This preface describes the purpose, audience, organization, and conventions of
this guide, and provides information on how to obtain related documentation.
The preface covers these topics:
• Purpose
• Audience
• Organization
• Related Documentation
• Conventions
• Obtaining Documentation
• Documentation Feedback
Purpose
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• Obtaining Technical Assistance
• Obtaining Additional Publications and Information
The Troubleshooting Guide for Cisco CallManager Release 4.1(2) provides
troubleshooting procedures for the Cisco CallManager. This document does not
cover every possible trouble event that might occur on a Cisco CallManager
system but instead focuses on those events that are frequently seen by the Cisco
Technical Assistance Center (TAC) or frequently asked questions from
newsgroups.
Troubleshooting Guide for Cisco CallManager Release 4.1(2)
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Preface
Audience
The Troubleshooting Guide for Cisco CallManager Release 4.1(2) provides
guidance for network administrators responsible for managing the
Cisco CallManager system, for enterprise managers, and for employees. This
guide requires knowledge of telephony and IP networking technology.
Organization
Table 1 shows how this guide is organized.
Table 1How This Document Is Organized
Chapter and TitleDescription
Chapter 1, “Troubleshooting Overview” Provides an overview of the tools and
Chapter 2, “Troubleshooting Tools”Addresses the tools and utilities that
Chapter 3, “Installation, Backup, and
Restore Issues”
Chapter 4, “Cisco CallManager System
Issues”
Audience
resources that are available for
troubleshooting the
Cisco CallManager.
you use to configure, monitor, and
troubleshoot Cisco CallManager 4.0
(or later) and provides general
guidelines for collecting information
to avoid repetitive testing and
re-collection of identical data.
Describes solutions for the most
common issues related to a
Cisco CallManager installation,
backup, or restore.
Describes solutions for the most
common issues related to a
Cisco CallManager system.
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Organization
Table 1How This Document Is Organized (continued)
Chapter and TitleDescription
Chapter 5, “Directory Issues”Describes solutions for the most
common issues related to a
Cisco CallManager DC Directory
(DCD), the Lightweight Directory
Access Protocol (LDAP) directory,
or the Microsoft Active Directory
(AD).
Chapter 6, “Device Issues”Describes solutions for the most
common issues related to IP phones
and gateways.
Chapter 7, “Dial Plans and Routing
Issues”
Chapter 8, “Cisco CallManager Services
Issues”
Chapter 9, “Voice Messaging Issues”Describes solutions for the most
Describes solutions for the most
common issues related to dial plans,
route partitions, and calling search
spaces.
Describes solutions for the most
common issues related to services,
such as conference bridges and
media termination points.
common voice messaging issues.
Describes what information is
needed to open a case for TAC.
Describes in detail the call flow
between two Cisco IP Phones within
a cluster.
Describes a Cisco IP Phone calling
through a Cisco IOS Gateway to a
phone connected through a local
PBX or on the Public Switched
Telephone Network (PSTN).
Describes a Cisco IP Phone calling
another Cisco IP Phone located in a
different cluster.
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Troubleshooting Guide for Cisco CallManager Release 4.1(2)
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Preface
Related Documentation
Refer to the following documents for further information about related
Cisco IP Telephony applications and products: