Idle

The trunk is waiting for a call.

Seized

The trunk is seized by an incoming or outgoing call.

Queued

An ACD caller has the trunk and is waiting for the agent to answer.

Conn

The agent and caller are connected in an ACD call.

Abandoned

The queued caller has just abandoned the call.

Fwrd

A queued call has been intraflowed outside the ACD or has been interflowed to another PBX or communication server.

Mbusy

Maintenance busy or out of service for maintenance purposes.

Hold

The agent has put the call on hold.