© 2004 Cisco Systems, Inc. All rights reserved. IPTX v Module Summary This module defined how to configure voice interfaces, dial peers, and VoIP communications. As a result of completing this module, learners should have an understanding of the types of analog interfaces that are supported in Cisco CallManager Express. As a result of completing this module, learners should have an understanding of the types of digital interfaces that are supported in Cisco CallManager Express. In addition, learners should be able to configure voice interfaces with IOS commands. Learners should have an understanding of dial peers and how they are configured. Learners should understand how digits are matched to dial peers and how digits can be manipulated. As a result of completing this module, the learner should have an understanding of the H.450. x protocols and the issues that may be encountered when using the H.450. x protocols.