Implementing Cisco Unified Communications Manager, Part 2 (CIPT2) Foundation Learning Guide: (CCNP Voice CIPT2 642-457) [NOOK Book]

Overview

Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), Second Edition is a Cisco®-authorized, self-paced learning tool for CCNP Voice® foundation learning. This book provides you with the knowledge needed to install and configure a Cisco Unified Communications Manager solution in a multisite environment. By reading this book, you will gain a thorough understanding of how to apply a dial plan for a multisite environment, configure survivability for remote sites during WAN failure, and implement ...

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Implementing Cisco Unified Communications Manager, Part 2 (CIPT2) Foundation Learning Guide: (CCNP Voice CIPT2 642-457)

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Overview

Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), Second Edition is a Cisco®-authorized, self-paced learning tool for CCNP Voice® foundation learning. This book provides you with the knowledge needed to install and configure a Cisco Unified Communications Manager solution in a multisite environment. By reading this book, you will gain a thorough understanding of how to apply a dial plan for a multisite environment, configure survivability for remote sites during WAN failure, and implement solutions to reduce bandwidth requirements in the IP WAN.

This book focuses on Cisco Unified Communications Manager (CUCM) Release 8.x, the call routing and signaling component for the Cisco Unified Communications solution. The book has been fully updated and includes new coverage of topics such as Service Advertisement Framework (SAF), and Call Control Discovery (CCD).

Whether you are preparing for CCNP Voice certification or simply want to gain a better understanding of deploying Cisco Unified Communications Manager in a multisite environment, you will benefit from the foundation information presented in this book.

Implementing Cisco Unified Communications Manager, Part 2 (CIPT2), Second Edition, is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit cisco.com/go/authorizedtraining.

Chris Olsen , CCVP, and CCNP, along with numerous other Cisco voice specializations, Microsoft, VMware, and Novell certifications, has been an independent IT and telephony consultant, author, and technical editor for more than 15 years. He has been a technical trainer for more than 19 years and has taught more than 60 different courses in Cisco, Microsoft, VMware, and Novell. For the last seven years he has specialized in Cisco, and recently Microsoft Unified Communications along with VMware virtualization and Cisco data center technologies. He has done a wide array of IT and telephony consulting for many different companies.

· Identify multisite issues and deployment solutions

· Implement multisite connections

· Apply dial plans for multisite deployments

· Examine remote site redundancy options

· Implement Survivable Remote Site Telephony (SRST) and Media Gateway Control Protocol (MGCP) Fallback

· Implement CUCM Express in SRST mode

· Implement bandwidth management and call admission control (CAC)

· Configure device and extension mobility

· Apply Service Advertisement Framework (SAF) and Call Control Discovery (CCD)

This volume is in the Foundation Learning Guide Series offered by Cisco Press ® . These guides are developed together with Cisco as the only authorized, self-paced learning tools that help networking professionals build their understanding of networking concepts and prepare for Cisco certification exams.

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Product Details

  • ISBN-13: 9780132312141
  • Publisher: Pearson Education
  • Publication date: 8/15/2011
  • Series: Foundation Learning Guides
  • Sold by: Barnes & Noble
  • Format: eBook
  • Edition number: 2
  • Pages: 448
  • Sales rank: 731,781
  • File size: 16 MB
  • Note: This product may take a few minutes to download.

Meet the Author

Chris Olsen, CCSI, CCVP, and CCNP, along with numerous other Cisco voice and data center specializations, Microsoft, VMware, and Novell certifications, has been an independent IT and telephony consultant, author, and technical editor for more than 15 years. He has been a technical trainer for more than 19 years and has taught more than 60 different courses for Cisco, Microsoft, VMware, and Novell. For the last 7 years, he has specialized in Cisco, and recently, Microsoft Unified Communications along with VMware virtualization and Cisco data-center technologies. He has done a wide array of IT and telephony consulting for many different companies. Chris and his wife, Antonia, live in Chicago and Mapleton, Illinois. He can be reached at chrisolsen@earthlink.net.

