Cisco CallManager Best Practices: A Cisco AVVID Solution

  • Published: Jun 28, 2004
  • Copyright 2004
  • Dimensions: 7-3/8" x 9-1/8"
  • Pages: 624
  • Edition: 1st
  • Book
  • ISBN-10: 1-58705-139-7
  • ISBN-13: 978-1-58705-139-5

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Product Description

Delivers the proven solutions that make a difference in your Cisco IP Telephony deployment

  • Learn dial plan best practices that help you configure features such as intercom, group speed dials, music on hold, extension mobility, and more
  • Understand how to manage and monitor your system proactively for maximum uptime
  • Use dial plan components to reduce your exposure to toll fraud
  • Take advantage of call detail records for call tracing and accounting, as well as troubleshooting
  • Utilize the many Cisco IP Telephony features to enable branch site deployments
  • Discover the best ways to install, upgrade, patch, and back up CallManager
  • Learn how backing up to remote media provides both configuration recovery and failure survivability

IP telephony represents the future of telecommunications: a converged data and voice infrastructure boasting greater flexibility and more cost-effective scalability than traditional telephony. Having access to proven best practices, developed in the field by Cisco® IP Telephony experts, helps you ensure a solid, successful deployment.

 

Cisco CallManager Best Practices offers best practice solutions for CallManager and related IP telephony components such as IP phones, gateways, and applications. Written in short, to-the-point sections, this book lets you explore the tips, tricks, and lessons learned that will help you plan, install, configure, back up, restore, upgrade, patch, and secure Cisco CallManager, the core call processing component in a Cisco IP Telephony deployment. You’ll also discover the best ways to use services and parameters, directory integration, call detail records, management and monitoring applications, and more.

 

Customers inspired this book by asking the same questions time after time: How do I configure intercom? What’s the best way to use partitions and calling search spaces? How do I deploy CallManager regionally on my WAN? What do all those services really do? How do I know how many calls are active? How do I integrate CallManager with Active Directory? Years of expert experiences condensed for you in this book enable you to run a top-notch system while enhancing the performance and functionality of your IP telephony deployment.

Downloads

Download - 72.8 KB - Feature Inventory (PDF)
Download - 20.5 KB - Feature Inventory (Excel)
Download - 303 KB - Sample Dial Plan (VSD)

Customer Reviews

9 of 9 people found the following review helpful
4.0 out of 5 stars A great book for experienced IP Telephony engineers ., December 24, 2004
By 
This review is from: Cisco CallManager Best Practices: A Cisco AVVID Solution (Hardcover)
Cisco CallManager Best Practices is a very well written book with plenty of useful information. However, please note, this is not an introductory book for Cisco IP Telephony. As its name implies, this book provides "best practices" for installing, running and optimizing an IP Telephony network. Thus, this book should be used by experienced IP Telephony engineers in order to plan new deployment or optimize existing IP Telephony networks.

Beyond that one caveat, I highly recommend this book. It is well written and has very good information. I did not find any errors and found the technical information very in-depth and thorough.

I particularly liked Chapter 6: Securing the Environment. While obviously slanted toward IP Telephony, this chapter provided detailed security practices that should be applied to all networks. This chapter focuses on how overall network security leads to secure IP Telephony environments, which is the way security should be... Read more
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3 of 4 people found the following review helpful
5.0 out of 5 stars How to get the most out of CallManager, November 8, 2004
By 
John Matlock "Gunny" (Winnemucca, NV) - See all my reviews
(REAL NAME)   
This review is from: Cisco CallManager Best Practices: A Cisco AVVID Solution (Hardcover)
Telephones used to be so simple. You called Ma Bell, explained a few things like number of individual telephones, you waited a while, then the equipment showed up and you started writing a check each month. Data transmission was at best a secondary requirement (maybe not even that high). Not so anymore.

Today you buy bandwidth and it's pretty much up to you to decide what to do with it. Cisco has been in the absolute forefront of handling bandwidth, and with their Call Manager system is in the forefront of IP Telephony.

Note that the title of this book says it is about best practices. The book is based on the questions that customers asked (the authors are all Cisco employees who talk to customers) about the CallManager system. It is intended for the voice and data networking professionals who either have CallManager installed or are considering installing it.

The idea is to go beyond what the manuals say, to enable you to use the equipment in ways... Read more
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1 of 4 people found the following review helpful
5.0 out of 5 stars How to get the most out of CallManager, July 8, 2005
This review is from: Cisco CallManager Best Practices: A Cisco AVVID Solution (Hardcover)
Want to kn ow how to get the most out of CallManager???

this book is it!!!!

Very, very helpful.
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Praise For Cisco CallManager Best Practices: A Cisco AVVID Solution

Cisco CallManager Best Practices
Reviewer Name: Michael J. Morris, Technical Support Engineer
Reviewer Certification: CCIE No. 11,733
Rating: **** out of *****

Cisco CallManager Best Practices is a very well written book with plenty of useful information. However, please note, this is not an introductory book for Cisco IP Telephony. As its name implies, this book provides “best practices” for installing, running and optimizing an IP Telephony network. Thus, this book should be used by experienced IP Telephony engineers in order to plan new deployment or optimize existing IP Telephony networks.

Beyond that one caveat, I highly recommend this book. I did not find any errors and found the technical information very in-depth and thorough.

I particularly liked Chapter 6: Securing the Environment. While obviously slanted toward IP Telephony, this chapter provided detailed security practices that should be applied to all networks. This chapter focuses on how overall network security leads to secure IP Telephony environments, which is the way security should be approached. By simply securing your IP Telephony assets (CallManagers, Gateways, etc), but not implementing standard security technologies (private VLANs, ARP inspection, 802.1x, etc) engineers will still leave their IP Telephony network subject to attack. Rightfully so, this chapter explains how IP Telephony is just a part of overall security, and then explains basic security technologies with an inkling toward IP Telephony.

