
Preface
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
OL-6539-01
• 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)
xii

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 1 How This Document Is Organized
Chapter and Title Description
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.
OL-6539-01
Troubleshooting Guide for Cisco CallManager Release 4.1(2)
xiii

Organization
Table 1 How This Document Is Organized (continued)
Chapter and Title Description
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
Appendix A, “Opening a Case With
TAC ”
Appendix B, “Case Study:
Troubleshooting Intracluster Phone
Calls”
Appendix C, “Case Study:
Troubleshooting
Cisco IP Phone-to-Cisco IOS Gateway
Calls”
Appendix D, “Case Study:
Troubleshooting Intercluster Phone
Calls”
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.
Preface
xiv
Troubleshooting Guide for Cisco CallManager Release 4.1(2)
OL-6539-01

Preface
Related Documentation
Refer to the following documents for further information about related
Cisco IP Telephony applications and products:
• Cisco CallManager API Troubleshooting Guide
• Cisco CallManager Administration Guide
• Cisco CallManager System Guide
• Cisco CallManager Serviceability Administration Guide
• Cisco CallManager Features & Services Guide
• Cisco CallManager Quick Start Guide
• Cisco CallManager Installation Instructions
• Cisco CallManager Backup and Restore Procedure
• Cisco CallManager Attendant Console User Guide
• Cisco CallManager Multilevel Administration Access Guide
• Cisco CallManager Directory Services Guide
Related Documentation
OL-6539-01
• Release Notes for Cisco CallManager Release 4.0(1)
• Cisco CallManager Documentation Guide for Release 4.0(1)
• Hardware Configuration Guide for the Cisco Voice Gateway 200
• Software Configuration Guide for the Cisco Voice Gateway 200
• Cisco IP Phone Administration Guide for Cisco CallManager
• Bulk Administration Tool Guide for Cisco CallManager
• Cisco Technical Solution Series: IP Telephony Solution Guide
• Guide to Cisco Systems VOIP Infrastructure Solution for SIP
Troubleshooting Guide for Cisco CallManager Release 4.1(2)
xv