Ajax wants to ensure that their employees are safe and that they comply with the law. What are four general E911 responsibilities of an enterprise telephony system? (Choose four.)

A.
Enable PSAP call-back.

B.
initiate the update of ALI records.

C.
Provide a detailed map of all ERLs.

D.
Allow conferencing with internal security personnel.

E.
Route calls to the appropriate point (on-net or off-net).

F.
Deliver appropriate calling party number digits to LEC