CCNA Voice Lab Manual Brent Sieling Cisco Press 800 East 96th Street Indianapolis, Indiana 46240 USA CCNA Voice Lab Manual Brent Sieling Copyright© 2013 Cisco Systems, Inc. Published by: Cisco Press 800 East 96th Street Indianapolis, IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission from the publisher, except for the inclusion of brief quotations in a review. Printed in the United States of America First Printing January 2013 Library of Congress Cataloging-in-Publication Data is on file. ISBN-13: 978-1-58713-299-5 ISBN-10: 1-58713-299-0 Warning and Disclaimer This book is designed to provide information about CCNA Voice. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. 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Addresses, phone numbers, and fax numbers are listed on the Cisco Website at www.cisco.com/go/offices. ©2008 Cisco Systems, Inc. All rights reserved. CCVR the Cisco logo, and the Cisco Square Bridge logo are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems. Cisco Systems Capital, the Cisco Systems logo. Cisco Unity, Enterprise/Solver. EtherChannel. EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, GigaStack, HomeLink, Internet Quotient, IOS, IP/TV iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, LightStream, Linksys, MeetingPlace. MGX, Networking Academy, Network Registrar, Packet, PIX, ProConnect, RateMUX, ScriptShare, SlideCast, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient, and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0609R) About the Author Brent Sieling is an instructor and program director for the two-year Network Specialist Associate Degree at Madison College. He has been teaching networking classes full-time since January 2006 and part-time for three semesters prior to that. He is the lead contact for the Academy Support Center and Instructor Training Center at Madison College’s Cisco Networking Academy, providing support to over 30 high schools and technical colleges in the state of Wisconsin. Brent previously worked as a network specialist at the Madison Metropolitan School District, where he managed a network of over 50 schools. Brent currently holds the Cisco Certified Network Associate (CCNA), CCNA Voice, and CCNA Security certifications, and he was previously a Certified Novell Engineer (CNE). He recently completed the Cisco Academy Instructor Trainer Qualification (ITQ) process to become an Academy Instructor Trainer. Brent has been a regular presenter at the Cisco Academy conferences. About the Contributing Authors David Bateman is a Certified Cisco Systems instructor with more than 20 years of internetworking experience. David has always enjoyed sharing his knowledge and has been a Cisco instructor for Skyline-ATS since 2000. In addition to teaching he is involved in authoring courses and books including Configuring Cisco Communication Manager & Unity Connection released by Cisco Press. David is currently the director of Educational Services for Skyline-ATS. His years of real-world technical and business knowledge allow him to bring a unique perspective to the classroom, where he not only delivers critical technical knowledge but can also explain how technologies can be used to address various business needs. Brian Morgan, CCIE No. 4865, is a Collaboration Architect with Cisco specializing in Unified Communications and Collaboration technologies. With over 20 years in the networking industry, he has performed in a number of roles, including network consultant, Certified Cisco Systems Instructor, and engineering director for a telecommunications company. When he’s not spending time with his family, Brian enjoys working with local high school and college students enrolled in local Cisco Network Academy programs in North Texas. About the Technical Reviewers Michael Valentine has more than 15 years of experience in the IT field, specializing in Cisco networking and VoIP technologies. He is a freelance Cisco Certified Systems Instructor, currently associated with Skyline Advanced Technology Services. His