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Table of Contents

Introduction xxi

Chapter 1 Identifying Issues in a Multisite Deployment 1

Multisite Deployment Challenge Overview 1

Quality Challenges 2

Bandwidth Challenges 3

Availability Challenges 6

Dial Plan Challenges 7

Overlapping and Nonconsecutive Numbers 9

Fixed Versus Variable-Length Numbering Plans 10

Variable-Length Numbering, E.164 Addressing, and DID 10

Detection of End of Dialing in Variable-Length Numbering Plans 12

Optimized Call Routing and PSTN Backup 14

Various PSTN Requirements 15

Issues Caused by Different PSTN Dialing 16

Dial Plan Scalability Issues 17

NAT and Security Issues 17

Summary 19

References 19

Review Questions 19

Chapter 2 Identifying Multisite Deployment Solutions 23

Multisite Deployment Solution Overview 23

Quality of Service 24

QoS Advantages 25

Solutions to Bandwidth Limitations 26

Low-Bandwidth Codecs and RTP-Header Compression 27

Codec Configuration in CUCM 28

Disabled Annunciator 29

Local Versus Remote Conference Bridges 30

Transcoders 30

Mixed Conference Bridge 32

Multicast MOH from the Branch Router Flash 33

Preventing Too Many Calls by CAC 37

Availability 38

PSTN Backup 39

MGCP Fallback 39

Fallback for IP Phones 41

Using CFUR to Reach Remote Site Cisco IP Phones During WAN Failure 42

Using CFUR to Reach Users of Unregistered Software IP Phones on Their Cell Phones 43

AAR and CFNB 44

Mobility Solutions 44

Dial Plan Solutions 45

Dial Plan Components in Multisite Deployments 45

Globalized Call-Routing Overview 46

Globalized Call Routing: Three Phases 48

Globalized Call Routing Advantages 50

NAT and Security Solutions 51

CUBE in Flow-Through Mode 51

Summary 52

References 53

Review Questions 53

Chapter 3 Implementing Multisite Connections 57

Examining Multisite Connection Options 57

CUCM Connection Options Overview 58

Cisco IOS Gateway Protocol Functions Review 59

Cisco IOS Gateway Protocol Comparison Review 60

SIP Trunk Characteristics 60

H.323 Trunk Overview 61

MGCP Gateway Implementation Review 64

Cisco IOS Gateway MGCP Configuration Methods Review 65

Configuring Cisco IOS Gateway for MGCP: Example 66

H.323 Gateway Implementation 68

Cisco IOS H.323 Gateway Configuration 69

CUCM H.323 Gateway Configuration 71

Trunk Implementation Overview 71

Gatekeeper-Controlled ICT and H.225 Trunk Configuration 72

Trunk Types Used by Special Applications 73

Implementing SIP Trunks 74

Implementing Intercluster and H.225 Trunks 75

CUCM Gatekeeper-Controlled ICT and H.225 Trunk Configuration 77

Summary 79

References 79

Review Questions 80

Chapter 4 Implementing a Dial Plan for International Multisite Deployments 83

Multisite Dial Plan Overview 84

Dial Plan Requirements for Multisite Deployments with Distributed Call Processing 84

