Cisco press implementing cisco unified communications manager part 2 CIPT2 oct 2008 ISBN 1587055619 pdf

Authorized Self-Study Guide Implementing Cisco Unified Communications Manager, Part2(CIPT2) Chris Olsen, CCSI, CCVP Cisco Press 0 East 96th Street Indianapolis, IN 46240 USA Implementing Cisco Unified Communications Manager, Part (CIPT2) Chris Olsen Copyright © 2009 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 October 2008 Library of Congress Control Number: 2008014863 ISBN-13: 978-1-58705-561-4 ISBN-10: 1-58705-561-9 Warning and Disclaimer This book is designed to provide information about Cisco Unified Communications administration and to provide test preparation for the CIPT Part exam, which is part of the CCVP certification Every effort has been made to make this book as complete and accurate as possible, but no warranty or fitness is implied The information is provided on an "as is" basis The author, Cisco Press, and Cisco Systems, Inc shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accompany it The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems, Inc Trademark Acknowledgments All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized Cisco Press or Cisco Systems, Inc., cannot attest to the accuracy of this information Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark Corporate and Government Sales The publisher offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales, which may include electronic versions and/or custom covers and content particular to your business, training goals marketing focus, and branding interests For more information, please contact: U.S Corporate and Government Sales 1-800-382-3419 corpsales@pearsontechgroup.com For sales outside the United States, please contact: Internationa) Sales international@pearsoned.com The Cisco Press self-study book series is as described, intended for self-study It has not been designed for use in a classroom environment Only Cisco Learning Partners displaying the following logos are authorized providers of Cisco curriculum If you are using this book within the classroom of a training company that does not carry one of these logos, then you are not preparing with a Cisco trained and authorized provider For information on Cisco Learning Partners please visit:www.cisco.com/go/authorizedtraining To provide Cisco with any information about what you may believe is unauthorized use of Cisco trademarks or copyrighted training material, please visit: http://www.cisco.com/logo/infringcmcnt.htrnl il|lil | I CISCO • 1111111 CISCO Learning Solutions Partner Learning Partner Feedback Information At Cisco Press, our goal is to create in-depth technical books of the highest quality and value Each book is crafted with care and precision, undergoing rigorous development that involves the unique expertise of members from the professional technical community Readers* feedback is a natural continuation of this process If you have any comments regarding how we could improve the quality of this book, or otherwise alter it to better suit your needs, you can contact us through e-mail at feedback@ciscopress.com Please make sure to include the book title and ISBN in your message We greatly appreciate your assistance Publisher: Paul Boger Copy Editor: Gayle Johnson Associate Publisher: Dave Dusthimer Technical Editors: James Mclnvaille, Joseph Parlas Cisco Representative: Anthony Wolfenden Editorial Assistant: Vanessa Evans Cisco Press Program Manager: Jeff Brady Book Designer: Louisa Adair Executive Editor: Brett Bartow Composition: Octal Publishing, Inc Managing Editor: Patrick Kanouse Indexer: Brad Herriman Development Editor: Kimberley Debus Proofreader: Paula Lowell Project Editor: Seth Kerney About the Author Chris Olsen, CCSI and CCVP, has been an IT and telephony consultant for 12 years and has been a technical trainer for more than 17 years He has taught more than 60 different courses in Cisco, Microsoft, and Novell and for the last four years has specialized in Cisco Unified Communications Chris and his wife, Antonia, live in Chicago and Mapleton, Illinois He can be reached at chrisolsen@earthlink.net About the Technical Reviewers James Mclnvaille, CCSI No 21904, is a Certified Cisco Systems Instructor for Cisco Learning Partner Global Knowledge Network, Inc., as well as a contract consultant As an instructor, he is responsible for training students worldwide and consulting in the deployment of routing, switching, and IP telephony solutions Previously, Mr Mclnvaille was a Solutions Engineer for EDS for the Bank of America voice transformation project Prior to EDS, Mr Mclnvaille was a Senior Network Engineer for iPath Technologies, based in Reston, Virginia In this role, he provided technical training and professional services to Service Providers and Enterprise users of Juniper Networks routing and security product line During this time, Mr Mclnvaille earned his Juniper Networks Certified Internet Professional (JNCIP #297) certification Prior to iPath, Mr Mclnvaille was the Lead Technical Consultant (LTC) for the Carolina's region of Dimension Data, NA As an LTC, his responsibilities included the support and guidance of five engineers and technicians involved in the consultation, implementation, delivery, and training of VoIP and IP telephony solutions, as well as highlevel routing and switching designs In his spare time, Mr Mclnvaille and his beautiful wife Lupe enjoy riding their Harley Davidson near their home in Kershaw, South Carolina Joe Parlas, CCSI No 21904, has been an instructor for more than eight years, concentrating specifically on Cisco Voice technologies He has consulted for numerous Fortune 500 and Fortune 1000 companies, such as Sweetheart Cup, Inc., Black and Decker, and McCormick Spice He has also acted as a senior consultant with Symphony Health Services, Inc in various capacities Joe holds the CCNP, CCNA, A+, and MCSE: Messaging 2003 industry certifications and primarily teaches for Global Knowledge Network, Inc as a contract instructor