My only complaint about this book, and why it only received 4 out of 5 stars, was its lack of flow. Chapters did not build on one another, despite appearing that way from the Table of Contents. Each chapter started fresh. However, I think this may be a factor of the book’s purpose: providing “Best Practices” and not laying out a step-by-step process for IP Telephony deployments. As I mentioned above, this is not a book to use for someone new to IP Telephony or for your first deployment. This book should be used by experienced IP Telephony engineers to enhance their knowledge for new deployments and bolster existing IP Telephony networks.

Index

Download - 217 KB -- Index

Table of Contents



Foreword.


Introduction.


1. Planning the CallManager Implementation.

Read the Solution Reference Network Designs. Check the Compatibility Matrix. Assess the Current Data Infrastructure. Assess the Current Voice Environment. Choose the Right Equipment. Create a Training Curriculum for Users and Administrators. Establish a Rollout Plan. Summary.



2. Planning Centralized Call Processing Deployments.

Establishing Basic WAN Connectivity. Tuning Quality of Service on the WAN. Preventing WAN Oversubscription by Using Locations-Based Call Admission Control (CAC). Dynamically Rerouting Calls Using Automated Alternate Routing. Survive WAN Outages by Using SRST. Choosing Gateways to Support Centralized Call Processing Functionality. Summary.



3. Installing CallManager.

Before the Installation. During the Installation. After the Installation. Summary.



4. Backing Up and Restoring the Environment.

Consider the Whole Deployment. Five Steps to a Solid Backup. Planning Your Backup Strategy. Things to Be Aware of When Restoring from a BARS Backup. Troubleshooting Typical Backup Problems. Summary.



5. Upgrading and Patching CallManager.

Installing Windows OS and CallManager Service Releases. Summary.



6. Securing the Environment.

Classes of Voice Security Threats. Create a Security Policy to Guide Your Efforts. Avoid Single Points of Security Policy Failure. Review an Infrastructure Security Feature Checklist. Harden Access to Routers and Switches. Harden Access via IP Phones. Harden CallManager and Voice Application Servers. Secure Remote Administration of CallManager. Secure Endpoint Provisioning. Secure Endpoint Operation. Secure Interserver Communication for MGCP, SIP, H.323, and Java Telephony API Signaling via IPSec. Implementation Considerations. Summary.



7. Configuring CallManager and IP Telephony Components.

General CallManager System Best Practices. IP Phone Best Practices. Gateway Best Practices. Dial Plan Best Practices. Best Practices for Configuring Features. Tools and Application Best Practices. Summary.



8. Managing Services and Parameters.

About Services. About Service Parameters. Cisco CallManager Service and Related Parameters. Cisco TFTP Service. Cisco Messaging Interface Service and Related Parameters. Cisco IP Voice Media Streaming App Service. Cisco CTIManager Service. Cisco Telephony Call Dispatcher Service. Cisco MOH Audio Translator Service and Related Parameter. Cisco RIS Data Collector Service and Related Parameters. Cisco Database Layer Monitor Service and a Related Parameter. Cisco CDR Insert Service. Cisco CTL Provider Service. Cisco Extended Functions Service and a Related Parameter. Cisco Serviceability Reporter Service. Cisco WebDialer Service. Cisco IP Manager Assistant Service. Cisco Extension Mobility Service and Related Parameters. General Enterprise Parameters. Summary.



9. Using Multilevel Administration.

Changes from the Previous Release. Enable MLA for Added Security. No MLA Access When the Publisher Is Down. Enable Tracing for MLA. Monitor the Access Log for Malicious Login Attempts. Check the Privileges Report. Create User-Specific Accounts. Create Custom Functional Groups. Create Custom User Groups. Assign Group Privileges. Manage Overlapping Permissions. Keep an Eye on Your System. Maintain the Tightest Security Possible. Summary.



10. Mastering Directory Integration.

Directory Access Versus Directory Integration. Directory Access for IP Telephony Endpoints. Directory Integration for CallManager. Best Practices for Directory Integration. Summary.



11. Administering Call Detail Records.

Use CDR Data for Accounting/Billing or Troubleshooting. Enable CDR Data Collection. Limit the Number of CDR and CMR Entries. Configure CDR Enterprise Parameters. Enable Network Time Synchronization on All CallManagers and Update the Configuration File if Needed. Understanding the Call Detail Record Format. Understanding CDR Data Through Call Examples. Search the CDR SQL Database. Export CDR Data for Further Analysis. Convert Epoch Time to Human-Readable Time Using the CDR Time Converter Utility. Convert a 32-Bit Signed Integer Value to an IP Address. Using the CAR Tool. Third-Party CDR Applications. Summary.



12. Managing and Monitoring the System.

Choosing the Best Overall Methodology. Make Monitoring a Daily Process. Configuring Authentication, Authorization, and Accounting on Cisco IOS Gateways. Using Syslog to Monitor the System. Using SNMP Where Possible. Use Microsoft Performance for Real-Time Data If It Fits Your Current Model. Check the Serviceability Reports Archive Every Day. Check the CallManager Trace Facility Configuration and Log Files. Using Windows Terminal Services. Using VNC. Summary.



13. Using Real-Time Monitoring Tool.

Configuring RTMT. Summary.



Appendix CallManager 4.0 New Feature Description.

CallManager Release 4.0(1) Feature List.



Glossary.


Index.

Downloadable Sample Chapter

Download - 992 KB -- Chapter 1: Planning the CallManager Implementation

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