Dial Plan Scalability Solutions 85

Implementing Site Codes for On-Net Calls 86

Digit-Manipulation Requirements When Using Access and Site Codes 87

Access and Site Code Requirements for Centralized Call-Processing Deployments 88

Implementing PSTN Access in Cisco IOS Gateways 90

Transformation of Incoming Calls Using ISDN TON 90

Implementing Selective PSTN Breakout 93

Configuring IP Phones to Use Local PSTN Gateway 93

Implementing PSTN Backup for On-Net Intersite Calls 95

Digit-Manipulation Requirements for PSTN Backup of On-Net Intersite Calls 95

Implementing TEHO 97

TEHO Example Without Local Route Groups 98

TEHO Example with Local Route Groups 100

Implementing Globalized Call Routing 102

Globalized Call Routing: Number Formats 103

Normalization of Localized Call Ingress on Gateways 106

Normalization of Localized Call Ingress from Phones 107

Localized Call Egress at Gateways 108

Localized Call Egress at Phones 110

Globalized Call-Routing Example: Emergency Dialing 112

Considering Globalized Call-Routing Interdependencies 115

Globalized Call Routing—TEHO Advantages 116

Globalized Call Routing—TEHO Example 116

Summary 118

References 118

Review Questions 119

Chapter 5 Examining Remote-Site Redundancy Options 123

Remote-Site Redundancy Overview 123

Remote-Site Redundancy Technologies 124

MGCP Fallback Usage 126

Basic Cisco Unified SRST Usage 127

Cisco Unified SIP SRST Usage 127

CUCME in SRST Mode Usage 128

Cisco Unified SRST Operation 128

SRST Function of Switchover Signaling 129

SRST Function of the Call Flow After Switchover 130

SRST Function of Switchback 131

SRST Timing 132

MGCP Fallback Operation 133

MGCP Gateway Fallback During Switchover 133

MGCP Gateway Fallback During Switchback 134

MGCP Gateway Fallback Process 136

Cisco Unified SRST Versions and Feature Support 137

SRST 4.0 Platform Density 138

Plus (+) Prefix and E.164 Support in Cisco Unified SRST 138

Support for Multiple MOH Sources 139

Dial Plan Requirements for MGCP Fallback and SRST Scenarios 139

Ensuring Connectivity for Remote Sites 140

Ensuring Connectivity from the Main Site Using Call Forward Unregistered 141

CFUR Considerations 142

CFUR Interaction with Globalized Call Routing 143

CFUR Example Without Globalized Call Routing 143

CFUR Example with Globalized Call Routing 145

Keeping Calling Privileges Active in SRST Mode 145

SRST Dial Plan Example 146

Summary 147

References 147

Review Questions 147

Chapter 6 Implementing Cisco Unified SRST and MGCP Fallback 151

MGCP Fallback and SRST Configuration 151

Configuration Requirements for MGCP Fallback and Cisco Unified SRST 152

Cisco Unified SRST Configuration in CUCM 152

SRST Reference Definition 153

CUCM Device Pool 153

SRST Configuration on the Cisco IOS Gateway 154

SRST Activation Commands 154

SRST Phone Definition Commands 155

SRST Performance Commands 156

Cisco Unified SRST Configuration Example 157

MGCP-Gateway-Fallback Configuration on the Cisco IOS Gateway 158

MGCP Fallback Activation Commands 158

MGCP Fallback Configuration Example 159

Dial Plan Configuration for SRST Support in CUCM 160

SRST Dial Plan of CFUR and CSS 161

SRST Dial Plan: Max Forward UnRegistered Hops to DN 162

MGCP Fallback and SRST Dial Plan Configuration in the Cisco IOS Gateway 163

SRST Dial Plan Components for Normal Mode Analogy 163

Cisco Unified SRST Dial Plan Dial Peer Commands 164

SRST Dial Plan Commands: Open Numbering Plans 167

SRST Dial Plan Voice Translation-Profile Commands for Digit Manipulation 170

SRST Dial Plan Voice Translation-Rule Commands for Number Modification 171

SRST Dial Plan Profile Activation Commands for Number Modification 172

SRST Dial Plan Class of Restriction Commands 173

SRST Dial Plan Example 173

Summary 178

References 178

Review Questions 179

Chapter 7 Implementing Cisco Unified Communications Manager Express (CUCME) in SRST Mode 181

CUCME Overview 181

CUCME in SRST Mode 183

Standalone CUCME Versus CUCM and CUCME in SRST Mode 183

CUCME Features 185

CUCME Features 186

Other CUCME Features 186

General Configuration of CUCME 187

CUCME Basic Configuration 188

CUCME Configuration Providing Phone Loads 189

CUCME Configuration for Music On Hold 190

Additional MOH Sources 191

Configuring CUCME in SRST Mode 192

Phone-Provisioning Options 193

Advantages of CUCME SRST 194

Phone Registration Process 195

Configuring CUCME for SRST 195

CUCME for SRST Mode Configuration 197

Summary 198

Reference 198

Review Questions 198

Chapter 8 Implementing Bandwidth Management 201

Bandwidth Management Overview 201

CUCM Codec Configuration 202

Review of CUCM Codecs 203

Local Conference Bridge Implementation 205

Transcoder Implementation 208

Implementing a Transcoder at the Main Site 209

Configuration Procedure for Implementing Transcoders 211

Step 1: Add a Transcoder Resource in CUCM 211

Step 2: Configure the Transcoder Resource in Cisco IOS Software 212

Multicast MOH from Remote Site Router Flash Implementation 215

Multicast MOH from Remote Site Router Flash Region Considerations 216

Multicast MOH from Remote Site Router Flash Address and Port Considerations 216

Multicast MOH: Address and Port Increment Example 217

Implementing Multicast MOH from Remote Site Router Flash 219

Configuration Procedure for Implementing Multicast MOH from the Remote Site Router Flash 221