Joe recently relocated his company, Parlas Enterprises, to the San Diego area, where he lives with his wife Parvin Shaybany Dedication This book is dedicated to my beautiful wife, Antonia Her unending support, love, and compassion are always a driving force in my life Acknowledgments I would like to thank the entire team at Global Knowledge for their excellent support and creation of a high-quality learning environment Thanks also to the staff at Cisco Press for their excellent support and advice Contents at a Glance Foreword Introduction xx xxi Chapter Identifying Issues in a Multisite Deployment Chapter Identifying Multisite Deployment Solutions Chapter Implementing Multisite Connections Chapter Implementing a Dial Plan for Multisite Deployments Chapter Examining Remote-Site Redundancy Options Chapter Implementing Cisco Unified SRST and MGCP Fallback Chapter Implementing Cisco Unified Communications Manager Express in SRST M o d e 23 53 79 97 123 157 Chapter Implementing Bandwidth Management Chapter Implementing Call Admission Control Chapter 10 Implementing Call Applications on Cisco IOS Gateways Chapter 11 Chapter 12 Implementing Device Mobility 277 Implementing Extension Mobility Chapter 13 Implementing Cisco Unified Mobility Chapter 14 Understanding C r y p t o g r a p h i c Fundamentals and PKI Chapter 15 Understanding Native CUCM Security Features and CUCMPKI Implementing Security in CUCM Appendix A A n s w e r s to Chapter Review Questions 472 207 255 327 391 Chapter 16 ndex 177 419 465 359 viii Contents Foreword xx Introduction Chapter xxi Identifying Issues in a Multisite Deployment Chapter Objectives Multisite Deployment Challenge Overview Quality Challenges Bandwidth Challenges Availability Challenges Dial Plan Challenges Overlapping and Nonconsecutive Numbers 12 Fixed Versus Variable-Length Numbering Plans 13 Variable-Length Numbering, E.l 64 Addressing, and DID 15 Optimized Call Routing and PSTN Backup 15 NAT and Security Issues 17 Chapter Summary 18 References 19 Review Questions 19 Chapter Identifying Multisite Deployment Solutions 23 Chapter Objectives 23 Multisite Deployment Solution Overview 24 Quality of Service 24 QoS Advantages 25 Solutions to Bandwidth Limitations 26 Low-Bandwidth Codecs and RTP-Header Compression Codec Configuration in CUCM 29 Disabled Annunciator 29 Local Versus Remote Conference Bridges 30 Mixed Conference Bridge Transcoders 31 30 Multicast MOH from the Branch Router Flash 33 Availability 37 PSTN Backup 38 MGCP Fallback 39 Fallback for IP Phones 40 Using CFUR During WAN Failure 42 Using CFUR to Reach Users on Cell Phones AAR and CFNB 42 43 Mobility Solutions 44 Dial Plan Solutions 44 Dial Plan Components in Multisite Deployments 45 28 ix NAT and Security Solutions 46 Cisco Unified Border Element in Flow-Through Mode 46 Summary 48 References 48 Review Questions 48 Chapter Implementing Multisite Connections 53 Chapter Objectives 53 Examining Multisite Connection Options 54 MGCP Gateway Characteristics H.323 Gateway Characteristics SIP Trunk Characteristics 56 55 55 H.323 Trunk Overview 56 H.323 Trunk Comparison 57 MGCP Gateway Implementation 59 H.323 Gateway Implementation 61 Cisco I OS H.323 Gateway Configuration 63 CUCM H.323 Gateway Configuration 64 Trunk Implementation Overview 65 Gatekeeper-Controlled ICT and H.225 Trunk Configuration Implementing SIP Trunks 67 Implementing Intercluster and H.225 Trunks 69 66 CUCM Gatekeeper-Controlled ICT and H.225 Trunk Configuration 70 Summary 73 References 73 Review Questions 74 Chapter Implementing a Dial Plan for Multisite Deployments Chapter Objectives 79 Multisite Dial Plan Overview 79 Implementing Access and Site Codes 80 79 Implementing Site Codes for On-Net Calls 80 Digit-Manipulation Requirements When Using Access and Site Codes 80 Access and Site Code Requirements for Centralized CallProcessing Deployments 82 Implementing PSTN Access 83 Transformation of Incoming Calls Using ISDN TON 84 Implementing Selective PSTN Breakout 86 Configure IP Phones to Use Remote Gateways for Backup PSTN Access 87 Considerations When Using Backup PSTN Gateways 88 Implementing PSTN Backup for On-Net Intersite Calls 89 Digit-Manipulation Requirements for PSTN Backup of On-Net Intersite Calls Implementing Tail-End Hop-Off 91 Considerations When Using TEHO 92 89 dynamic phone configuration parameters, Extension Mobility Extension Mobility associating users with, 318—319 creating, 312, 316 dynamic phone configuration, 305 subscribing to phone service, 316—318 multiple device profiles, 309 devices, roaming devices, 277-279 solutions, 279-280 dial peers, call applications, associating with, 270 dial plans MGCP gateway fallback Cisco IOS Gateway configuration, 135 requirements, 113—118 multisite deployment, 44 45, 79-80 access codes, 79—83 components, 45 DID (direct inward dialing), 10-11, 15,45 K164 addressing, 13-14, 45 fixed-length numbering plans, 13—14 nonconsecutive numbers, 10—13, 44 optimized call routing, 12, 15—17 overlapping numbers, 9, 12—13, 44 PSTN access, 80, 83-86 PSTN backup, 15-17, 45, 80 PSTN backup for on-net intersite calls, 89-91 selective PSTN breakout, 86-88 site codes, 79—83 TEHO (tail-end hop-off), 45, 91-92 toll bypasses, 45 TON (Type of Number), 45 TON (Type of Number) in ISDN, 11 variable-length numbering plans, 10, 13-] 44 r NANP (North American Numbering Plan), 10 SRST, 117-118, 146-150 Cisco IOS Gateway configuration, 135 class of restriction commands, 145-146 configuration, 132—134 Max Forward Unregistered Hops to DN, 134-135 normal mode, 135—136 open numbering plans, 140-141 profile activation commands for number modification, 144 requirements, 113—118 voice-translation-profile commands for digit manipulation, 142 voice-translation-profile commands for number modification, 143 Dialed Number Identification Service (DNIS), 12,80 dial-peer commands, SRST, 136-139 dialplan command, CUCME deployment, 164 dialplan-pattern Cisco IOS command, 114 dialplan-pattern command, 140-141, 149-150 DID (direct inward dialing) multisite deployment, 15, 