I have configured Cisco Unified MeetingPlace Express Phone View, in the Meeting Place Express, following the stepavailable in the guide: http://www.cisco.com/en/US/docs/voice_ip_comm/meetingplace_express/2_0/english/user/guide/ipphone.html#wpxref98248
And this message is showed in the Cisco IP Phone:
You have been idle too long and your session has timed out. To continue using MeetingPlace Express, you must restart your session. Press exit and restart the application.
The troubleshooting available in this page:
Dont resolve my problem.
Meeting Place express: 2.0
Call manager: 6.0