[cisco-voip] VT Advantage issue

[Ryan Ratliff]

It's not a matter of a known working phone or not, it's your PC being able to connect to the phone it sees via CDP on that port.  That's required for the CAST connection and it sounds like something is blocking it.

-Ryan

On Feb 23, 2012, at 8:59 AM, Erick Wellnitz wrote:

I can't telnet to a known working phone on 4224.  The connection is refused.

On Wed, Feb 22, 2012 at 2:04 PM, Ryan Ratliff <rratliff at cisco.com> wrote:
Can you telnet from the PC to the phone's IP address on port 4224? 

If AnyConnect is blocking the outbound connection then it won't show up in a packet capture.   You can also get a problem report from VTA on the PC and look to see what errors it throws.

-Ryan

On Feb 22, 2012, at 2:27 PM, Erick Wellnitz wrote:

The access port of the phone shows that CVTA is the CDP neighbor with the address of the PC.

On Wed, Feb 22, 2012 at 12:00 PM, Erick Wellnitz <ewellnitzvoip at gmail.com> wrote:
Another strange one...
 
I have some users who have Video Advantage cameras and software.
 
One of them reports (and I have verified) that after receiving the Anyconnect client, the VT Advantage software can no longer recognize the phone is connected.  There is no attempt to by the VTA software to contact the phone or the phone to contact the VTA software according to the cature I did.
 
On a PC without the Anyconnect client if I disable video on the phone VTA still recognizes a phone exists and I see the appropriate traffic attemptign to establish the CAST connection.
 
I do not have authority to remove the Anyconnect client.
 
Anyone seen this behavior before?  As always, any ideas are appreciated.

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