45 PSTN number support, 90 ranges, dial plans, 10-11 digit manipulation access codes, requirements, 80-82 multisite deployment dial plans, 45 PSTN backup, 248 PSTN backup of on-net intersite calls, 89-91 site codes, requirements, 80-82 SRST dial plans, voice translation commands, 142 digital signatures, 370-371 authenticity, asymmetric encryption, 366 disabling remote annunciators, 27-30 distributed call processing, multisite deployments, DMG (Device Mobility Group) element, 283 DMI (Device Mobility Info) element, 283 DNIS (Dialed Number Identification Service), 12,80 downloading call applications, 268 DP (Device Pool) element, Device Mobility, 283 dspfarm profile command, 454 DSPs (digital signal processors), 181-182 dual-line keyword (SRST), 128 dynamic Device Mobility configuration by location-dependent device pools, 282 dynamic Device Mobility phone configuration parameters, 280-282 dynamic phone configuration parameters, Extension Mobility, 304-305 481 482 E&M (ear and mouth) E E&M (ear and mouth), 55 E.164 addressing, multisite deployment, 10, 11,15,45 ear and mouth (E&M), 55 elements Device Mobility configuration, 283-285 Extension Mobility, elements, 306-308 embedded Internet-CA certificates, 382-383 encapsulation, Layer encapsulation, encrypted IP Phone configuration files, 431-432 configuring, 434 obtaining, 433 TFTP encrypted vconfiguration files, 436 encryption asymmetric encryption, 362-366 algorithms, 364-365 authenticity of digital signatures, 366 data confidentiality, 366 hash-based message authentication codes, 367 PKI (Public Key Infrastructure), public key distribution, 373—374 RSA algorithm, 365 digital signatures, 370-371 hash-based message authentication codes, 366-369 pure hashing, 368 SHA-1, 367 PKI (Public Key Infrastructure), 372 as third-party protocol, 374 CAPF configuration, 425-431 Cisco CTL client installation, 422-423 Cisco CTL client updates, 425 Cisco CTL client usage, 423-424 cluster security mode, 424-425 configuration procedure, 421 distributing the public key of the trusted, 374-376 embedded Internet-CA certificates, 382-383 enabling, 420-422 encrypted configuration files, 431^34, 436 entities, 379-380 key pair generation, 374—375 LSC enrollment, 426, 430-431 phone security profiles, 434—436 providing certificates with entities, 377-379 public key distribution, 373—374 session encryption, 385—386 signed certificate requests, 376 signing certificates, 376—377 SSL (Secure Socket Layer), 381-382 symmetric key distribution, 372—373 web server authentication, 383—385 X.509v3 certificates, 380-381 secure call flow summary, 4 ^ SIP (Session Initiation Protocol) trunk encryption, 400-401 SRTP, 443-444 symmetric encryption, 362-364 AES (Advanced Encryption Standard), 363-364 encryption algorithms, 362—363 encryption algorithms, symmetric encryption, 362-363 End User configuration element (Extension Mobility), 306 end users Cisco Unified Mobility, configuring, 334 Mobile Connect, configuring, 338-340 Mobile Voice Access, configuring, 350-351 endpoint addressing, multisite deployment dial plans, 45 End-to-End QoS Network Design, Quality of Service in LANs, 178 Enrollments, LSCs, 426,430-431 Entities, PKI (Public Key Infrastructure), 379-380 ephone command, CUCME deployment, 163 ephone-dn command, CUCME deployment, 163 error messages (RSVP), 219 Extension Mobility, 301 configuration, 313-320 elements, 306-308 service parameters, 314 CSS (Call Search Spaces), 311-312 CUCM, 303-304 default device profiles, creating, 315-316 device profiles associating users with, 318—319 H.225 trunks creating, 312, 316 subscribing to phone service, 316-318 dynamic phone configuration parameters, 304-305 login process, 308 operations, 308-312 phone model differences, solutions, 310-311 phone service, adding, 315 phones configuring to, 318—319 subscribing to, 320 roaming, 301-303 Extension Mobility directory numbers (CUCM), 117,162 F fallback fallback for IP phones with SRST, address availability, 37,40-41 MGCP fallback, address availability, 37, 39-40 feature support, Cisco Unified SRST, 112 features, C U C M E , 161-163 fixed-length numbering plans access codes, 14 area codes, 13 country code, 13 international prefixes, 14 subscriber numbers, 13 trunk prefixes, 14 variable-length numbering plans, compared, 13-14 flow-around mode (Cisco Unified Border Element), 46 flow-through mode (Cisco Unified Border Element), 46-47 flowcharts, Device Mobility operations, 286-288 fractional ISDN P R I , 55 fractional PRI, 56 full-mesh topology, CAC (Call Admission Control), 211-212 G G.711 codec, 28 G.729 calls between BR1 and BR2,211 G.729 calls from BR1 to H Q , 212 G.729 calls from BR2 to H Q , 212 G.729 for M O H to remote sites, 37 gatekeeper-controlled I C T , configuration, 66-67 gatekeeper-controlled intercluster trunk, 239 gatekeeper-controlled trunks, 239 gateways backup PSTN gateways, 88 calls, sending out of A N I of another gateway, 88 Cisco IOS Gateway, configuring MGCP fallback on, 130-132 Cisco IOS gateways, 255 call applications, 256-267 H.323 gateway characteristics, 55—56 Cisco IOS H.323 gateway configuration, 63-64 CUCM H.323 gateway configuration, 64-455 H.323 SRTP CUCM, 447-449 hookflash transfers, 55 implementing, 61-65 MGCP (Media Gateway Control Protocol) gateway characteristics, 55 configuration, 60-61 fallback, configuration, 124 implementing, 59-61 SRTP to MGCP gateways, 447, 450 MGCP gateway fallback, 123 dial plan requirements, 113—118 process, 110—111 switchback, 109-110 switchover, 108-109 remote gateways, PSTN access, 88 general configuration, C U C M E , 163-166 MOH (Music On Hold), 165-166 providing phone loads, 165 global Cisco IOS command, 131 groups A A R (Automated Alternate Routing), 236 Device Mobility, configuring, 293 H H.225 trunks, 239 configuration, 66-67, 70-73 implementation, 69-70 483 484 H.323 (intercluster) trunks H.323 (intercluster) trunks, 56-57 comparisons, 57-59 H.323 device type, 239 H.323 gatekeeper CAC, 239-249 call routing for address resolution only, 240-243 configuring, 248-249 