. Januar 2008 20:16
> To: [email protected]
> Subject: [Megaco] MGC IP address change
> 
> We have a situation with an MG connected/communicating to an MGC and
the
> management entity controlling the MG changes the IP address of the
MGC.
> The request is to 'fix' the association so that our MG is now talking
to
> the new MGC.
> My question is what details should go into the SVC message to the old 
> and new MGCs to resolve this?  The 'handoff' method seems to be used
as
> part of an MGC directed change but in this case it is more of a mgmt 
> entity/MG directed change.  Any thoughts?
> 
> Thanks
> John
> 
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