1 June 2010 Xerox WorkCentre 7120 Fax over Internet Protocol (FoIP) ® WorkCentre 7120 Fax Kit Thank you for choosing the Xerox WorkCentre 7120. Table of Contents Introduction. 4 Overview - FoIP. 4 What is T. 4 What is SIP?. 5 Before you Begin. 5 How to Set Up FoIP Environment. 7 Enable Fax at the Device. 7 Configure T. 38 Protocol (VoIP Gateway). 8 Configure SIP Protocol. 8 Create a VoIP Gateway. 9 Additional Information. 10 Copyright ©2010 Xerox Corporation. All Rights Reserved. Unpublished rights reserved under the copyright laws of the United States. Contents of this publication may not be reproduced in any form without permission of Xerox Corporation. Xerox® and the sphere of connectivity design are trademarks of Xerox Corporation in the United States and/or other countries. Document version 1. 0: June 2010 3 WorkCentre 7120 Fax Kit Introduction This guide is intended for System Administrators or service providers, with responsibility for configuring the settings of Xerox devices that fax over an IP network. For other fax configuration settings refer to the System Administration Guide that was supplied with your device...