rejected calls, PSTN backup for, 247-248 H.323 gateways characteristics, 55-56 Cisco IOS H.323 gateway configuration, 63-64 CUCM H.323 gateway configuration, 64-65 H.323 SRTP CUCM, 447-449 hookflash transfers, 55 implementing, 61-65 H.323 ID, 239 H.323 SRTP CUCM, 447-449 H.323 zones, 240 H.450 transfer for CUCME 3.2,262 hash-based message authentication codes, 366-369 pure hashing, 368 SHA-1, 367 hookflash transfer, H.323 gateways, 55 Hookflash transfer with CUCM for H.323 gateways, 262 hops, MOH RTP packets, configuring for, 199 hub-and-spoke topology, CAC (Call Admission Control), 210-213 I IDEA (International Data Encryption Algorithm), 362 Implementing Cisco Unified Communications Manager, Part (CIPTI), 187,221,229, 235,248 incoming called-number command, 150 incoming calls ANI, adding access codes to, 84 transformation, ISDN TON, 84-86 infos, Device Mobility, configuring, 294-295 initial CTL downloads, 408-409 integrated voice and data access, 55 integrity, 360 digital signatures, 370-371 pure hashing, 368 intercluster trunks, implementation, 69-70 interfaces, call preservation, 100 International Data Encryption Algorithm (IDEA), 362 international prefixes, fixed and variablelength numbering plan, 14 IOS gateway, 45 Mobile Voice Access, configuring at, 352-355 IOS routers, multicast routing, enabling on, 196-197 IOS software, RSVP agents, configuring in, 225-227 IP (Internet Protocol), security issues, 359 IP ACLs, IP WAN router interfaces, using at, 200-201 IP Phones configuring, Cisco Unified Mobility, 334 Device Mobility, 280 encrypted configuration files, 431^132 configuring, 434 obtaining, 433 TFTP encrypted configuration files, 436 main-site CUCM MOH server access, 195 media exchange, configuring for, 446 Mobile Connect, configuring, 340-341 secure media transmissions, 441—442, 446-447 secure call flow summary, 445—446 SRTP authentication, 444-445 SRTP encryption, 443-444 SRTP packet format, 443 SRTP protection, 442 secure signaling, configuring for, 446 security profiles, 4 ^ signed configuration files, 431^132 usage, Cisco CTL, 410 verification, Cisco CTL, ^ IP phones, PSTN backup access, configuring for, 87-88 ip rsvp bandwidth command, 226 ip source-address command, 194 CUCME deployment, 163 ip source-address SRST activation command, 127 IP WAN bandwidth management, 177-178 CUCM codec configuration, 178-181 max-ephones c o m m a n d , CUCME deployment local conference bridges, implementing, 181-184 multicast MOH from branch router flash, implementing, 191-201 transcoders, implementing, 184-190 IP WAN router interfaces IP ACLs, using at, 200-201 multicast routing, disabling on, 201 IPsec, 363, 395 Cisco Unified Communications, scenarios, 395-396 network infrastructure devices, 397 isdn overlap-receiving command, 140 ISDN TON, incoming calls, transformations, 84-86 K keepalive SRST performance command, 128-129 key pairs, generating, PKI (Public Key Infrastructure), 374-375 keyed hashes, 369 keys PKI (Public Key Infrastructure), 372, 381-382 as trusted third-party protocol, 374 distributing the public key of the trusted introducer, 374—376 embedded Internet-CA certificates, 382-383 entities, 379-380 key pair generation, 374—375 providing certificates, 377—379 public key distribution in asymmetric cryptography, 373—374 session encryption, 385—386 signed certificate requests, 376 signing certificates, 376—377 symmetric key distribution protected by asymmetric, 372—373 web server authentication, 383—385 X.509v3 certificates, 380-381 same keys, 362 shared keys, 362 L Layer encapsulation, limit-dn SRST performance command, 128-129 line CSSs, 289-290 link failures, RSVP-enabled locations, 215 load model firmware-file command, 165 load-share paths, RSVP-enabled locations, 215 local annunciators, deploying, 27 local conference bridges deploying, 27, 30 implementing, 181-184 remote conference bridges, compared, 30 local MOH (Music On Hold) servers, deploying, 27 local MTP (Media Termination Points), deploying, 27 location-dependent device pools, Device Mobility, configuration, 282 locations CAC (Call Admission Control), 209-210 configuration, 212—215 full-mesh topology, 211—212 hub-and-spoke topology, 210—213 RSVP-enabled locations, 215-229 pairs of locations, enabling RSVP between, 228-229 physical locations, Device Mobility, 293 login process, Extension Mobility, 308 low-bandwidth audio codecs, 177 low-bandwith codecs, 26-28 LSCs, enrollments, 426,430-431 M mac-address command, CUCME deployment, 163 main sites connectivity, ensuring, 115 transcoders, implementing, 185-187 Max Forward Unregistered Hops to DN, SRST dial plan, 134-135 max-dn command, CUCME deployment, 163 max-dn phone definition command, 127-128 max-ephones command, CUCME deployment, 163 485 486 max-ephones phone definition command max-ephones phone definition command, 127-128 maximum hops, M O H RTP packets, configuring for, 199 maximum sessions software command, 226 M C U (Multipoint Control Unit), 178 media exchange Cisco IP Phones, configuring for, 446 multisite deployments, Media Gateway Control Protocol (MGCP) gateway fallback See M G C P (Media Gateway Control Protocol) gateway fallback media resource, Mobile Voice Access, configuring, 350-352 media security, C U C M E , 162 Media Termination Points (MTP) See M T P (Media Termination Points) messages, RSVP messages, 219 M G C P (Media Gateway Control Protocol) gateway fallback, 4,123 address availability, 37-40 automated MGCP commands, 61 characteristics, 55 configuration, 60-61, 124 on Cisco IOS Gateway, 130—132 requirements, 124 dial plans, Cisco IOS Gateway configuration, 135 implementing, 59-61 remote-site redundancy, 99 during switchback, 109—110 during switchover, 108-109 operation, 107—108 process, 110—111 usage, 107 SRTP to MGCP gateways, 447,450 M I C (locally significant certificates), 403-404 M I C (manufacturing installed certificates), 403 mixed conference bridges, deploying, 27, 30-31 Mobile Call Access, call flow, 331-332 Mobile Connect, 328-329 access lists applying to remote destination, 347-348 