I have not being able to get the URL for the new logo working.........I am deploying it for a vast amount of phones.I created the desktop folder as indicated on the technical paper. But When I reset the phones, they do not pick up the logo from TFTP.

While the answer under the FAQ is:The VPN 3000 Concentrator can be placed in front of, behind, parallel to, or in the demilitarized zone (DMZ) of a firewall. It is not advisable to have the public and private interfaces in the same virtual LAN (VLAN)...