Re: [Openh323-devel] Opal - Tandberg compatibility
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From: openh323-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:openh323-devel-bounces@xxxxxxxxxxxxxxxxxxxxx]On Behalf Of chris.golas@xxxxxxxxxxx
Sent: Wednesday, 5 September 2007 8:55 PM
Subject: [Openh323-devel] Opal - Tandberg compatibilityGood Morning all,I've been doing some testing with Opal - specifically with the SimpleOpal application, and have found a problem connecting to Tandberg (model 880). It seems if I set up a call between the two endpoints, I don't get video displayed on the Tandberg. I get video from the Tandberg to SimpleOpal, but not the other way around. After about 33 seconds, the Tandberg displays a message - "Temporary network failure", and the call drops. It doesn't matter whether the call is out-bound, or in-bound, the behavior is the same.I've tried 3 different version of the Opal code; v2.2.2, v2.2.4, and v2.3.1. and they all exhibit the same behavior. I am building and running on Windows XP with Visual Studio 2005. This is the first H.323 endpoint I have seen this issue with. I've successfully connected to several different Polycoms and Netmeeting endpoints without issue.I did a bit of digging, and I've seen a compatiblity issue mentioned in the list archive by Craig Southern and Simon Horne about the ASNParser and the videoBadMBsCap flag in the capabilities. But I didn't see what the symptoms of this issue were. Is this the same issue?One more piece of information; I enabled logging on the Tandberg during the failed calls and see a message "eventHandler Unknown mediatype 0" repeating over and over - at roughly the video frame rate.Does any one have any information on this issue? A cause, a workaround? Any help would be appreciated.Thanks.
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