I'm using my UC540 as the DHCP server.  How do i determine what devices are connected to the UC540 and what IP address is assigned to each device?thanks for your help.

I am using a UC540 with four FXO lines.  On the inbound dial plan I have directed these lines to go to a blast group.  Every few days the two mosted used lines revert to Co_line from Blast_group. I don't know why and it is driving me crazy.  I am usi...

I have an old office which has cat3 phone lines run.  Is there anyway to use cat3 with a UC540/spa303 system.Thanks for your suggestions.Chris