CCNP and CCIE Collaboration Core Clcor 350-801 Official Cert Guide (CCNP與CCIE協作核心Clcor 350-801官方認證指南)

《CCNP和CCIE Collaboration Core CLCOR 350-801官方認證指南》通過使用經過驗證的系列元素和技巧，為您提供有組織的考試準備計劃。每章開始時的"Do I Know This Already?"測驗讓您決定需要花多少時間在每個部分上。考試主題列表使參考變得容易。章節結束時的考試準備任務幫助您深入了解必須全面掌握的關鍵概念。

《CCNP和CCIE Collaboration Core CLCOR 350-801官方認證指南》專注於Cisco CCNP/CCIE CLCOR 350-801考試的目標。協作專家Jason Ball分享了準備提示和應試技巧，幫助您識別弱點並提高概念知識和實踐技能。內容以簡潔的方式呈現，重點是增加您對考試主題的理解和記憶。

這個完整的學習套件包括：

- 一個被證明能幫助您通過考試的考試準備計劃
- "Do I Know This Already?"測驗，讓您決定需要花多少時間在每個部分上
- 章節結束時的關鍵主題表，幫助您深入了解必須全面掌握的關鍵概念
- 幫助您增強知識的練習題
- 作者提供的超過60分鐘的視頻指導
- 在線互動的Flash Cards應用程序，幫助您按章節進行關鍵詞的學習
- 最後的準備章節，引導您使用工具和資源來制定您的復習和應試策略
- 學習計劃建議和模板，幫助您組織和優化學習時間

Jason Ball, CCSI No. 33717, has been installing, consulting, and teaching technology for many years. In 2017, he started his own company, PCH Collaboration LLC, through which he works part time to offer end-user and technical training to anyone interested in voice and video communications. At his day job, Jason is a solutions readiness engineer for Cisco Americas Partner Organization (APO) through a company called ANI. In this position, he creates and hosts tech talks and labs for Cisco partners on current Cisco Collaboration products. Jason was the co-author of CCNA Collaboration CIVND 210-065 Official Cert Guide (Cisco Press), was the subject matter expert for CIVND2 and VTVS2 course development projects with Cisco, the developer for VII course development projects with Cisco, and a volunteer with FIRST Lego League and STEM. Current certifications include CCNA Route/Switch, CCDA, CCNP Collaboration, Advanced Video Field Engineer Representative, Advanced Video System Engineer Representative, Cisco Video Network Representative, CCSI, and CompTIA A+.

Jason and his brother Daniel offer some free tips and training through a YouTube channel called Collab Crush.

 

Jason Ball, CCSI No. 33717，已經安裝、諮詢和教授技術多年。在2017年，他創立了自己的公司PCH Collaboration LLC，兼職為對語音和視頻通訊感興趣的任何人提供最終用戶和技術培訓。在他的日常工作中，Jason是Cisco Americas Partner Organization (APO)的解決方案準備工程師，通過一家名為ANI的公司。在這個職位上，他為Cisco合作夥伴創建和主持關於當前Cisco Collaboration產品的技術講座和實驗室。Jason是CCNA Collaboration CIVND 210-065官方認證指南（Cisco Press）的合著者，是CIVND2和VTVS2課程開發項目的專家，也是與Cisco合作的VII課程開發項目的開發人員，還是FIRST Lego League和STEM的志願者。目前的認證包括CCNA Route/Switch、CCDA、CCNP Collaboration、高級視頻現場工程師代表、高級視頻系統工程師代表、Cisco視頻網絡代表、CCSI和CompTIA A+。

Jason和他的兄弟Daniel通過一個名為Collab Crush的YouTube頻道提供一些免費的技巧和培訓。

Introduction xxvi
Part I AV Fundamentals 3
Chapter 1 Introduction to Collaboration 4
Do I Know This Already? Quiz 4
Foundation Topics 6
Audio Communication 6
Video Communication 8
Unified Communication 10
Driving Change in the Industry 11
Exam Preparation Tasks 13
Review All Key Topics 13
Define Key Terms 13
Q&A 14

Chapter 2 Audio Basics 16
Do I Know This Already? Quiz 17
Foundation Topics 18
Basic Understanding of Sound 18
Wave Propagation 19
Technical Properties of Sound 20
Understanding Attenuation and Noise 22
Analog vs. Digital Signals 23
Nyquist-Shannon Sampling Theorem 24
Data Compression Equals Bandwidth Conversion 26
ITU Audio Encoding Formats 27
Exam Preparation Tasks 29
Review All Key Topics 29
Define Key Terms 30
Q&A 30

