To use GroupWise to access Cisco Unity Connection voice messages, create and configure a new GroupWise account for the user. You will need the following information:

Connection alias

Connection user name

Cisco Personal Communications Assistant (PCA) password (if you are an administrator, this is the web application password that is set on the User pages in Cisco Unity Connection Administration.)

The IP address or (if DNS is configured) the fully qualified domain name of the Connection server.

http://www.cisco.com/en/US/docs/voice_ip_comm/connection/7x/user_setup/guide/7xcucus030.html#wp1050298