accessible, humorous and effective teaching style has demystified Cisco for hundreds of students since he began teaching in 2002. He has developed courseware and lab guides both for Cisco Systems and third-party clients. Mike received his Bachelor of Arts from the University of British Columbia and currently holds CCNA, CCNA Voice, CCDA, CCNP, CCVP, and CCSI certifications, among others. Mike has authored, co-authored, and technically reviewed several Cisco Press titles. Brion Washington has been working with Cisco VOIP since the 4.x release. His expertise is in Cisco Unified Communications Manager (CUCM) and Voice Gateways. He has authored the CCVP GWGK Quick Reference (978-1-58714-355-7), CCNP Voice TVoice 642-427 Quick Reference (978-1-58714-365-6), and CCNP Voice CAPPS 642-467 Quick Reference (978-1-58714-361- 8), and served as a technical editor for multiple others. He currently works as a Senior Network Engineer based on the East coast. Acknowledgments I have many people to thank for helping put this book together. Thankfully for me, this is not the Academy Awards, where the orchestra can cut me off if I go on too long. First is Mary Beth Ray of Cisco Press. I owe her thanks for her willingness to work with a first-time author to produce a lab book for the CCNA Voice certification. I owe her even more thanks for not sending the Cisco Press Ninja Assassins after me when I was late on my deadlines, even though I completely deserved it. To Ellie Bru, Mandie Frank, and John Edwards of Cisco Press. Ellie and Mandie had the unfortunate task of working with a first-time author, trying to get me to complete everything (and in a readable format). John not only had to correct my writing, but also to translate it into proper English. To David Bateman and Brian Morgan. Despite my years of experience with Cisco’s router-based voice solution, there are parts of the voice world, such as Cisco Unified Presence Server, that I had not dabbled in. Their writing both helped to make this book more complete and kept the deadlines from slipping any further. To Brion Washington and Michael Valentine. As technical reviewers, they both made sure that I was as accurate as possible in explanations, and more than once caught areas where I made mistakes. To David Shonkwiler and Ken McCullough. As my dean and department head, respectively, they have made it possible to teach in one of the finest two-year schools in the state of Wisconsin, if not the nation. They have made sure that my students have access to the equipment and resources in the classroom to succeed in their future jobs. To Cheryl Halle and Curt Chambers. As any instructor will tell you, his or her success is in large part due to the people who provide help, and Cheryl and Curt are the best at running our labs. The labs are so well run that the Cisco Academy has held instructor training qualifications here twice in the past year, and the Academy told us it could not have had an easier time. There are many students who were guinea pigs for my labs over the past year and worked on my beta versions (and many alpha versions). They had to put up with my hands waving in the air as I explained how cool this stuff was, even the QoS portion. I was able to sneak their names into Appendix B, “IP Addressing and Phone Extensions for Cisco Unified Communications Manager Labs (Chapters 8–14 and 16–17),” along with many of my students who achieved their CCNA certification while at Madison College. However, there are two students who went above and beyond and deserve special recognition: Krzysztof Petrynko and John Endries. They both put in numerous hours checking my labs and giving me valuable feedback. In addition to dedicating the book to my wife Megan, I also have to thank her for not only keeping things running at home (I promise to start cooking dinner more often now that this is done!), but also for doing the initial proofread of all my writing. (She was the one to point out that I needed to hyphenate ever-patient in the dedication.) Finally, I have to thank Cisco itself and, by