When you first create Extension Mobility for the IP Phone Service Page, the "Enterprise Subscription" option will appear. Leave the "Enterprise Subscription" option unchecked and check the "Enable" option. Once you complete the rest of the setting fo...
When I had this problem, I had a static route to my loopback ip address with the gateway ip address of a connected interface which was incorrect. Check your configuration in the "show run" and look for the "ip route" commands near the bottom of the "...
