Cisco CallManager Best Practices : A Cisco AVVID Solution

by Collora, Salvatore; Smith, Anne; Leonhardt, Ed

• ISBN13: 9781587051395
• ISBN10: 1587051397
• Edition: 1st
• Format: Hardcover
• Copyright: 2004-06-28
• Publisher: Cisco Press

Summary

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 Ciscoreg; IP Telephony experts, helps you ensure a solid, successful deployment. Cisco CallManager Best Practicesoffers 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. Yours"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? Whatrs"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.

Author Biography

Salvatore Collora, CCIE No. 4321, is a network consulting engineer Ed Leonhardt, CCIE No. 3264, is a consulting systems engineer Anne Smith is a technical writer in the CallManager engineering group at Cisco Systems

Table of Contents

Foreword	p. xxxiii
Introduction	p. xxxiv
Planning the CallManager Implementation	p. 3
Read the Solution Reference Network Designs	p. 4
Check the Compatibility Matrix	p. 5
Assess the Current Data Infrastructure	p. 5
Assess the Current Voice Environment	p. 9
Choose the Right Equipment	p. 21
Create a Training Curriculum for Users and Administrators	p. 24
Establish a Rollout Plan	p. 28
Summary	p. 38
Planning Centralized Call Processing Deployments	p. 41
Establishing Basic WAN Connectivity	p. 43
Tuning Quality of Service on the WAN	p. 49
Preventing WAN Oversubscription by Using Locations-Based Call Admission Control (CAC)	p. 60
Dynamically Rerouting Calls Using Automated Alternate Routing	p. 66
Survive WAN Outages by Using SRST	p. 69
Choosing Gateways to Support Centralized Call Processing Functionality	p. 85
Summary	p. 88
Installing CallManager	p. 91
Before the Installation	p. 91
During the Installation	p. 98
After the Installation	p. 102
Summary	p. 107
Backing Up and Restoring the Environment	p. 111
Consider the Whole Deployment	p. 112
Five Steps to a Solid Backup	p. 116
Planning Your Backup Strategy	p. 117
Things to Be Aware of When Restoring from a BARS Backup	p. 125
Troubleshooting Typical Backup Problems	p. 127
Summary	p. 135
Upgrading and Patching CallManager	p. 137
Performing a CallManager Upgrade Using a Staging Server	p. 146
Installing Windows OS and CallManager Service Releases	p. 152
Summary	p. 155
Securing the Environment	p. 157
Classes of Voice Security Threats	p. 159
Create a Security Policy to Guide Your Efforts	p. 161
Avoid Single Points of Security Policy Failure	p. 161
Review an Infrastructure Security Feature Checklist	p. 164
Harden Access via IP Phones	p. 194
Harden CallManager and Voice Application Servers	p. 197
Secure Endpoint Provisioning	p. 207
Secure Endpoint Operation	p. 215
Secure Interserver Communication for MGCP, SIP, H.323, and Java Telephony API Signaling via IPSec	p. 219
Implementation Considerations	p. 220
Summary	p. 221
Configuring CallManager and IP Telephony Components	p. 225
General CallManager System Best Practices	p. 225
IP Phone Best Practices	p. 233
Gateway Best Practices	p. 242
Dial Plan Best Practices	p. 244
Best Practices for Configuring Features	p. 264
Tools and Application Best Practices	p. 287
Summary	p. 296
Managing Services and Parameters	p. 299
About Services	p. 301
About Service Parameters	p. 315
Cisco CallManager Service and Related Parameters	p. 318
Cisco TFTP Service	p. 329
Cisco Messaging Interface Service and Related Parameters	p. 331
Cisco IP Voice Media Streaming App Service	p. 333
Cisco CTIManager Service	p. 334
Cisco Telephony Call Dispatcher Service	p. 335
Cisco MOH Audio Translator Service and Related Parameter	p. 336
Cisco RIS Data Collector Service and Related Parameters	p. 337
Cisco Database Layer Monitor Service and a Related Parameter	p. 338
Cisco CDR Insert Service	p. 339
Cisco CTL Provider Service	p. 339
Cisco Extended Functions Service and a Related Parameter	p. 340
Cisco Serviceability Reporter Service	p. 341
Cisco WebDialer Service	p. 342
Cisco IP Manager Assistant Service	p. 342
Cisco Extension Mobility Service and Related Parameters	p. 342
General Enterprise Parameters	p. 344
Summary	p. 346
Using Multilevel Administration	p. 349
Changes from the Previous Release	p. 353
Enable MLA for Added Security	p. 355
No MLA Access When the Publisher Is Down	p. 355
Enable Tracing for MLA	p. 355
Monitor the Access Log for Malicious Login Attempts	p. 356
Check the Privileges Report	p. 356
Create User-Specific Accounts	p. 357
Create Custom Functional Groups	p. 357
Create Custom User Groups	p. 358
Assign Group Privileges	p. 359
Manage Overlapping Permissions	p. 359
Keep an Eye on Your System	p. 360
Maintain the Tightest Security Possible	p. 362
Summary	p. 364
Mastering Directory Integration	p. 367
Directory Access Versus Directory Integration	p. 367
Directory Access for IP Telephony Endpoints	p. 369
Directory Integration for CallManager	p. 372
Best Practices for Directory Integration	p. 375
Summary	p. 390
Administering Call Detail Records	p. 393
Use CDR Data for Accounting/Billing or Troubleshooting	p. 394
Enable CDR Data Collection	p. 394
Limit the Number of CDR and CMR Entries	p. 395
Configure CDR Enterprise Parameters	p. 396
Enable Network Time Synchronization on All CallManagers and Update the Configuration File if Needed	p. 398
Understanding the Call Detail Record Format	p. 399
Understanding CDR Data Through Call Examples	p. 414
Search the CDR SQL Database	p. 417
Export CDR Data for Further Analysis	p. 418
Convert Epoch Time to Human-Readable Time Using the CDR Time Converter Utility	p. 419
Convert a 32-Bit Signed Integer Value to an IP Address	p. 420
Using the CAR Tool	p. 422
Third-Party CDR Applications	p. 428
Summary	p. 430
Managing and Monitoring the System	p. 433
Choosing the Best Overall Methodology	p. 434
Make Monitoring a Daily Process	p. 436
Configuring Authentication, Authorization, and Accounting on Cisco IOS Gateways	p. 436
Using Syslog to Monitor the System	p. 445
Using SNMP Where Possible	p. 459
Use Microsoft Performance for Real-Time Data If It Fits Your Current Model	p. 466
Check the Serviceability Reports Archive Every Day	p. 466
Check the CallManager Trace Facility Configuration and Log Files	p. 467
Using Windows Terminal Services	p. 468
Using VNC	p. 470
Summary	p. 471
Using Real-Time Monitoring Tool	p. 473
Configuring RTMT	p. 473
Summary	p. 491
CallManager 4.0 New Feature Description	p. 493
CallManager Release 4.0(1) Feature List	p. 493
Glossary	p. 517
Index	p. 557
Table of Contents provided by Ingram. All Rights Reserved.