Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS MGCP gateway call quality issue at a customer site. Which statement about this message is true? 

Answer options:

A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager to poll the call statistics of an active call.
B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager to poll the call statistics of a terminating call.
C. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager during a call setup.
D. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager about an active call.
E. The MGCP gateway is responding to a DLCX message from Cisco Unified Communications Manager about a terminating call.

E

DeleteConnectionused by a call agent to instruct a gateway to delete an existing connection. DeleteConnection can also be used by a gateway to release a connection that can no longer be sustained.