Chapter 3 Video Basics 32
Do I Know This Already? Quiz 33
Foundation Topics 35
Basic Understanding of Light 35
Chrominance and Luminance 36
Color Temperature 39
Capturing and Cameras 39
Frame Rates 40
Understanding Pixels and Resolution 41
Common Video Encoding Techniques 44
Standard Video Codecs 46
Video Compression 46
Video Quality 47
Video Container Formats and Codecs 48
H.264 Compared to H.265 HEVC 48
Content Channels 49
Exam Preparation Tasks 50
Review All Key Topics 50
Define Key Terms 50
Q&A 51

Chapter 4 Collaboration Endpoint Components and Environment 52
Do I Know This Already? Quiz 53
Foundation Topics 55
Physical Components 55
Sound Behavior 57
Microphone Types and Transducers 60
Pickup Patterns and Positioning 61
Mic Level and Line Level 63
Speakers: Active versus Passive 63
Audio Cables and Connectors 64
Acoustic Echo Canceller (AEC) 65
Microphone and Speaker Placement 66
Room Design for Noise Reduction 68
Light Behavior 69
Camera Field of View, Depth of Field, and Zoom 70
White Balance 71
Lighting Conditions 72
Room and Environment Considerations 73
Displays: Monitors and Projectors 76
Video Cables and Connectors 77
Immersive Telepresence 79
Video Etiquette 80
Exam Preparation Tasks 81
Review All Key Topics 81
Define Key Terms 82
Q&A 82

Chapter 5 Communication Protocols 84
Do I Know This Already? Quiz 85
Foundation Topics 88
PSTN Communication 88
H.323 Communication 91
H.323 Gatekeeper Registration 92
H.323 Call Flow without a Gatekeeper 92
H.323 Call Flow with a Gatekeeper 94
SIP Communication 95
Basic SIP Registration 96
SIP Call Setup 99
Delayed Offer 100
Early Offer 101
NAT and Firewall Traversal Solutions 102
STUN 104
TURN 105
ICE 107
ASSENT and H.460 108
Exam Preparation Tasks 109
Review All Key Topics 109
Define Key Terms 110
Q&A 110

Chapter 6 Cisco Solution for Converged Collaboration 112
Do I Know This Already? Quiz 114
Foundation Topics 116
Introduction to Cisco Endpoints 116
UC Phones 117
Soft Clients 117
Telepresence Endpoints 118
Introduction to Cisco Call Control 119
Cisco Unified Communications Manager 120
Cisco Unified Communications Manager Express 122
Cisco Expressway 123
Webex Control Hub 124
Introduction to Cisco Applications 125
Cisco Unity Connection Server 125
Cisco IM and Presence Service 126
Cisco Meeting Server 126
Management Software 127
Designing a Cisco Collaboration Solution 129
Licensing 130
Sizing 133
Bandwidth 134
High Availability 136
Disaster Recovery 139
Dial Plan 140
Security 142
QoS 144
Exam Preparation Tasks 145
Review All Key Topics 145
Define Key Terms 146
Command Reference to Check Your Memory 147
Q&A 147

Part II Endpoints 149
Chapter 7 Cisco Unified Communications Phones 150
Do I Know This Already? Quiz 150
Foundation Topics 152
7800 Series Phones 152
8800 Series Phones 155
Software Versions for Phones 158
Exam Preparation Tasks 160
Review All Key Topics 160
Define Key Terms 160
Q&A 160

Chapter 8 Cisco Telepresence Endpoints 162
Do I Know This Already? Quiz 163
Foundation Topics 165
CE Software 165
DX Series 168
SX Series 171
MX Series 174
Webex Series 177
Cisco Webex Room Kit Mini 177
Cisco Webex Room Kit 179
Cisco Webex Room Kit Plus 180
Cisco Webex Room Kit Pro 182
Cisco Webex 55 (Single and Dual) 183
Cisco Webex 70 G2 (Single and Dual) 184
Cisco Webex Board 185
IX Series 187
Exam Preparation Tasks 189
Review All Key Topics 189
Define Key Terms 190
Q&A 190