extension, the Cisco Networking Academy. There are few companies in the world that would spend millions of dollars to develop and maintain excellent curriculums and then give it to schools at no cost. My former students would not have their great jobs without the fantastic CCNA Exploration curriculum that the Academy offers. I have found great success in teaching the Academy curriculum and learned many new things along the way. Dedication This book is dedicated to my ever-patient wife Megan Schliesman and my wonderful daughter Lily (who will be mortified that I mentioned her name). Contents at a Glance Introduction Hardware Section Part I: Voice Concepts Chapter 1 Traditional and Unified Voice Chapter 2 Understanding Cisco Unified Communications Solutions Chapter 3 Establishing Network Connectivity and Understanding IP Phone Registration Part II: Cisco Unified Communications Manager Express (CUCME) Chapter 4 Introduction to CUCME Administration Chapter 5 Configuring Phones and Users in Cisco Unified Communications Manager Express (CUCME) Chapter 6 Cisco Unified Communications Manager Express (CUCME) Dial Plans and QoS Chapter 7 Cisco Unified Communications Manager Express (CUCME) Productivity Features Part III: Cisco Unified Communications Manager (CUCM) Chapter 8 Administrative Interfaces Chapter 9 Managing Services, Phones, and Users Chapter 10 CUCM Dial Plan Chapter 11 CUCM Telephony Features Chapter 12 CUCM Mobility Features Part IV: Voicemail and Presence Solutions Chapter 13 Cisco Unity Connection Chapter 14 Cisco Unified Presence Part V: Management and Troubleshooting Chapter 15 Troubleshooting Cisco Unified Communications Manager Express (CUCME) Chapter 16 Troubleshooting CUCM Chapter 17 Monitoring Cisco Unity Connection Part VI: Appendixes Appendix A IP Addressing and Phone Extensions for Cisco Unified Communications Manager Express (CUCME) Labs Appendix B IP Addressing and Phone Extensions for Cisco Unified Communications Manager (CUCM) Labs (Chapters 8–14 and 16–17) Appendix C Building Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), and Cisco Unified Presence (CUPS) Servers in VMware Workstation Appendix D Configuring the Cisco Unified Communications Manager Express Router Appendix E PSTN Simulator Contents Introduction Hardware Section Part I: Voice Concepts Chapter 1 Traditional and Unified Voice Lab 1-1: Telephony Terminology Task 1: Matching Items Chapter 2 Understanding Cisco Unified Communications Solutions Lab 2-1: Key Features of Cisco Unified Communications Solutions Task 1: Questions Chapter 3 Establishing Network Connectivity and Understanding IP Phone Registration Lab 3-1: Network Connectivity Task 1: Clear and Cable Devices Step 1-1: Clear Prior Configurations Step 1-2: Cable Router and Switch Task 2: Configure Basic Setup Step 2-1: Configure Basic Setup on the Router Step 2-2: Configure Basic Setup on the Switch Task 3: Configure the Switch Step 3-1: Create the VLANs Step 3-2: Configure the Trunk Port Step 3-3: Configure the Access Ports Step 3-4: Configure the Switch Management Interface Task 4: Configure the Router Subinterfaces Step 4-1: Configure the Data VLAN Subinterface Step 4-2: Configure the Management VLAN Subinterface Step 4-3: Configure the Voice VLAN Subinterface Step 4-4: Activate the Router Interface Task 5: Verification Step 5-1: Verify Switch VLAN Configuration Step 5-2: Verify Switch Port Assignment Step 5-3: Verify Router Subinterface IP Assignment Task 6: DHCP Services Step 6-1: Configure DHCP Pools on the Router Task 7: Test and Cleanup Step 7-1: Test Connectivity Step 7-2: Save the Configurations Step 7-3: (Optional) Explore Power Over Ethernet on the Switch Lab 3-2: Network Time Protocol Task 1: NTP Services Step 1-1: Load Prior Configurations Step 1-2: (Optional) Configure Local Time Zone Step 1-3: Manually Set the Clock Step 1-4 (Option A): Contact an NTP Server on the Internet Step 1-4 (Option B): Configure Another Cisco Router to Act as an NTP Server Step 1-5: Verify That the Time Is Synchronized Step 1-6: (Optional) Configure the Switch to