asterisk users - Mar 2009 - queued?

Any idea what this means? And why they are different?


->

Extension Changed 22142[default] new state Idle for Notify User 31001
(queued)

Extension Changed 22142[default] new state Idle for Notify User 30060

->


I have googled and searched, and can't find anything on this subject.

Does anyone have an suggestions?

PaulH