Chapter 9 Endpoint Registration 192
Do I Know This Already? Quiz 193
Foundation Topics 195
SIP Registration to the Cisco Unified Communications Manager 195
PoE 196
CDP and LLDP-MED 200
DHCP 204
TFTP 209
SIP Registration 211
ITL, CTL, and CAPF 214
SIP Registration to Expressway Core 216
DHCP versus Static IP 217
Manual Configuration of SIP Settings 220
H.323 Registration to the Expressway Core 223
H.323 Aliases 223
Manual Configuration of H.323 Settings 224
Exam Preparation Tasks 227
Review All Key Topics 227
Define Key Terms 228
Command Reference to Check Your Memory 228
Q&A 230

Chapter 10 Call Settings on Cisco CE Software-Based Endpoints 232
Do I Know This Already? Quiz 233
Foundation Topics 235
Calling Options 235
Call by Alias 236
Call by Directory 239
Multipoint Calling 241
One Button to Push (OBTP) and Scheduling Conferences 243
Content Sharing Options 244
Sharing Content 245
Using Intelligent Proximity for Content Sharing 245
Other Features 246
Audio Settings 246
Encryption Mode 248
AutoAnswer 248
Far-End Camera Control (FECC) 249
Phonebooks 250
Video Settings 251
Exam Preparation Tasks 257
Review All Key Topics 257
Define Key Terms 258
Q&A 258

Chapter 11 Maintaining Cisco Endpoints 260
Do I Know This Already? Quiz 260
Foundation Topics 262
Upgrading Endpoints 262
Upgrading Through the Cisco Unified Communications Manager 262
Upgrading CE Software-Based Endpoints Manually 266
Upgrading CE Software-Based Endpoints Through Cisco TMS 267
Backing Up and Restoring CE Software-Based Endpoints 268
Manual Backup and Restore 269
Backup and Restore Through Cisco TMS 272
Exam Preparation Tasks 274
Review All Key Topics 274
Define Key Terms 275
Q&A 275

Part III Network Requirements for Collaboration Deployments 277
Chapter 12 Cisco Core Network Components 278
Do I Know This Already? Quiz 279
Foundation Topics 281
LAN, WAN, and Wireless LAN 281
LAN 284
Access Layer 285
Distribution Layer 286
Core Layer 287
WAN 287
WLAN 289
Basic Configuration and Design 289
High Availability 291
Capacity Planning 293
Design Considerations 293
Gateways 294
ISR, ASR, and IOS Software Comparisons 295
ISR Products Explained 297
Exam Preparation Tasks 300
Review All Key Topics 300
Define Key Terms 301
Q&A 301

Chapter 13 Layer 2 and Layer 3 QoS Parameters 302
Do I Know This Already? Quiz 304
Foundation Topics 306
QoS-Related Issues 306
Latency, Jitter, and Packet Loss 307
Bandwidth 308
Class Models for Provisioning QoS 309
4/5 Class Model 309
8 Class Model 310
QoS Baseline Model (11 Class) 311
QoS Requirements 313
QoS Trust Boundaries 313
Congestion Management 314
Congestion Avoidance 315
Policing 315
Shaping 315
Link Efficiency Methods 316
Traffic Classifications 316
LAN and WAN Traffic Classifications 316
WLAN Traffic Classifications 318
Configure and Verify LLQ 319
Class Map 321
Policy Map 322
Service Policy 324
Verify and Monitor LLQ Settings 324
Exam Preparation Tasks 325
Review All Key Topics 325
Define Key Terms 326
Command Reference to Check Your Memory 327
Q&A 329

Chapter 14 DNS, NTP, and SNMP 330
Do I Know This Already? Quiz 331
Foundation Topics 332
DNS Settings 332
A/AAAA-Records 333
SRV Records 335
Reverse Pointer Record (PTR) 336
NTP Settings 337
SNMP Settings 338
Exam Preparation Tasks 340
Review All Key Topics 340
Define Key Terms 341
Q&A 341

Part IV Call Control Mechanisms 343
Chapter 15 Cisco Unified Communications Manager Setup 344
Do I Know This Already? Quiz 345
Foundation Topics 347
Services 347
Enterprise Parameters 351
Service Parameters 353
Other Settings 355
Groups 355
Device Settings 357
Device Defaults 358
Phone Button Template 358
Soft Key Template 359
Phone Services 360
SIP Profile 360
Device Pool Settings 360
Codec Negotiations Using Regions 361
Exam Preparation Tasks 364
Review All Key Topics 364
Define Key Terms 365
Q&A 365

