What are two possible causes for this issue?

In a Cisco Unified Contact Center Enterprise system, a new agent and phone have been added to
the system; however, the agent is unable to log in to the system.

The agent is using the same type of phone and has the same CTI OS desktop setup as other
agents who are able to log in without issue. What are two possible causes for this issue? (Choose
two.)

A.
The incorrect CTIOS Server IP and Port are configured on the new agent’s CTI desktop.

B.
The new phone used by the agent is not associated with IVRJtapiUser.

C.
A new Device Target needs to be added for the phone in the Config (for example,/devtype
ipphone/DN 12345).

D.
The phone has call forwarding and call waiting enabled.

E.
The new phone used by the agent is not associated with PGJtapiUser.