Get NTP from the Router Step 1-7: Save the Configurations Lab 3-3: Phone Boot/Registration Process Task 1: Questions Part II: Cisco Unified Communications Manager Express (CUCME) Chapter 4 Introduction to CUCME Administration Lab 4-1: Exploring the Command-Line Interface and Cisco Configuration Professional Task 1: Load Prior Configurations Task 2: Explore Telephony Services Step 2-1: Determine CUCME Version Task 3: Exploring CUCME Using CCP Step 3-1: Test Connectivity Between PC and Router Step 3-2: Configure the Router for CCP Access Step 3-3: Open the CCP Application Step 3-4: Create a Community in CCP Step 3-5: Working with a Community in CCP Step 3-6: Viewing Device Configuration Options in CCP Step 3-7: Establish Unified Communication Functionality in CCP Step 3-8: Deliver Configuration from CCP to the Router Step 3-9: Review Unified Communications Features Summary Step 3-10: Save the Startup Configuration in CCP Step 3-11: Save the Running Configuration to the PC Using CCP Step 3-12: Explore Other Parts of CCP Lab 4-2: Integrated HTML GUI Task 1: Load Prior Configurations Task 2: Configure the Router for Web Access Step 2-1: Enable HTTP Service on the Router Step 2-2: Create a CUCME Web Administrator Account Step 2-3: Use a Web Browser to Connect to the GUI Chapter 5 Configuring Phones and Users in Cisco Unified Communications Manager Express (CUCME) Lab 5-1: Basic Manual Phone Configuration Using the CLI Task 1: Load Prior Configurations Task 2: Configure Telephony-Service Step 2-1: Disable Auto Phone Registration Step 2-2: Establish the Maximum Number of Phones Allowed to Register Step 2-3: Establish the Maximum Number of Directory Numbers (Phone Numbers) Step 2-4: Set the IP Address Used by CUCME Step 2-5: Create the Default Template Files Step 2-6: Inspect the IP Phone Generic Config File Task 3: Configuring Directory Numbers Step 3-1: Create a Dual-Line Ephone-dn Step 3-2: Repeat to Create the Next Three Phone Numbers Task 4: Manually Configure an Ephone and Associate the First Directory Number Step 4-1: Get the MAC Address of the First Phone Step 4-2: Create an Ephone and Assign the MAC Address Step 4-3: Assign the First Directory Number to the First Button on the Phone Step 4-4: Connect the First Phone to the Switch Task 5: Manually Configure a Second Phone Step 5-1: Connect the Second Phone to the Switch Step 5-2: Assign the Second and First Directory Numbers to the Second Phone Step 5-3: Make a Call Step 5-4: Assign Other Extensions to the First Phone Step 5-5: Clear Configuration for the Next Lab Lab 5-2: Advanced Manual Phone Configuration Using the CLI Task 1: Load Prior Configurations Task 2: Configure Telephony-Service Step 2-1: Configure Required Telephony-Service Settings Step 2-2: Configure System Time in Telephony-Service Step 2-3: Configure a Banner Message for Phones with a Display Task 3: Configure Ephone-dns Step 3-1: Add the name Option to an Ephone-dn Step 3-2: Change the Phone Display Header Bar Step 3-3: Change the Text for Each Line Button Step 3-4: Create the Other Ephone-dns Task 4: Configure Ephones Step 4-1: Create an Ephone, and Assign the MAC Address and a Directory Number Step 4-2: Assign the Ephone Model Type Step 4-3: Assign Users to the Phones Step 4-4: Create the Other Ephones Task 5: Test and Save Configuration Step 5-1: Make Calls Step 5-2: Save the Configuration Lab 5-3: Adding Directory Numbers, Phones, and Users with Cisco Configuration Professional (CCP) Task 1: Load Prior Configurations Task 2: Configure Telephony Settings Step 2-1: View Telephony Settings Step 2-2: Edit General Telephony Settings Step 2-3: Edit System Config Telephony Settings Task 3: Configure Extensions Step 3-1: View Extension Settings Step 3-2: Create an Extension Step 3-3: Create More Extensions Task 4: Configure Phones and Users Step 4-1: View Phone/User Settings Step 4-2: Create a Phone Step 4-3: Create a User Step 4-4: Create Another Phone/User Task 5: Test and Save Configuration Step 5-1: Make Calls Step 5-2: Examine the Router Configuration Step 5-3: Save the Configuration