configuring, 346—347 configuring, 338-348 CSSs, configuring, 348 end user, configuring, 338-340 IP Phone, configuring, 340-341 partitions, configuring, 348 remote destination profile adding remote destinations to, 342-344 configuring, 340—342 service parameters, configuring, 344-345 softkey template, configuring, 338-339 Mobile Voice Access, 329 activating, 348-349 Cisco IOS gateway, configuring at, 352-355 configuring, 348-355 Cisco Unified Mobility, 335 end user, configuring, 350-351 media resource, configuring, 350-352 service parameters, configuring, 349-350 mobility services Cisco Unified Mobility, 327-329, 332-333 access lists, 329 call flow, 330-332 call logging, 329 configuration elements, 333—338 configuring, 338—355 Mobile Connect, 328-329 Mobile Voice Access, 329 shared line between phone and remote, 335-336 single enterprise number, 329 TUI (telephone user interface), 329 Device Mobility, 277, 280 call-routing paths, 290—292 configuration elements, 283—285 configuring, 293—296 CSSs (Call Search Spaces), 289-290 dynamic configuration by locationdependent device, 282 dynamic phone configuration parameters, 280-282 operations, 285—289 roaming, 277-280 Extension Mobility, 301-304 configuration elements, 306—308 configuring, 313—320 CSSs (Call Search Spaces), 311-312 different phone models, 310—311 multisite deployment dynamic phone configuration by device profiles, 305 dynamic phone configuration parameters, 304 operations, 308—309 roaming, 301—303 models, phones, Extension Mobility solutions, 310-311 M O H (Music On Hold), 123 Cisco Unified SRST, 150 CUCME, 165-166 G.729 for MOH to remote sites, 37 multicast MOH, 37 configuring audio sources for, 196-201 from branch router flash, implementing, 191—201 servers local MOH (Music On Hold) servers, deploying, 27 multicast MOH (Music On Hold) from branch router, 27, 33—37 M O H RTP packets, maximum hops, configuring for, 199 M T P (Media Termination Points) deploying, 27 implementing, 181-184 SIP (Session Initiation Protocol) trunks, 56 multicast M O H , audio sources, configuring for, 196-201 multicast M O H (Music On Hold), 37 multicast M O H (Music On Hold) from branch router flash deploying, 27, 33-37 implementing, 191-201 multicast routing Cisco IOS routers, enabling on, 196-197 IP W A N router interfaces, disabling on, 201 Multipoint Control Unit (MCU), 178 multisite deployment, 3,23 availability, 4, 8-9, ^ AAR (Automated Alternate Routing), 38,43 CFNB (Call Forward on No Bandwidth), 38, 43 CFUR (Call Forward Unregistered), 38-43 fallback for IP phones with SRST, 37, 40^1 MGCP fallback, 37, 39-AO mobility solutions, 38, 44 PSTN backup, 37-38 bandwidth limitations, 4-8, 26-37 limiting local calls, 27 local annunciators, 27 local conference bridges, 27, 30 local MOH (Music On Hold) servers, 27 local MTP (Media Termination Points), 27 low-bandwidth codecs, 26—28 mixed conference bridges, 27, 30—31 multicast MOH (Music On Hold) from, 27, 33-37 remote annunciators, 27—30 RTP-header compression, 27—28 transcoders, 27, 31—33 centralized call processing, Cisco IP Phone Extensible Markup Language (XML) services, connections, 53 CUCM gatekeeper-controlled ICT trunk configuration, 70—73 gatekeeper-controlled ICT configuration, 66—67 H.225 configuration, 70—73 H.225 trunk configuration, 66—67 H.225 trunk implementation, 69—70 H.323 (intercluster) trunks, 56-59 H.323 gateway, 61-65 H.323 gateways, 55-56 intercluster trunk implementation, 69-70 MGCP (Media Gateway Control Protocol) gateway, 55, 59-61 options, 54-56 SIP (Session Initiation Protocol) trunk implementation, 67-69 SIP (Session Initiation Protocol) trunks, 56 trunk implementation, 65—70 dial plans, 4, 9-17, 4 ^ , 79-80 access codes, 79-83 components, 45 DID (direct inward dialing), 10—I J, 15, 45 487 488 multisite deployment E.164 addressing, 10-11, 15, 45 fixed-length numbering plans, 13—14 nonconsecutive numbers, 10—13, 44 optimized call routing, 12, 15—17 overlapping numbers, 9, 12—13, 44 PSTN access, 80, 83-86 PSTN backup, 15-17, 45, 80 PSTN backup for on-net intersite dynamic configuration by locationdependent, 282 dynamic phone configuration parameters, 280—282 IP Phones, 280 operations, 285—288 roaming, 280 roaming devices, 277—280 Extension Mobility, 301 configuration elements, 306—308 configuring, 313—320 CSS (Call Search Spaces), 311-312 CUCM, 303-304 dynamic phone configuration parameters, 304—305 login process, 308 operations, 308—312 roaming, 301-303 remote-site redundancy, 97-98 Cisco Unified SIP SRST, 99 Cisco Unified SRST, 99, 101-107, 112-113 CUCME (Cisco Unified Communications, 99, 102 MGCP fallback, 98-99, 107-111, 113-118 SRST fallback, 98 SRST scenarios, 113-118 technologies, 99—100 calls, 89-91 selective PSTN breakout, 86-88 site codes, 79—83 TEHO (tail-end hop-off), 45, 91-92 toll bypasses, 45 TON (Type of Number), 45 TON (Type of Number) in ISDN, 11 variable-length numbering plans, 10, 13-15, 44 distributed call processing, media exchange, NAT, 4, 17-18,46-47 QoS (quality of service), 24-26 quality issues, 3-6 security, 4, 17-18, 46-47 solutions, 24 multisite environments, CAC (Call Admission Control), 207-208 AAR (Automated Alternate Routing), 230-239 CUCM, 208-209 H.323 gatekeeper CAC, 239-249 locations, 209-229 Cisco Unified Mobility, 327-333 access lists, 329 call flow, 330-332 call logging, 329 configuration elements, 333—338 configuring, 338—355 Mobile Connect, 328-329 Mobile Voice Access, 329 shared line between phone and remote, 335-336 single enterprise number, 329 TUI (telephone user interface), 329 Device Mobility, 277, 280, 289 call-routing paths, 290-292 configuration elements, 283—285 configuring, 293—296 CSSs (Call Search Spaces), 290 Music On Hold (MOH) See MOH (Music On Hold) muticast routing, Class D addresses, 193 N NANP (North American Numbering Plan), 10, 85 NAT (Network Address Translation), AC (Attendant Console), multisite deployment, 4, 17-18,46-47 network infrastructure devices, IPsec, 397 NFAS (Non-Facility Associated Signaling), 55 nonconsecutive numbers, dial plans, multisite deployment, 10-13 Non-Facility Associated Signaling (NFAS), 55 nonrepudiation, 360 digital signatures, 370-371 normal mode, SRST dial plans, 135-136 PKI (Public Key Infrastructure) North American Numbering Plan (NANP), 85 number command, CUCME deployment, 163 number modification, SRST dial plans profile activation commands, 144 voice translation commands, 143 numbering plans fixed-length numbering plans, 13-14 NANP (North American Numbering Plan), 85 open numbering plans, SRST, 140-141 variable-length numbering plans, 13-15 O on-net intersite calls, PSTN backup digit-manipulation requirements, 89-91 implementing for, 89-91 open numbering plans, SRST, 140-141 operations Device Mobility, 285-286 flowchart, 286-288 Extension Mobility, 308-312 optimized call routing, multisite deployment, 12-17 overlapping numbers dial plans, multisite deployment, 9, 12-13 multisite deployment, 44 nonconsecutive deployment, 44 pattern command, 151 performance commands, SRST, 128-129 Phone configuration element (Extension Mobility), 306 phone configuration options, CAPF, 426-428 phone configuration parameters Device Mobility, 280-282 Extension Mobility, 304-305 phone definition commands, SRST, 127-128 phone loads, CUCME, providing, 165 phone model differences, Extension Mobility, solutions, 310-311 phone numbers nonconsecutive numbers, multisite deployment, 12-13 overlapping numbers, multisite deployment, 12-13 two-way phone calls, 12 phone registration CUCME in SRST mode, 169-170 Device Mobility, 287-288 phone security profiles, 434-436 phone service, Extension Mobility, adding, 315 Phone Service configuration element (Extension Mobility), 306 phone-provisioning options, CUCME, 168-169 phones AAR (Automated Alternate Routing), P packets formats, SRTP, 443 voice packets, pairs of locations, RSVP, enabling between, 228-229 param command, 270 parameters Device Mobility, dynamic phone configuration parameters, 280-282 precedence, 143 paramspace command, 270 paramspace language command, 269 partitions, Mobile Connect, configuring, 348 PATH messages (RSVP), 219 path selection, multisite deployment dial plans, 45 configuring for, 237-239 Extension Mobility configuring to, 318—319 subscribing to, 320 phone-to-phone authentication, 439-440 phone-to-RSVP agent call legs, RSVPenabled locations, 216-217 physical locations, Device Mobility, configuring, 293 PKI (Public Key Infrastructure), 359,372, 402,419 as trusted third-party protocol, 374 CAPF, configuring, 425^131 Cisco CTL client installing, 422-423 updating, 425 usage, 423-424 Cisco CTLs (certificate trust lists), 405-406 489 490 PKI (Public Key Infrastructure) client function, 406-408 initial CTL download, 408^09 IP Phone usge, 410 IP Phone verification, 409-410 cluster security mode, setting, 424-425 configuration procedure, 421 distributing the public key of the trusted introducer, 374-376 embedded Internet-CA certificates, 382-383 enabling, A2Q-A22 encrypted configuration files, 431^132 configuring, 434 obtaining, 433 TFTP encrypted configuration files, 436 entities, 379-380 providing certificates with entities, 377-379 key pair generation, 374-375 LSC (locally significant certificates), 403-404 enrollment, 426, 430-431 MIC (manufacturing installed certificates), 403 multiple PKI roots in CUCM deployments, 404-405 phone security profiles, 434-436 public key distribution, 373-374 secure conferencing, 450-451 configuring, 452-458 secure SRST, 410-412 certificate import, 412—414 certificate usage, 414-415 trust requirements, 412 session encryption, 385-386 self-signed certificates, 402-403 session key exchange, 440-441 signing certificates, 376-377 signed configuration files, 431—432 SSL (Secure Socket Layer), 381-382 symmetric key distribution, 372-373 web server authentication, 383-385 X.509v3 certificates, 380-381 PL (Physical Location) element, Device Mobility, 283 policy settings, RSVP, 223 precedence, parameters, 143 Prefix DN, 72 PRI NFAS, 55 profile activation commands, SRST, number modification, 144 protocols MGCP (Media Gateway Control Protocol), RTP (Real-Time Transport Protocol), PSTN access implementing, 80-86 remote gateways, 88 PSTN backup address availability, 37-38 digit manipulation, 248 implementing, 80 IP phones, configuring for, 87-88 multisite deployment, 15-17, 45 on-net intersite calls digit-manipulation requirements, 89-91 implementing for, 89—91 rejected calls, providing, 247-248 PSTN breakout, implementing, 86-88 PSTN numbers, 10 public key distribution in asymmetric cryptography, 373-374 Public Key Infrastructure (PKI) See PKI (Public Key Infrastructure) public keys, distributing of the trusted introducer, PKI (Public Key Infrastructure), 374-376 public-key algorithms, 364-365 pure hashing, 368 Q QoS (quality of service), multisite deployment, 24-26 QoS Solution Reference Network Design (SRND), quality issues, multisite deployment, 3-6 quality of service (QoS) link efficiency mechanisms, bandwidth management, 177 R RC series, 362 Real-Time Transport Protocol (RTP), Real-Time Transport Protocol (RTP) header compression, bandwidth management, 177 RSVP-enabled locations redundancy (remote-site), 97-98 Cisco Unified SIP SRST, 99 Cisco Unified SRST, 99 feature support, 112 SRST 4.0 platform density, 112-113 usage, 101-107 versions, 112 CUCME (Cisco Unified Communications Manager Express) in, 99, 102 MGCP fallback, 98-99 dial plan requirements, 113—118 during switchback, 109—110 during switchover, 108-109 operation, 107—108 process, 110—111 usage, 107 SRST fallback, 98 SRST scenarios, dial plan requirements, 113-118 technologies, 99-100 registrations, phone registrations, Device Mobility, 287-288 rejected calls, PSTN backup for, 247-248 remote annunciators, disabling, 27,29-30 remote conference bridges, local conference bridges, compared, 30 remote destination profiles configuring, Cisco Unified Mobility, 334 Mobile Connect adding remote destinations to, 342-344 configuring, 340—342 remote destinations, 334 Mobile Connect, applying access lists to, 347-348 remote destination profiles, adding