Step 1: Enable Multicast Routing on Cisco IOS Routers 222

Step 2a: Configure MOH Audio Sources for Multicast MOH 223

Step 2b: Configure Multicast MOH in CUCM 223

Step 2c: Enabling Multicast MOH at the Media Resource Groups 225

Step 3: Enable Multicast MOH from Branch Router Flash at the Branch Router 226

Step 4a: Configure the Maximum Hops to Be Used for MOH RTP Packets 227

Step 4b: Use an IP ACL at the IP WAN Router Interface 227

Step 4c: Disable Multicast Routing on the IP WAN Router Interface 228

Summary 229

Reference 229

Review Questions 230

Chapter 9 Implementing Call Admission Control 233

CAC Overview 234

CAC in CUCM 234

Standard Locations 235

Locations: Hub-and-Spoke Topology 236

Locations: Full-Mesh Topology 237

Configuration Procedure for Implementing Locations-Based CAC 238

Locations Configuration Example of a Hub-and-Spoke Topology 238

Step 1: Configure Locations 239

Step 2: Assign Locations to Devices 240

RSVP-Enabled Locations 241

Three Call Legs with RSVP-Enabled Locations 241

Characteristics of Phone-to-RSVP Agent Call Legs 242

Characteristics of RSVP Agent-to-RSVP Agent Call Legs 243

RSVP Basic Operation 243

RSVP-Enabled Location Configuration 245

Configuration Procedure for Implementing RSVP-Enabled Locations-Based CAC 246

Step 1: Configure RSVP Service Parameters 247

Step 2: Configure RSVP Agents in Cisco IOS Software 250

Step 3: Add RSVP Agents to CUCM 252

Step 4: Enable RSVP Between Location Pairs 253

Automated Alternate Routing 255

AAR Characteristics 256

AAR Example Without Local Route Groups and Globalized Numbers 257

AAR Example with Local Route Groups and Globalized Numbers 258

AAR Considerations 259

AAR Configuration Procedure 260

Step 1: Configure AAR Service Parameters 261

Step 2: Configure Partitions and CSSs 261

Step 3: Configure AAR Groups 261

Step 4: Configure Phones for AAR 262

SIP Preconditions 264

CAC Without SIP Preconditions 265

CAC with SIP Preconditions 265

SIP Preconditions Operation 266

SIP Preconditions Call Flow Summary 267

Fallback from End-to-End RSVP to Local RSVP 269

SIP Preconditions Configuration Procedure 270

Step 2a: Configure SIP Profile 271

Step 2b: Apply SIP Profile to Trunk 272

H.323 Gatekeeper CAC 273

H.323 Gatekeeper Used for Call Routing for Address Resolution Only 274

Using an H.323 Gatekeeper for CAC 277

H.323 Gatekeeper Also Used for CAC 279

Provide PSTN Backup for Calls Rejected by CAC 281

Configuration Procedure for Implementing H.323 Gatekeeper-Controlled Trunks with CAC 282

Summary 283

References 283

Review Questions 284

Chapter 10 Implementing Device Mobility 289

Issues with Devices Roaming Between Sites 289

Issues with Roaming Devices 290

Device Mobility Solves Issues of Roaming Devices 291

Device Mobility Overview 292

Dynamic Device Mobility Phone Configuration Parameters 292

Device Mobility Dynamic Configuration by Location-Dependent Device Pools 294

Device Mobility Configuration Elements 295

Relationship Between Device Mobility Configuration Elements 295

Device Mobility Operation 297

Device Mobility Operation Flowchart 298

Device Mobility Considerations 300

Review of Line and Device CSSs 301

Device Mobility and CSSs 302

Examples of Different Call-Routing Paths Based on Device Mobility Groups and Tail-End Hop-Off 302

