I have a UC-520 which has be in operation for over a year. Over the weekend the system can no longer be accessed via the vlan1 interface IP.  This has resulted in not being able to access the service provider (SIP). I can connect via console and revi...

I have an installation with three sites, connected via VPN, each with a UC-520 and using SIP service.  The headquarters handles all incoming calls and the desire is for the other two sites to have the HQ's phone number displayed as the outbound calle...

I am sure this is a basic, elementary networking issue but I cannot get my head wrapped around the problem. My network is 10.0.0.0 Netmask 255.255.255.0The UC-520 is 10.0.0.2.  The phones are 10.1.1.0 Netmask 255.255.255.0. I can access the CCME at 1...