Video Problem P2P

[cavagnaro]

Hi guys
I'm facing an issue at customer site...we left some time ago TW working and they left it because of MS solution. Now they are asking to make it work again and did the last upgrade. However now P2P video doesn't work...all what happens is a flash on the IE window and then nothing, just a black screen.

On the Wireshark traces I see only:
1. ICMP Destination unreachable (but I can ping the server...)
2. The firewall has no rules for this networks, so no blocking ports at all
3. I see for H264:
3.1 NAL unit - coded slice of a non-IDR picture
3.2 Mark NAL unit - coded slice of a non-IDR picture

But have no clue on point 3 if that is ok or not, on Internet they reference to a payload (G.726-32 Payload Type 97 and RFC2833 Payload Type 101) but nothing too helpful...

Any ideas on what can be wrong? Does TW blocks ICMP ports by some reason and because of that maybe the video client doesn't work??

Thanks for any help or ideas you may have

[charpdy]

Which IE version are you running.

Remember TW not compatible with IE9

[cavagnaro]

No, IE 7 and 8 have been tested.

[sitig]

Hi Cav

Could it be your proxy? Are you using OXE as your proxy?

[cavagnaro]

No, don't think so, used OXE and TW as Proxy and same behaviour. Found that no matter what Video RTP port I set up on TW user configuration I still get the ICMP message...(can't connect to port)

[sitig]

Cav, is that happening to both audio and video?? I had a problem where by the audio is flowing but the video cannot be connected. I used a DAS rule and removed any default proxy settings.

[cavagnaro]

No, audio is fine, my problem is video only

[sitig]

Cav, have you fixed the issue? Have you switched on SIP Digest on the OXE? In my case, once I switched this off, both the video and audio works. When SiP Digest was switched on, the video call was degraded to audio call. That was why I used the DAS rule, because I need my SIP Digest to be activated.

[cavagnaro]

Just tested with XLite and it does work perfect with that. So I think it has to be or:
1. TW video client for IE
2. Settings used to register

for (2) will do a trace about the register of each client and do the comparison vs the ok and the ko

Will let you know

[alex]

Hi cav
Just for the records - which exact OS(XP, Vista, 7, x64 etc) and IE (7, 8, 9) are used?