Just select a contact and press "option + d" (or select the entry "Dial X-Lite" in Entourage's Script-Menu). The script will then present a list of all matching phone numbers for dialing.

Dialing is also supported for E-Mails: Select an Email and hit "option + d" to call the matching person.

Installation: Place the Entourage Contact Dialer for X-Lite script into the Entourage Script Directory.