Lab 5-4: Examine VoIP Protocols Task 1: Load Prior Configurations Task 2: Establish Packet Capture Step 2-1: Configure the Switch for Packet Capture Task 3: Start Wireshark Capture Step 3-1: Examine Phone Boot in Wireshark Step 3-2: Examine a Phone Call in Wireshark Task 4: Play Captured Audio Task 5: Clean Up Chapter 6 Cisco Unified Communications Manager Express (CUCME) Dial Plans and QoS Lab 6-1: (Optional) Configuring Analog Interfaces Task 1: Load Prior Configurations Task 2: Examine the Interfaces in the Router Task 3: Configuring FXS Ports Step 3-1: Call Signaling Selection Step 3-2: Connect an Analog Phone and Make a Call Step 3-3: Call Progress Tones Step 3-4: Description Information Step 3-5: Caller ID Information Step 3-6: Examine Interface Status Step 3-7: Automatically Dialing Phones Task 4: Configuring FXO Ports Step 4-1: Configure Dial Type Step 4-2: Configure Ring Number Step 4-3: Description Information Step 4-4: Connect the FXO Port (Optional) Step 4-5: Redirect Incoming Calls (Optional) Lab 6-2: (Optional) Configuring Digital Interfaces Task 1: Load Prior Configurations Task 2: Examine Resources in the Router Step 2-1: Examine Hardware Step 2-2: Examine Controller Interface Step 2-3: Examine DSP Resources Task 3: Configure CCS (PRI) Settings Step 3-1: Configure ISDN Switch Type Step 3-2: Configure Clock Participation Step 3-3: Configure Controller T1 Settings Step 3-4: Configure PRI Timeslots Step 3-5: Examine the Interfaces Task 4: Configure ISDN Network End Lab 6-3: Call Legs, Dial Peers, and Wildcards Task 1: Call Legs Step 1-1: Understanding Call Legs Task 2: Introduction to Dial Peers Step 2-1: Call Flow with a Single-Router Dial Peer Exercise Step 2-2: Create POTS Dial Peers Step 2-3: Call Flow for Dual-Router Dial Peers Without Wildcards Exercise Task 3: Introduction to Wildcards in Cisco Unified Communications Manager Express (CUCME) Step 3-1: Call Flow for Dual-Router Dial Peers with Wildcards Exercise Step 3-2: Create Destination Patterns Using Wildcards Task 4: Create POTS and VoIP Dial Peers Lab 6-4: Call Processing, Dial Plans, and Digit Manipulation Task 1: Outbound Call Processing Step 1-1: Examining Dial-Peer Selection Step 1-2: Understanding Dial-Peer Selection Step 1-3: Troubleshooting Dial-Peer Selection with the show dial-peer voice summary Command Step 1-4: Troubleshooting Dial-Peer Selection with Debug Task 2: POTS Dial-Peer Behavior and Digit Manipulation Step 2-1: Examining POTS Dial-Peer Digit Stripping Task 3: Inbound Dial-Peer Selection Step 3-1: Examine Digit Matching for Inbound Calls Task 4: Dial Plans for the PSTN Step 4-1: Understanding Dial Plans Step 4-2: Creating a PSTN Dial Plan for the NANP Lab 6-5: Dial-Peer Configuration Using the CLI Task 1: Load Prior Configurations Task 2: Configure Hardware Used by the Dial Peers Task 3: Configure Secondary Dial Tone Task 4: Configure the PSTN Dial Peers Step 4-1: Configure Emergency Services Calls Step 4-2: Configure Service Code Calls Step 4-3: Configure Local Calls Step 4-4: Configure Long-Distance (Toll) Calls Step 4-5: Configure Toll-Free Calls Step 4-6: Configure Premium-Rate Calls Step 4-7: Configure International Calls Step 4-8: Make Test Calls to the PSTN Simulator Task 5: Inbound Calls Step 5-1: Configure for Inbound Calls Step 5-2: Test Inbound Calls Task 6: Calls over the WAN Step 6-1: Configure a WAN Connection Step 6-2: Configure a Routing Protocol (Optional) Step 6-3: Configure Four-Digit VoIP Dial Peers to Other Pods Using the WAN Step 6-4: Create VoIP Dial Peer for Any Other Pods Step 6-5: Verify Calls to Other Pods Using the WAN Task 7: PSTN Failover Step 7-1: Configure a PSTN Failover Step 7-2: Configure a PSTN Failover Step 7-3: Configure Remaining PSTN Failover Dial Peers Step 7-4: Test PSTN Failover Step 7-5: Verify That VoIP Dial Peers Resume Calls When the WAN Is Back Up Lab 6-6: Dial-Peer Configuration Using CCP Task 1: Load Prior Configurations Task 2A: Configure Digital T1/E1/PRI Interface Step 2A-1: Digital Trunks Step 2A-2: T1/E1 Interface Step 2A-3: Deliver Configuration from