I have connected vg248 across wan and tried to register it with CCM. I have enabled the DHCP option on VG248 and could not get the ip address assigned to it. I have other phones on the same subnet and they could register and get DN. IP help-address is configured and could ping the CCM and also from CCM to VG248 Connected voice ethernet subinterface.
Also, Auto registeration is enabled on CCM and tried adding manually via last 10 digits of MAC address as vg248 gateway.
The VG must be added manually, it will not Auto-Register. Here is the info assigning a Static IP etc;
Assigning a Static IP Address
Rather than using DHCP to obtain an IP address, you can assign a static IP address to the VG248. You can also change any of these settings even if you are using DHCP in your network. To assign a static IP address, you must manually assign several network settings
I did add VG Phones with DNs but their status is unknown. Also, just correction, you can have DHCP enabled on VG248. On DHCP server, you can make reservation with VG248 mac address so that each time it has the same IP address.
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