6000 MXP-C60-ASA.7.0

[Omar Abdelhalim]

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

[crisalex]

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

[Omar Abdelhalim]

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