Working as a team, the Project Manager has just finished programming the agents in the PBX, while technician configured

[answerhappygod]

Working as a team, the Project Manager has just finished programming the agents in the PBX, while technician configured them in Avaya CallPilot. When Avaya
CallPilot hoots into service, all channels come up except for one. Prior to the replacement of hardware, it is decided to look into the Event log. Which event below gives a possible clue us to what the problem is?

A. Dialogic Event Management system initialization failed.
B. IMA received a disk full event.
C. Event from Blue Call Router: All Port Busy Indication.
D. TN/DN mismatch.