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Omar Abdelhalim
Beginner

6000 MXP-C60-ASA.7.0

Dear All,

Please, advise me how to solve the following issue that I am Facing with 6000MXP Profile Unit, and Also C60 Unit with ASA 7.0.

The problem as following:

1- H.323 Protocol inspected.

2- H.323 Port and Data Ports as following:

For 6000MXP:

H323 Non-Traversal Ports – F8.X Or Higher

Function

Port/Range

Type

Direction

Gatekeeper Discovery (RAS)

1719

UDP

Q.931 Call Setup

1720

TCP

H.245 Range

5555-5574

TCP

Video, Audio & Data/FECC Range

2326-2485

UDP

For C60:

H323 Non-Traversal Ports – TC2.X Or Higher

Function

Port/Range

Type

Direction

Gatekeeper Discovery (RAS)

1719

UDP

Q.931 Call Setup

1720

TCP

H.245 Range

5555-6555

TCP

Video, Audio & Data/FECC Range

2326-2487

UDP

3- Video Call done perfectly, and no problem seen bidirectional.

4- when I presented My PC, the far site did not see anything and after a few min the call disconnected.

5- when presentation done from the far site the presentation seen to me with no problem.

Please, send me your advices.


Thanks All

Omar Mahmoud

2 REPLIES 2
crisalex
Cisco Employee

Hi Mahmoud,

    Most likely a firewall inspection issue, probably not allowing 2 video channels from the codec sent  to the far end ( you will open a logical channel for audio stream, one for main video channel and then the second video channel for the data content)

   A good strating point is to take a network trace from both sides on the call ( from both endpoints) and to follow the data video stream  ( make sure the call it's placed un encrypted )

     Just out of curiosity, if you mute / unmute the video stream for the data channel ( if you stop and then resend the presentation channel) will the traffic go to the far endpoint then ?

Regards

Cristian

Hi Cristian,

Thanks For your Co-Operation..

I already did this, and the problem comes when a second source sent (when H239 runs).

what can I do on ASA to accept this behavior of H239 with H323.

please, help me how to solve this issue.

Thanks

Omar

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