to, 342-344 remote gateways IP phones, configuring to use, 87-88 PSTN access, 88 remote sites connectivity, ensuring, 114 SRST dial plans, configuration, 147 remote-site redundancy, 97-98 Cisco Unified SIP SRST, 99 Cisco Unified SRST, 99 feature support, 112 usage, 101-107 versions, 112 CUCME (Cisco Unified Communications Manager Express) in, 99, 102 MGCP fallback, 98-99 dial plan requirements, 113—118 during switchback, 109—110 during switchover, 108—109 operation, 107-108 process, 110-111 usage, 107 SRST 4.0 platform density, 112-113 SRST fallback, 98 SRST scenarios, dial plan requirements, 113-118 technologies, 99-100 reservation-request messages (RSVP), 219 Rijmen, Vincent, 363 Rivest, Ronald L., 365,367 roaming Device Mobility, solutions, 279-280 devices, 277-279 Extension Mobility, 301-302 routing A A R (Automated Alternate Routing), CAC (Call Admission Control), 230-239 multicast routing, IOS routers, 196-197 RSA algorithm, 365 RSVP, 217-220 agents adding to CUCM, 227 configuring in Cisco IOS software, 225-227 messages, 219 pairs of location, enabling between, 228-229 policy settings, 223 service parameters, configuring, 221-225 RSVP agent-to-RSVP agent call legs, RSVPenabled locations, 217 rsvp command, 226 RSVP-enabled locations backup links, 215 CAC (Call Admission Control), 215 call legs, 215-229 link failures, 215 load-share paths, 215 phone-to-RSVP agent call legs, 216-217 RSVP agent-to-RSVP agent call legs, 217 three call legs, 215-216 491 492 RTP (Real-Time Transport Protocol) RTP (Real-Time Transport Protocol), RTP-header compression, 27-28 rule command, 143 S same keys, 362 s a m p l e r a t e , voice seep ccm group command, 454 scripts uncompressing to flash, 268 uploading, 268 SEAL (Software Encryption Algorithm), 362 secure call flow summary, Cisco IP Phones, 445-446 secure media transmissions, Cisco IP Phones, 441-447 secure call flow summary, 445^146 SRTP authentication, 444-445 SRTP encryption, 443-444 SRTP packet format, 443 SRTP protection, 442 secure signaling, Cisco IP Phones, configuring for, 446 secure SRST certificate import, 412^114 certificate usage, 414-415 PKI topology, 410-412 security, 391-393,419 authentication, SIP (Session Initiation Protocol) digest authentication, 398^100 Cisco Unified Communications, 394 cryptographic services, 359-362 asymmetric encryption, 362—366 data autheticity, 360 data confidentiality, 360 data integrity, 360 data nonrepudiation, 360 digital signatures, 370—371 hash-based message authentication codes, 366-369 PKI (Public Key Infrastructure), 359, 372-386, 391 symmetric encryption, 362—364 encryption, SIP (Session Initiation Protocol) trunk encryption, 400-401 H.323 SRTP CUCM, 447-449 IP Phones, secure media transmissions, 441-447 IPsec, 395 Cisco Unified Communications, 395-396 network infrastructure devices, 397 multisite deployment, 4, 17-18,46-47 phone security profiles, 434-436 PKI (Public Key Infrastructure), 391, 402 CAPF configuration, 425-431 Cisco CTL client installation, 422-423 Cisco CTL client updates, 425 Cisco CTL client usage, 423—424 Cisco CTLs (certificate trust lists), 405-410 cluster security mode, 424—425 configuration procedure, 421 enabling, 420-422 encrypted configuration files, 431-436 LSC (locally significant certificates), 403-404 LSC enrollments, 426, 430-431 MIC (manufacturing installed certificates), 403 multiple PKI roots in CUCM deployments, 404-405 phone security profiles, 434-436 secure SRST, 410-415 self-signed certificates, 402—403 signed configuration files, 431-432 secure conferencing, 450-451 configuring, 452—458 secure signaling, ^ certificate exchange in TLS, 438 phone-to-phone authentication, 439-440 server-to-phone authentication, 438-439 TLS session key exchange, 440—441 signed phone loads, 397-398 SRTP to MGCP gateways, 447, 450 support, 393 selective PSTN breakout, implementing, 86-88 self-signed certificates, 379-380,402-403 server-to-phone authentication, 438-439 service, 130 SRST (Survivable Remote Site Telephony) service alternate Default Cisco IOS command, 131 service Cisco IOS command, 131 service command, 269 service configuration parameter (CAPF), 426 service parameters SIP (Session Initiation Protocol) digest authentication, 398-399 call applications, configuring, 269-270 Extension Mobility, configuring, 314 Mobile Connect, configuring, 344-345 Mobile Voice Access, configuring, SIP (Session Initiation Protocol) trunks 349-350 RSVP, configuring, 221-225 site codes session encryption, PKI (Public Key Infrastructure), 385-386 Session Initiation Protocol (SIP) See SIP (Session Initiation Protocol) SHA-1 algorithm, 367 Shamir, Adi, 365 shared keys, 362 shared line between phone and remote destination profile, Cisco Unified Mobility, 335-336 show commands, 190 show running-config command, 199-201,245 signaling Cisco IP Phones H.323 SRTP CUCM, 447^49 secure media transmissions, 441—447 SRTP to MGCP gateways, 447, 450 secure conferencing, 450-451 configuring, 452-458 secure signaling, ^ certificate exchange in TLS, 438 phone-to-phone authentication, 439-440 server-to-phone authentication, 438-439 TLS session key exchange, 440-441 switchover signaling, SRST function of, 103-104 signatures, data signatures, 370-371 signed certificates, requesting, PKI (Public Key Infrastructure), 376 signed configuration files, 431-432 signed phone loads, 397-398 signing certificates, PKI (Public Key Infrastructure), 376-377 single enterprise number, Cisco Unified Mobility, 329 configuring, 399^100 SIP (Session Initiation Protocol) trunk encryption, 400-401 configuring, 401 characteristics, 56 implementation, 67-69 MTP (Media Termination Points), 56 centralized call-processing requirements, 82-83 digit manipulation requirements, 80-82 implementing, 81-83 softkey template, Mobile Connect, configuring, 338-339 software conference bridges, conference calls, performing, 27 Software Encryption Algorithm (SEAL), 362 SRST (Survivable Remote Site Telephony), 123,157 activation commands, 127 call flow after switchover, function of, 104-105 Cisco