AW: H.323 Fast Connect and Versioning

ernst.horvath at SIEMENS.COM ernst.horvath at SIEMENS.COM
Wed Sep 17 05:23:30 EDT 2003


Paul,
 
I still don't see why the existing version field in the t38FaxProfile isn't
sufficient and how an additional syntax2002 field would help much. 
 
If an old implementation returns an unrecognised version field, why should
it drop an unrecognised new field? So those implementations still won't
behave as expected. 
 
The only case where syntax2002 would improve things seems to be with version
0/1 implementations that understand the version field and answer incorrectly
by returning a "version = 2" field unchanged. Am I right?
 
Ernst

-----Ursprüngliche Nachricht-----
Von: paulej at PACKETIZER.COM [mailto:paulej at PACKETIZER.COM]
Gesendet am: Mittwoch, 17. September 2003 06:26
An: itu-sg16 at external.cisco.com
Betreff: Re: H.323 Fast Connect and Versioning

Anatoli,
 
So, I think the first step for T.38 is to add the syntax2002 field.
Following that, we need to go back and more clearly define versioning issues
for all sub-protocols, including T.38, V.150.1, V.ToIP, V.VBD, etc.  All of
those will present similar issues.
 
Paul
 

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