To Log in use the follow url:
http:///emapp/EMAppServlet?device=#DEVICENAME#&userid=&seq=
To Log out use the following url:
http:///emapp/EMAppServlet?device=#DEVICENAME#&doLogout=true
Note:
= IP Address or DNS name of Call Manager
#DEVICENAME# = The Mac Address of the phone
= Call Manager User ID
= users pin