"Inter-Tel, Inc is the copyright owner of the Inter-Tel, Executone, and Isotec telephone system manuals and the Inter-Tel, Executone, and Isotec Trademarks.  Inter-Tel, Inc. reserves all rights in its Trademarks and Copyrights.  Quick Manuals is an autorized Inter-Tel Licensee.  Reproduction and distribution is pursuant to a license agreement between Quick manuals and Inter-Tel, Inc 2002."