Device Mobility Interaction with Globalized Call Routing 304

Advantages of Using Local Route Groups and Globalized Call Routing 305

Example of No Globalized Call Routing with a Different Device Mobility Group 306

Example of No Globalized Call Routing with the Same Device Mobility Group 307

Globalized Call Routing Example 308

Device Mobility Configuration 309

Steps 1 and 2: Configure Physical Locations and Device Mobility Groups 309

Step 3: Configure Device Pools 310

Step 4: Configure Device Mobility Infos 311

Step 5a: Set the Device Mobility Mode CCM Service Parameter 312

Step 5b: Set the Device Mobility Mode for Individual Phones 313

Summary 314

References 314

Review Questions 315

Chapter 11 Implementing Extension Mobility 317

Issues with Users Roaming Between Sites 317

Issues with Roaming Users 318

Extension Mobility Solves Issues of Roaming Users 319

CUCM Extension Mobility Overview 319

Extension Mobility: Dynamic Phone Configuration Parameters 320

Extension Mobility with Dynamic Phone Configuration by Device Profiles 320

CUCM Extension Mobility Configuration Elements 321

Relationship Between Extension Mobility Configuration Elements 323

CUCM Extension Mobility Operation 323

Issues in Environments with Different Phone Models 326

Default Device Profile and Feature Safe 326

How Cisco Extension Mobility Handles Phone Model Differences 327

Cisco Extension Mobility and CSSs 328

Alternatives for Mismatching Phone Models and CSS Implementations 329

CUCM Extension Mobility Configuration 329

Step 1: Activate the Cisco Extension Mobility Feature Service 330

Step 2: Set Cisco Extension Mobility Service Parameters 330

Step 3: Add the Cisco Extension Mobility Phone Service 331

Step 4: Create Default Device Profiles 332

Step 5a: Create Device Profiles 333

Step 5b: Subscribe the Device Profile to the Extension Mobility Phone Service 334

Step 6: Associate Users with Device Profiles 335

Step 7a: Configure Phones for Cisco Extension Mobility 337

Step 7b: Subscribe the Phone to the Extension Mobility Phone Service 337

Summary 338

References 339

Review Questions 339

Chapter 12 Implementing Service Advertisement Framework (SAF) and Call Control Discovery (CCD) 343

SAF and CCD Overview 344

Dial Plan Scalability Issues in Large Networks 344

Scalable Dial Plan Solution for Large Networks 345

CCD Overview 345

SAF Characteristics 346

SAF Client Types 348

SAF Message Components 349

SAF Routing Characteristics 349

SAF Neighbor Relationships 350

SAF Client and SAF Forwarder Functions 351

CCD Characteristics 351

CCD Services in CUCM 353

Processing Received Routes in CUCM 354

CCD Operation 355

CCD Propagation of HQ Routes 356

CCD Propagation of BR Routes 356

CCD Call from HQ to BR 357

CCD with a Link Failure at BR 359

CCD for Call from HQ to BR During Link Failure 360

SAF and CCD Implementation 361

External SAF Client Configuration Elements 362

Internal SAF Client Configuration Elements 364

SAF Forwarder Configuration Procedure 365

External SAF Client Configuration Procedure 367

Step 1: Configure SAF Security Profile 367

Step 2: Configure SAF Forwarder 368

Step 3: Configure SAF-Enabled SIP Trunk 369

Step 4: Configure Hosted DN Group 370

Step 5: Configure Hosted DN Pattern 370

Step 6: Configure CCD Advertising Service 371

Step 7: Configure CCD Requesting Service and Partition 372

Step 8: Configure CCD Blocked Learned Patterns 373

Step 9: Configure CCD Feature Parameters 374

Internal SAF Client Configuration Procedure 376

Step 1: Configure Trunk Profile 376

Step 2: Configure Directory-Number Blocks 377

Step 3: Configure Call-Control Profile 378

Step 4: Configure Advertising Service 378

Step 5: Configure Requesting Service 379

Step 6: Configure VoIP Dial Peer 380

CCD Considerations 381

Monitoring Learned Routes from CUCM in RTMT 382

Monitoring Learned Routes in CUCME 382

CCD PSTN Backup CSS 383

SRST Considerations 384

CCD and Static Routing Integration Considerations 385

Cisco IOS SAF Client Considerations When Using Globalized Call Routing 386

Solution for PSTN Backup Advertised in E.164 Format Without Leading + 387

TEHO Considerations 388

Trunk Considerations When Using Globalized Call Routing 388

CUCM Clusters and CCD Configuration Modes 389

Other SAF and CCD Considerations 390

Summary 390

References 391

Review Questions 391

Answers Appendix 395

TOC, 9781587142536, 7/12/2011

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