CCP to the Router Step 2A-4: Deliver Configuration from CCP to the Router Task 2B: Configure Analog FXO/FXS Interfaces Step 2B-1: Analog Trunks Task 3: Configure Secondary Dial Tone Task 4: Create Outgoing Dial Plan Step 4-1: POTS Dial Plans Step 4-2: Import Outgoing Template Step 4-3: Outgoing Dial Plan Summary Step 4-4: Selecting Destination Trunk Step 4-5: Apply Configuration Task 5: Create Outbound POTS Dial Peers Step 5-1: View POTS Dial Peers Step 5-2: Create POTS Dial Peer Step 5-3: Digit Manipulation Step 5-4: Dial Peers Challenge Step 5-5: Make Test Calls to the PSTN Simulator Task 6: Create Incoming Dial Plan Step 6-1: Create Dial Plans Wizard Selection Step 6-2: Incoming Dial Plan Summary Step 6-3: Create Incoming Dial Plan Step 6-4: Test Incoming Dial Plan Task 7: Create VoIP Dial Peers Step 7-1: Configure a WAN Connection Step 7-2: Configure a Routing Protocol (Optional) Step 7-3: View VoIP Dial Peers Step 7-4: Create VoIP Dial Peer Step 7-5: Create VoIP Dial Peer for Any Other Pods Step 7-6: Verify Calls to Other Pods Using the WAN Task 8: PSTN Failover Step 8-1: Configure a POTS Dial Peer for Failover Step 8-2: Configure a POTS Dial Peer for Failover Step 8-3: Digit Manipulation Step 8-4: Configure Remaining PSTN Failover Dial Peers Step 8-5: Test PSTN Failover Step 8-6: Verify That VoIP Dial Peers Resume Calls When the WAN Is Back Up Lab 6-7: Quality of Service (QoS) Task 1: Questions Task 2: AutoQoS on a Switch (Optional) Step 2-1: Configure a Port for a Cisco Phone Step 2-2: Configure a Port for PC with Cisco IP Communicator Step 2-3: Configure the Uplink to the Router Step 2-4: Examine the Changes to the Switch Config Step 2-5: Verify the QoS Operation Task 3: AutoQoS on a Router (Optional) Step 3-1: Configure the Port Connected to the Switch Step 3-2: Verify the QoS Configuration Chapter 7 Cisco Unified Communications Manager Express (CUCME) Productivity Features Lab 7-1: Configuring the Phone Directory Task 1: Load Prior Configurations Task 2: Populate the Directory Step 2-1: Manually Adding Directory Entries Using the CLI Step 2-2: Manually Adding Directory Entries Using CCP Step 2-3: Enabling the Local Directory on the Phone Display Lab 7-2: Configuring Call Forwarding Task 1: Load Prior Configurations Task 2: Configure Call Forwarding on the Phone Task 3: Configure Call Forwarding on the Router Step 3-1: Configuring Call Forwarding Using the CLI Step 3-2: Configuring Call Forwarding Using the CCP Step 3-3: Infinite Loop Solved Lab 7-3: Configuring Call Detail Records and Accounting Task 1: Load Prior Configurations Task 2: Establish Logging Locally on the Router Task 3: Establish Logging and CDRs to a Syslog Server Part III: Cisco Unified Communications Manager (CUCM) Chapter 8 Administrative Interfaces Lab 8-1: Exploring the CUCM GUI Task 1: CUCM Administrative Interfaces Task 2: The CCMAdmin Page Chapter 9 Managing Services, Phones, and Users Lab 9-1: Phone Boot Process Lab 9-2: CUCM Services Task 1: Remove DNS Dependencies Step 1-1: Change Server Host Name to IP Address Step 1-2: Change Phone References to IP Address Task 2: Examine Network and Feature Services Step 2-1: Examine Network Services Step 2-2: Examine Feature Services Task 3: Activating Feature Services and Using Help Step 3-1: Service Activation Page Step 3-2: Using the Help Menu Step 3-3: Activate Cisco CallManager and Cisco TFTP Services Task 4: Examine CUCM Licenses Step 4-1: View License Unit Report Lab 9-3: Autoregistration for Phones Task 1: Verify That Required Services Are Ready Task 2: Enable Autoregistration Step 2-1: Verify Enterprise Settings for Autoregistration Step 2-2: Enable Autoregistration Task 3: Testing with Phones Step 3-1: Connect Two Phones Step 3-2: Examine the Registered Phones Task 4: Cleanup Step 4-1: Disable Autoregistration Step 4-2: Remove Registered Phones Lab 9-4: Preparing for Phone Registration Task 1: Examine the Default Device Pool Task 2: Communications Manager Groups Example of a Cluster with Three Servers Task 3: Date/Time Groups Step 3-1: Create Central Time Zone Group