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Problems with openLogicalChannel

Hello:

I want to do a videoconference between two endpoints through a gw. I choose 128 Kbps, and I have only the audio. The GK admits the call for the gw but in the openLogicalChannel phase I have this:

value MultimediaSystemControlMessage ::= request : openLogicalChannel :

{

forwardLogicalChannelNumber 3

forwardLogicalChannelParameters

{

dataType videoData : h263VideoCapability :

{

qcifMPI 1

cifMPI 1

cif4MPI 2

maxBitRate 3360

unrestrictedVector FALSE

arithmeticCoding FALSE

advancedPrediction TRUE

pbFrames FALSE

temporalSpatialTradeOffCapability FALSE

errorCompensation FALSE

h263Options

{

advancedIntraCodingMode FALSE

deblockingFilterMode FALSE

improvedPBFramesMode FALSE

unlimitedMotionVectors FALSE

fullPictureFreeze FALSE

partialPictureFreezeAndRelease FALSE

resizingPartPicFreezeAndRelease FALSE

fullPictureSnapshot FALSE

partialPictureSnapshot FALSE

videoSegmentTagging FALSE

progressiveRefinement FALSE

dynamicPictureResizingByFour FALSE

dynamicPictureResizingSixteenthPel FALSE

dynamicWarpingHalfPel FALSE

dynamicWarpingSixteenthPel FALSE

independentSegmentDecoding FALSE

slicesInOrder-NonRect FALSE

slicesInOrder-Rect FALSE

slicesNoOrder-NonRect FALSE

slicesNoOrder-Rect FALSE

alternateInterVLCMode FALSE

modifiedQuantizationMode TRUE

reducedResolutionUpdate FALSE

separateVideoBackChannel FALSE

customPictureFormat

{

{

maxCustomPictureWidth 160

maxCustomPictureHeight 120

minCustomPictureWidth 160

minCustomPictureHeight 120

mPI

{

standardMPI 2

}

pixelAspectInformation pixelAspectCode :

{

1

}

}

}

}

}

multiplexParameters h2250LogicalChannelParameters :

{

sessionID 2

mediaControlChannel unicastAddress : iPAddress :

{

network 'C191C908'H

tsapIdentifier 3233

}

dynamicRTPPayloadType 96

mediaPacketization rtpPayloadType :

{

payloadDescriptor rfc-number : 2429

payloadType 96

}

}

}

}

value MultimediaSystemControlMessage ::= response : openLogicalChannelReject :

{

forwardLogicalChannelNumber 3

cause insufficientBandwidth : NULL

}

Why I have this message? The gw sends some BRQ to the GK, and the BW for the call goes to 1,5 Mpbs.

When I choose a video call with 384 kpbs I can't not establish the call, even the audio channel.

when is my surprise when I try it with a MCU and the video goes right. What can be the difference? What can I try to see in the debugs?

Thanks everybody

Antonio

1 REPLY
Silver

Re: Problems with openLogicalChannel

The bandwidth of the video call is selected by dialing a specific GW service. In the GW -> Settings -> Advanced check the "minimum bandwidth for video call" and "default service bandwidth". These should be set for a minimum of 128k. Also GW -> Settings -> Bonding, make sure bonding is enabled.

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