If company want to use Group calander control for MS CRM see this

http://www.crmxperts.com/Products/GroupCalanderofMSCRM40/tabid/77/Default.aspx

Regards,
Imran

MVP CRM https://mvp.support.microsoft.com/profile/imran.mustafa

MSN : mscrmexpert@gmail.com

SKYPE : mscrmexpert

BLOG : http://microsoftcrm3.blogspot.com