Chapter 16 LDAP Integration with Cisco Unified Communications Manager 366
Do I Know This Already? Quiz 367
Foundation Topics 369
Application Users and End Users 369
Cisco Unified Communications Directory Architecture 372
LDAP Synchronization 373
Synchronization Mechanism 378
Automatic Line Creation 379
Enterprise Group Support 382
Security Considerations 383
Design Considerations for LDAP Synchronization 383
Additional Considerations for Microsoft AD 384
LDAP Authentication 385
Design Considerations for LDAP Authentication 387
Additional Considerations for Microsoft AD 388
Exam Preparation Tasks 388
Review All Key Topics 388
Define Key Terms 389
Q&A 389

Chapter 17 Registering SIP Endpoints to the Cisco Unified Communications Manager 390
Do I Know This Already? Quiz 391
Foundation Topics 393
Bulk Administration Tool (BAT) 402
BAT Configuration Templates 404
CSV Data File Formats 405
BAT Spreadsheet Data Collection for CSV Data File Creation 407
Validate the Data Input Files 408
Insert BAT Data Input File Records into Database 409
Exam Preparation Tasks 410
Review All Key Topics 410
Define Key Terms 410
Q&A 410

Chapter 18 Cisco Unified Communications Manager Call Admission Control (CAC) 412
Do I Know This Already? Quiz 413
Foundation Topics 415
Endpoint Addressing 415
Numeric Addresses 419
Alphanumeric Addresses 420
Call Privileges 423
Partitions and Calling Search Spaces 424
Time of Day (ToD) Routing 429
Location-Based CAC Bandwidth Requirements 430
Call Coverage 434
Hunting 434
Line Group Members 435
Hunt Lists 435
Line Groups 436
Hunt Pilots 437
Call Hunting Operation and Call Flow 438
Call Queuing Settings 439
Exam Preparation Tasks 442
Review All Key Topics 442
Define Key Terms 443
Q&A 443

Chapter 19 Configuring Globalized Call Routing in Cisco Unified Communications Manager 444
Do I Know This Already? Quiz 445
Foundation Topics 446
Call Routing and Path Selection 446
Route Groups and Local Route Groups 452
Route Lists 455
Route Patterns and SIP Route Patterns 456
Digit Manipulation 458
Translation Patterns 459
Transformation Patterns 459
Exam Preparation Tasks 461
Review All Key Topics 461
Define Key Terms 461
Q&A 461

Part V Edge Services 463
Chapter 20 Introduction to Cisco Edge Services 464
Do I Know This Already? Quiz 465
Foundation Topics 466
Cisco Expressway 466
Cisco Voice Gateway Elements 469
Cisco Unified Border Element 471
Exam Preparation Tasks 472
Review All Key Topics 472
Define Key Terms 473
Q&A 473

Chapter 21 Mobile and Remote Access (MRA) 474
Do I Know This Already? Quiz 475
Foundation Topics 478
Requirements for MRA 478
DNS A-Records and SRV Records 479
Firewall Ports and Considerations 480
Certificate Requirements and Recommendations 481
HTTPS Reverse Proxy Settings 482
Service Discovery 483
Cisco Unified Communications Manager Settings for MRA 484
TLS Verify Requirements 487
Cisco Expressway Certificates 490
Cisco Unified Communications Manager Certificates 491
Creating Certificates for MRA 492
Initializing MRA on Expressway Servers 497
Collaboration Traversal Zones and Search Rules 501
Exam Preparation Tasks 504
Review All Key Topics 504
Define Key Terms 505
Q&A 505

Chapter 22 Cisco IOS XE Gateway and Media Resources 506
Do I Know This Already? Quiz 507
Foundation Topics 510
DTMF 510
CUCM Call-Routing Options 514
MGCP Gateway 516
H.323 Gateway 517
SIP Trunk 518
Cisco IOS XE Gateway Settings for ISDN Routing 519
Codec Preference List 520
Dial Peers 521
Voice Translation Rules and Profiles 526
Configure and Troubleshoot ISDN BRI 530
Step 1: Configuring BRI NT and TE Interfaces 530
Step 2: Verifying the BRI Interfaces 532
Configure and Troubleshoot ISDN PRI 533
Step 1: Configuring PRI Interfaces on the IOS XE Gateway 534
Step 2: Verifying PRI Interfaces 535
Exam Preparation Tasks 536
Review All Key Topics 537
Define Key Terms 537
Command Reference to Check Your Memory 537
Q&A 544