Unified SRST configuration, 124—130 telephony features, 150—151 voice-mail integration, 151 CUCME in SRST mode, compared, 169 dial plans, 117-118, 146-150 Cisco IOS Gateway configuration, 135 class of restriction commands, 145-146 configuration, 132—134 dial-peer commands, 136-139 Max Forward Unregistered Hops to DN, 134-135 normal mode, 135—136 open numbering plans, 140—141 profile activation commands for number modification, 144 voice-translation-profile commands for digit manipulation, 142 voice-translation-profile commands for number modification, 143 performance commands, 128-129 phone definition commands, 127-128 493 494 SRST (Survivable Remote Site Telephony) switchback, function of, 105 switchover signaling, function of, 103-104 timing, 105-107 SRST 4.0 platform density, 112-113 SRST fallback, remote-site redundancy, 98 SRST Mode, calling privileges, keeping active, 117 SRST mode (CUCME), 158-159 advantages, 169 configuring, 167 phone registration process, 169-170 SRTP (Secure Real-time Transport Protocol) Cisco IP Phones, secure media transmissions, 442-445 H.323 SRTP CUCM, 447-449 SRTP to MGCP gateways, 447,450 SRTP to M G C P gateways, 447,450 SSL (Secure Socket Layer), P K I (Public Key Infrastructure), 381-382 strict-match keyword (SRST), 127 subscriber numbers, fixed and variablelength numbering plan, 13 subscriptions, phones, Extension Mobility, 320 Survivable Remote Site Telephony (SRST) See SRST (Survivable Remote Site) switchback MGCP fallback, 109-110 SRST function of, 105 switchover, M G C P fallback, 108-109 switchover signaling, SRST function of, 103-104 symmetric encryption AES (Advanced Encryption Standard), 363-364 asymmetric encryption, compared, 362-364 encryption algorithms, 362-363 PKI (Public Key Encryption), symmetric key distribution, 372-373 session encryption, 385-386 symmetric key distribution protected by asymmetric encryption, 372-373 T T.37 fax on-ramp and off-ramp scripts, 262 Tl Feature Group D (FGD), 55 tail drop, 5-6 tail-end hop-off (TEHO) See T E H O (tail-end hop-off) Tel I V R 2.0 scripting language, 256-257 Cisco IOS support, 259-267 requirements, 261—262 VoiceXML, compared, 260-261 Tel script flowchart, auto-attendant scripts, 266-267 T D M (time-division multiplexing), 55 T D M T3 trunks, 56 teardown messages (RSVP), 220 technology prefixes, H.323 gateways, 240 T E H O (tail-end hop-off) call-routing paths, 290-292 implementing, 91-92 multisite deployment, 16,45 telephony Cisco Unified SRST, 150-151 SRST (Survivable Remote Site Telephony), 157 telephony-service command, C U C M E deployment, 163 three call legs, RSVP-enabled locations, 215-216 three-party G.711 ad hoc conferencing, Cisco Unified SRST, 150 time-division multiplexing ( T D M ) , 55 timeouts interdigit command, 140 timing (SRST), 105-107 TLS session key exchange, 440-441 toll bypasses multisite deployment, 45 PSTN calls, multisite deployment, 15 TON (Type of Number) ISDN, dial plans in multisite deployment, 11 multisite deployment, 45 topologies CUCME, 172 full-mesh topology, CAC (Call Admission Control), 211-212 hub-and-spoke topology, CAC (Call Admission Control), 210-213 transcoders, 178 configuring, 31-33 deploying, 27, 31-33 implementing, 184-190 transfers, hookflash transfers, H.323 gateways, 55 X.509v3 certificates, PKI transformations, incoming calls, ISDN TON, 84-86 translate command, 142 translation rule command, 142 translation-profile command, 144 Triple Data Encryption Standard (3DES), 362 trunk prefixes, fixed and variable-length numbering plan, 14 trunks country code, 13 dial plans, multisite deployment, 10 fixed-length numbering plans, compared, 13-14 international prefixes, 14 multisite deployment, 44 subscriber numbers, 13 trunk prefixes, 14 versions Cisco Unified SRST, 112 CUCME, 161-162 CUCM gatekeeper-controlled ICT trunks, configuration, 70-73 gatekeeper-controlled ICT, configuration, 66-67 gatekeeper-controlled trunks, 239 H.225 trunks configuration, 66-67, 70-73 implementation, 69—70 H.323 (intercluster) trunks, 56-57 comparisons, 57—59 implementing, 65-70 intercluster trunks, implementation, 69-70 SIP (Session Initiation Protocol) trunks characterisitics, 56 implementation, 67-69 MTP (Media Termination Points), 56 T D M T3 trunks, 56 video, CUCME, support for, 162 voice, sample rate, voice calls, limiting, 27 Voice Extensible Markup Language (VoiceXML), 55 voice packets, voice store-and-forward support with VoiceXML handoff, 262 voice translation-profiles command, 142-144 voice translation-rule command, 142-143 voice translation-rules command, 142 voicemail command, 151 voice-mail integration, Cisco Unified SRST, 150-151 VoiceXML, 256-259 Cisco IOS support, 259-267 requirements, 261—262 Tel IVR 2.0, compared, 260-261 trust requirements, secure SRST, 412 TUI (telephone user interface), Cisco Unified Mobility, 329 two-way phone calls, phone numbers, 12 type command, CUCME deployment, 164 w WAN failure, 104 CFUR (Call Forward Unregistered), 42 remote site gateway using an autoattendant scripts, 265-266 U uncompressing scripts to flash, 268 Unified Mobility See Cisco Unified Mobility uploading scripts, 268 users device profiles, associating with, 318-319 multiple device profiles, 309 users (PKI), 379 V variable-length numbering plans, 15 access codes, 14 area codes, 13 web server authentication, PKI (Public Key Infrastructure), 383-385 X X.509v3 certificates, PKI (Public Key Infrastructure), 380-381 495 ... Guide Implementing Cisco Unified Communications Manager, Part2 (CIPT2) Chris Olsen, CCSI, CCVP Cisco Press 0 East 96th Street Indianapolis, IN 4 624 0 USA Implementing Cisco Unified Communications Manager, ... CAC 22 1 Step 1: Configure RSVP Service Parameters 22 1 Step 2: Configure RSVP Agents in Cisco IOS Software 22 5 Step 3: Add RSVP A gents to CUCM 22 Step 4: Enable RSVP Between Location Pairs 22 8... Mobility Phone Service 320 Summary 320 References 321 Review Questions 321 Chapter 13 Implementing Cisco Unified Mobility Chapter Objectives 327 Cisco Unified Mobility Overview 327 327 Mobile Connect