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This preface describes the purpose, intended audience, organization, and conventions for the Cisco IP Telephony Network Design Guide.
This document serves as an implementation guide for Cisco AVVID (Architecture for Voice, Video and Integrated Data) networks based on Cisco CallManager Release 3.0. With such a high level of industry interest regarding IP telephony, customers are aggressively pursuing Cisco solutions for both large and small networks. Solutions based on Cisco CallManager Release 3.0 allow Cisco to deliver large-scale IP telephony systems with many capabilities.
However, it is important to ensure that these systems fit successfully within a set of boundaries. This document serves as a guide to all aspects of designing Cisco AVVID networks, and includes working configurations. The many new hardware and software capabilities in Cisco CallManager Release 3.0 are covered in detail in the various solutions and deployment models. Important components such as minimum Cisco IOS release requirements and recommended platforms are noted for each model.
This document will be updated as the Cisco AVVID solution set grows with subsequent releases of Cisco Call Manager.
This guide is intended for systems engineers and others responsible for designing Cisco AVVID networks based on Cisco CallManager Release 3.0.
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Caution The design guidelines in this document are based on the best currently available knowledge about the functionality and operation of the Cisco AVVID components. The information in this document is subject to change without notice. |
Following are the chapters of this guide and the subjects they address:
| Chapter | Title | Description |
|---|---|---|
Chapter 1 | Gives a high-level overview of each Cisco AVVID deployment model and defines the boundaries for these designs. | |
Chapter 2 | Discusses issues to consider when preparing a LAN infrastructure for a Cisco AVVID solution. | |
Chapter 3 | Discusses the concept, provisioning, and configuration of Cisco CallManager clusters. | |
Chapter 4 | Discusses issues concerning the selection of gateways for connecting an IP telephony network to the PSTN or to legacy PBX and key systems. | |
Chapter 5 | Discusses the architecture and operation of the Cisco CallManager dial plan and provides design recommendations for campus environments. | |
Chapter 6 | Provides design guidelines for multi-site WAN systems using Cisco CallManager Release 3.0 for distributed call processing. | |
Chapter 7 | Provides design guidelines for multi-site WAN systems using Cisco CallManager Release 3.0 for centralized call processing. | |
Chapter 8 | Addresses the QoS requirements for Cisco AVVID implementations over the enterprise WAN. | |
Chapter 9 | Describes the Catalyst digital signal processor (DSP) resources and discusses how to provision these resources. | |
Chapter 10 | Discusses voice messaging solutions in a Cisco AVVID network. | |
Chapter 11 | Explains how an enterprise can migrate from a conventional PBX and its adjunct systems (principally voice messaging) to a Cisco AVVID network. |
| Revision Date | Notes |
|---|---|
06/30/00 | Major changes since the previous edition: |
This section contains references to documents that provide additional information on subjects covered in this guide.
Posted: Thu Jul 27 10:24:57 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.