Part VI Collaboration Applications 547
Chapter 23 Understanding Cisco Unity Connection 548
Do I Know This Already? Quiz 549
Foundation Topics 550
Cisco Unity Connection Integration 550
Cisco Unity Connection System Settings 554
Cisco Unity Connection Call Handlers 555
Cisco Unity Connection Call Routing 556
Cisco Unity Connection Distribution Lists 558
Cisco Unity Connection Authentication Rules 558
Cisco Unity Connection Dial Plan 558
Exam Preparation Tasks 559
Review All Key Topics 559
Define Key Terms 559
Q&A 559

Chapter 24 Cisco Unity Connection End-User and Voice Mailbox 560
Do I Know This Already? Quiz 561
Foundation Topics 563
Cisco Unity Connection End-User Templates 563
User Templates Basics 567
Default Class of Service 569
Password Settings and Roles 570
Transfer Rules and Greetings 571
Call Actions 572
Message Actions and Caller Input 573
TUI Experience 575
Cisco Unity Connection End Users 576
Cisco Unity Connection Voice Mailboxes 582
Exam Preparation Tasks 584
Review All Key Topics 584
Define Key Terms 585
Q&A 585

Chapter 25 CUCM IM and Presence Service 586
Do I Know This Already? Quiz 586
Foundation Topics 589
CUCM IM and Presence Service Features and Functionalities 589
CUCM IM and Presence Service Architecture 591
CUCM IM and Presence Service High Availability 597
Configure the CUCM IM and Presence Server 598
Exam Preparation Tasks 606
Review All Key Topics 606
Define Key Terms 607
Q&A 607

Chapter 26 Users and Cisco Jabber Soft Clients 608
Do I Know This Already? Quiz 609
Foundation Topics 611
Registration Options for Jabber Client 611
Softphone Mode 612
Deskphone Mode 615
Hybrid Message Service 616
Team Messaging Mode 619
Configure Cisco Unified Communications Manager for Jabber Client 620
Configure End-User Accounts 620
Configure Cisco Unified Client Services Framework (CSF) Phone 622
Add CSF Phone to End-User Account 624
Computer Telephony Integration (CTI) and Other Considerations 625
Exam Preparation Tasks 630
Review All Key Topics 630
Define Key Terms 630
Q&A 631

Part VII Troubleshooting Collaboration Components 633
Chapter 27 Troubleshooting Endpoints 634
Do I Know This Already? Quiz 635
Foundation Topics 637
Accessing Logs on Cisco Unified IP Phones 637
Accessing Logs on CE Software-Based Endpoints 639
Log Collection 639
Log Bundle 641
Call Signaling and Quality 644
Signaling and Media Detail Capture 645
Common Registration Issues 647
Common Call Setup Issues 652
Common Media Issues 655
Troubleshooting Cisco Jabber 659
Exam Preparation Tasks 663
Review All Key Topics 663
Define Key Terms 664
Q&A 664

Chapter 28 Cisco Unified Communications Manager Reports 666
Do I Know This Already? Quiz 666
Foundation Topics 668
Dialed Number Analyzer 668
CAR Tool 670
CDR and CMR Logs on CUCM 673
User Reports on CUCM 676
System Reports on CUCM 677
Device Reports on CUCM 679
Exam Preparation Tasks 680
Review All Key Topics 680
Define Key Terms 681
Q&A 681

Chapter 29 Real-Time Monitoring Tool (RTMT) 682
Do I Know This Already? Quiz 682
Foundation Topics 684
Cisco Unified RTMT Overview 684
Monitor Systems with RTMT 688
Monitor the CUCM with RTMT 693
Exam Preparation Tasks 697
Review All Key Topics 697
Define Key Terms 698
Q&A 698

Chapter 30 Understanding the Disaster Recovery System 700
Do I Know This Already? Quiz 700
Foundation Topics 702
Disaster Recovery System Overview 702
Backup Cisco Unified Communications Solutions 704
Restore Cisco Unified Communications Solutions 707
Exam Preparation Tasks 709
Review All Key Topics 709
Define Key Terms 709
Q&A 709

