Which statement about this message is true?

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?
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.

Answer: E

Explanation:

DeleteConnection – used 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.