Simon
I can see following sequence of packets with
sniffer:
me -> T1000 : masterSlaveDetermination : terminalType
50
T1000 -> me : masterSlaveDetermination : terminalType 50
me ->
T1000 : masterSlaveDeterminationAck : descision slave(1)
T1000 -> me :
masterSlaveDeterminationAck : descision master(0)
Am I understand you
right that T1000 says that he is master, however don't discharge master's
obligations correct ?
May be Assert should work only in debug? But in
release in this case h323plus should just reject such RTP session (with
incorrect sessionID) ?
Igor
28 ÄÅËÁÂÒÑ 2009 Ç. 16:47 ÐÏÌØÚÏ×ÁÔÅÌØ Simon Horne
<s.horne@packetizer.com>
ÎÁÐÉÓÁÌ:
Igor
š
The
problem you are having with the Tandberg T1000 is a tandberg bug. The endpoint
cannot properly renegotiate the OLC on a master/slave conflict.šThe
H323plus endšadvises the T1000 that it isšmaster however the
T1000šignores it causing the conflict.šTandberg may have
ašfirmwarešupdatešto correct the problem.
š
Simon
Sent: Monday, 28 December 2009 11:07 PM
About H.264 plugin - actualy I have 3rd party static library for
H.264 encoding/decoding and use H264 plugin as wrapper to connect library to
h323plus. I don't think anyone has interest of half working plugin without
static library...
28 ÄÅËÁÂÒÑ 2009 Ç. 15:57 ÐÏÌØÚÏ×ÁÔÅÌØ Simon Horne
<s.horne@packetizer.com> ÎÁÐÉÓÁÌ:
Igor
š
The
problem is caused by an master/slave conflict when first opening the audio
channel which results in the OLC beingšrejected. The correct
processšis to renegotiate the OLC. It appears that the T1000 cannot
properly renegotiate the OLC and incorrectlyšallocates an
invalidšsessionID of 0 which causes the assert and behavioršyou
highlighted.
š
I also
see you are using a modifiedšand working H.264 plugin and have decided
not to contribute any of that workšback to the project. This is a
pity.
š
Simon
š
Sending log.
T1000 in most cases after Reject sends OLC with
sessionID=0, and in less cases send OLC with sessionID from 32 up to 53
(increase 1 after each reject).
2009/12/28 Simon Horne
<s.horne@packetizer.com>
Igor
š
Session ID should never be zero. This is clearly an error
coming from the T1000 unit.
š
Can
you post a level 6 trace showing the condition the T1000 sends an OLC with
sessionID = 0
š
Simon
Hi.
I have problem when I reject OpenLogicalChannel
(audio) while communicating with Tandberg T1000.
In most cases Tandberg
send me OpenLogicalChannel again with sessionID=0 so my application falls
in assertion
in file rtp.cxx line 760 :
PAssert(id > 0 &&
id < 256, PInvalidParameter);
I could not find valid value range
for sessionID, but I don't like when application crashes in this case
:(
What can I do in this situation?
Igor
Pavlov
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