Chapter 31 Monitoring Voicemail in Cisco Unity Connection 710
Do I Know This Already? Quiz 710
Foundation Topics 712
Generate Reports on Cisco Unity Connection 712
Generate Reports in Cisco Unified Serviceability 718
Use Reports for Troubleshooting and Maintenance 720
Exam Preparation Tasks 724
Review All Key Topics 724
Define Key Terms 725
Q&A 725
Part VIII Final Preparation 727
Chapter 32 Final Preparation 728
Hands-on Activities 728
Suggested Plan for Final Review and Study 728
Summary 729
Part IX Appendices 731
Appendix A Answers to the Do I Know This Already? Quizzes and Q&A Sections 732
Appendix B Implementing and Operating Cisco Collaboration Core Technologies (CLCOR 350-801) Exam Updates 762
Glossary 765


Online Elements
Appendix C Memory Tables
Appendix D Memory Tables Answer Key
Appendix E Study Planner
Glossary
 

導言 xxvi
第一部分 AV 基礎知識 3
第1章 協作介紹 4
我是否已經了解這個問題？測驗 4
基礎主題 6
音頻通信 6
視頻通信 8
統一通信 10
推動行業變革 11
考試準備任務 13
回顧所有關鍵主題 13
定義關鍵詞 13
問答 14

第2章 音頻基礎知識 16
我是否已經了解這個問題？測驗 17
基礎主題 18
對聲音的基本理解 18
波的傳播 19
聲音的技術特性 20
理解衰減和噪音 22
類比信號與數字信號 23
奈奎斯特-香農取樣定理 24
數據壓縮等於帶寬轉換 26
ITU 音頻編碼格式 27
考試準備任務 29
回顧所有關鍵主題 29
定義關鍵詞 30
問答 30

第3章 視頻基礎知識 32
我是否已經了解這個問題？測驗 33
基礎主題 35
對光的基本理解 35
色度和亮度 36
色溫 39
捕捉和攝像機 39
幀速率 40
理解像素和解析度 41
常見的視頻編碼技術 44
標準視頻編解碼器 46
視頻壓縮 46
視頻質量 47
視頻容器格式和編解碼器 48
H.264 與 H.265 HEVC 的比較 48
內容通道 49
考試準備任務 50
回顧所有關鍵主題 50
定義關鍵詞 50
問答 51

第4章 協作終端組件和環境 52
我是否已經了解這個問題？測驗 53
基礎主題 55
物理組件 55
聲音行為 57
麥克風類型和傳感器 60
拾音模式和定位 61
麥克風水平和線路水平 63
扬声器：主動與被動 63
音頻電纜和連接器 64
聲學回音消除器（AEC） 65
麥克風和揚聲器的放置 66
降噪的房間設計 68
光的行為 69
攝像機視野、景深和變焦 70
白平衡 71
照明條件 72
房間和環境考慮因素 73
顯示器：顯示器和投影機 76
視頻電纜和連接器 77
沉浸式遠程會議 79
視頻禮儀 80
考試準備任務 81
回顧所有關鍵主題 81
定義關鍵詞 82
問答 82

第5章 通信協議 84
我是否已經了解這個問題？測驗 85
基礎主題 88
公共交換電話網通信 88
H.323 通信 91
H.323 閘道器註冊 92
沒有閘道器的 H.323 呼叫流程 92
有閘道器的 H.323 呼叫流程 94
SIP 通信 95
基本 SIP 註冊 96
SIP 呼叫設置 99
延遲提供 100
提前提供 101
NAT 和防火牆穿越解決方案 102
STUN 104
TURN 105
ICE 107
ASSENT 和 H.460 108
考試準備任務 109
回顧所有關鍵主題 109
定義關鍵詞 110
問答 110

第6章 Cisco 融合協作解決方案 112
我是否已經了解這個問題？測驗 114
基礎主題 116
Cisco 終端介紹 116
UC 電話 117
軟客戶端 117
遠程會議終端 118
Cisco 呼叫控制介紹 119
Cisco 統一通信管理器 120
Cisco 統一通信管理器 Express 122
Cisco Expressway 123
Webex 控制中心 124
Cisco 應用介紹 125
Cisco Unity Connection 伺服器 125
Cisco IM 和 Presence 服務 126
Cisco 會議伺服器 126
管理軟件 127
設計 Cisco 協作解決方案```