RE: Interoperability Issues

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Hi Michael, Thanks for answering...

My question is if this can or should be applied to gnugk like some
autosensing feature without having to guess why your calls get disconnected
when dealing with non v4 complient endpoints under certain circumstances.
( tunneled)

I have made my fix but outsite gnugk and simply would like to know if it can
be more transparent and for everyone who is using gnugk. After all is looks
like a backward compatability problem to me.

Tjapko.


-----Original Message-----
From: openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx
[mailto:openh323gk-users-admin@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of
Zygmuntowicz Michal
Sent: Jueves, 26 de Febrero de 2004 10:22 p.m.
To: openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
Subject: Re:  Interoperability Issues


That's not related to the terminalCapability set. You need
to set Facility body to empty for V1,2,3 endpoints (some work
without this, some does not) when sending H.245 tunneled
messages. The V4 recommendation requires the body
to carry Facility_UUIE with reason code set to transportedInformation.
The problem is that some older endpoints receiving Facility
with non-empty body think it is a call redirection.

----- Original Message -----
From: "iTS Consult@ncy" <itsc99@xxxxxxxxx>
Sent: Thursday, February 26, 2004 3:45 PM


> I experienced similar problems and posted this a while ago and I think it
is
> coming from a H323 protocol mismatch between version 2 and 4. I am not
> really sure about this.
>
> Bottom line: If you can hack into the code than be sure that you replace
the
> empty with a facility or the facility with an empty TerminalCapabilitySet
> message to make it all happen.
>
> I have found this in the ITU h323 manual as a change in the latest v4
h323
> protocol and they mention that there are problems with backward
> compatibility.
>
> Unfortunately I am not a coder myself just a dumpanalyser so if you can
> solve this issue than build it into the gnugk.
>
> Tjapko.



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