<customer-id> is customer ID from COM. This is shown on the customer list view that includes the system. See Viewing the Customer List.
<system-name> is the optional non-primary IP Office system name to or through which, the connection is needed. The system names are shown in the customer system details (see Viewing the Customer System Details). Needed for
<co-located-server-ip-address> is the IP address of the server co-located with the IP Office through which you are connecting. A tunnel must also be configured in the IP Office configuration (see Creating Tunnels for Remote Servers and Services).
<com-domain> is the domain part of the address normally used to connect to COM, prefixed with maint. For example, if you normally connect to COM using admin.example.com, for remote support use maint.example.com.
<remote-port> is the port required on the remote server.
/<required-path> is the optional path to the page required on the remote server.