SIP

Table of contents:

Summary

This chapter examined the role of gateways in the CallManager architecture. Gateways bridge the gap between the packet-switched network and the circuit-switched network. This chapter described the circuit-switch technologies Cisco gateways support and the VoIP protocols H.323, MGCP, and SIP, which CallManager uses to talk to gateways and to other CallManagers. In addition, this chapter detailed the role of the gatekeeper and RAS, the H.323 gatekeeper communication protocol.

Cisco CallManager Architecture

Call Routing

Station Devices

Trunk Devices

Media Processing

Manageability and Monitoring

Call Detail Records

Appendix A. Feature List

Appendix B. Cisco Integrated Solutions

Appendix C. Protocol Details

Index



Cisco CallManager Fundamentals
Cisco CallManager Fundamentals (2nd Edition)
ISBN: 1587051923
EAN: 2147483647
Year: 2004
Pages: 141

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