I made reset phone. This is debug message know 10:22:48am,04/23/15] DeviceName=SEPB07D47D1607B DeviceIPv4Address=10.94.33.92/26 IPv4DefaultGateway=10.94.33.65 DeviceIPv6Address= IPv6DefaultGateway= ModelNumber=CP-7821 NeighborIPv4Address=10.16.67.15 ...

This is debug from 7821 webface 10.94.0.121 - CUCM 10.255.16.51 - CME router [01:37:53a,12/04/15] DeviceName=SEPB07D47D1607B DeviceIPv4Address=10.94.33.92/26 IPv4DefaultGateway=10.94.33.65 DeviceIPv6Address= IPv6DefaultGateway= ModelNumber=CP-7821 N...

I pass cnf file from CME router. I have changed a file and copy it to router. I did not take trace. I don't know how ... Sorry

I try to reg it as third-party. All settings in CUCM are correct, because endpoints like Linksys PAP2 are work fine, they regs like third-party sip.