| Exam 300-075 | Question id=2929 | Implement Video Mobility Features |
In a Centralized Call processing architecture, you have deployed Extension Mobility (EM) feature. After the deployment of EM, when one of the end-users tries to login to the IP phone, the Error 25 is displayed on the screen. What three things should you do to resolve this issue?
| A. |
upgrade the firmware of the IP Phone to the latest version | |
| B. |
activate EM feature service under Cisco Unified Serviceability | |
| C. |
associate EM Device profile with the end-user | |
| D. |
subscribe the MAC address of the IP Phone to EM Service | |
| E. |
update EM Phone Service URL to point to the publisher | |
| F. |
subscribe device profile to EM phone service in case the enterprise subscription of EM Service is disabled |