A customer is unable to receive calls on the EX90 endpoint, but can made outbound calls. The endpoint uses CUCM for call and registration. If the engineer only has remote access to the EX90 and CUCM, what are the next two troubleshooting steps? (Choose two.)
A. Check CUCM to see if the extension is in a reachable partition
B. Check the EX90 System Status
C. Check CUCM to see if the endpoint is registered
D. Check EX90 DND Status via WebAdmin
E. Check CUCM to see if the endpoint has the correct Device Calling Search Space
