Yes it support. You won't find compatibility matrix as I think. You need to add them in CUCM as 3rd party sip phones. ... View more

DPD si used to detect peer status. Without DPD declaring that peer is dead, the router has to wait for SA to expire. The time to failover to 2nd can be tweaked by tweaking DPD timers and retries. Also, DPD will detect regardless of the initiator. ... View more

can you explain the scenario ... View more

Try to reset the security settings on the phone to delete ITL ... View more

If you don't have ADSM or API access to the unit, you won't be able to take a backup. This means that you have to loose your config as you can't restore it. If you have the config offline (example on your machine as text file), then you can recover the unit, copy the file from your machine to flash then restore the config. ... View more

Check if multiple setup messages are being received which is triggering the loop Most likely with each setup cucm is trying hunt-pilot as new attempt which seems to be a loop. ... View more

How they calls are coming from from TF to CUCM? Is its through a SIP trunk. You need to check if CUCM is getting multiple setup requests and processing them which is causing the loop or it is single setup message. ... View more

I haven't seen a restriction about the browser to be used. I would assume yes. ... View more

I am sure you checked it but do you have the CSS of 8851 able to access park DNs pt ... View more

I don't see any attachment ... View more

Can you get the output of the following show policy-firewall session platform tcp destination-port 80 detail show policy-firewall config platform ... View more