You have received a trouble ticket stating that when callers dial the internal Help Desk queue at extension 2300, they hear a message that their calls cannot be completed as dialeD.Which two issues could cause this problem? (Choose two.)
A.
There are no agents logged in to the Help Desk queue.
B.
The script associated with the Help Desk queue is corrupt.
C.
There is a connectivity issue between Cisco Unified CallManager and the Cisco Unified Contact Center Express server.
D.
The route point for 2300 has been modified or deleted in Cisco Unified CallManager, resulting in a synchronization issue.
E.
The CSS of the route point for 2300 is incorrect.