Blackberry CLIENT FOR USE WITH MICROSOFT OFFICE LIVE COMMUNICATIONS SERVER 2005 2.5.40 - RELEASE NOTES Release Note page 6

Release Notes
Users with BlackBerry Device Software 6.0 could not add a contact using the lookup feature. (DT 354676)
A blank error message appeared when a user sent a message in a conference that all of the participants had already left. (DT
353462)
4
Fixed issues