That would require some custom VBA code. For an example, see http://www.outlookcode.com/codedetail.aspx?id=566

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> How can the contact name and phone number be inserted automatically in the
> subject line when scheduling appoinntments in Outlook 2003?