Language: English
Pages: 448
Organization......Page 9
Revision History......Page 10
Related Information......Page 11
IP Telephony Architecture Overview......Page 13
Evaluating and Documenting the Existing Data Infrastructure......Page 15
LAN/Campus Environment......Page 16
LAN/Campus Topology......Page 17
Location of Servers and Gateways......Page 18
Device Analysis......Page 19
Network Baseline......Page 20
WAN Topology......Page 21
Location of Servers and Gateways......Page 22
Device Analysis......Page 23
Evaluating and Documenting the Existing Telecom Infrastructure......Page 24
Examining the Existing Telecom Topology......Page 25
Examining Voice Trunking......Page 26
Examining the Existing Dial Plan......Page 31
Evaluating and Documenting the Existing Power/Cabling Infrastructure......Page 35
Data Center Power Requirements......Page 36
Wiring Closet Power......Page 37
IP Telephony Availability Requirements......Page 38
Hardware Reliability......Page 39
Software Reliability......Page 40
Link/Carrier Availability......Page 41
Power/Environment......Page 43
Network Design......Page 45
User Error and Process......Page 47
Collecting Information on the Current WAN Environment......Page 48
Device Information......Page 49
Resource Utilization......Page 50
Performance Information......Page 51
Determining Voice Bandwidth Requirements......Page 52
Analyzing Upgrade Requirements......Page 55
Assessing Results......Page 57
IP Telephony Capacity Planning......Page 58
Planning for Network Capacity and Performance......Page 59
Solution Manageability Requirements......Page 62
Functional Areas of Network Management......Page 63
IP Telephony Infrastructure Management......Page 64
Staffing and Expertise Requirements......Page 65
Operations Support Plan......Page 70
Related Information......Page 71
The Importance of QoS......Page 72
Delay and Jitter......Page 73
Connecting the IP Phone......Page 78
Single Cable IP Phone Installation......Page 79
Multiple Cable IP Phone Installations......Page 84
Separate Access Layer Switches......Page 86
Campus Switching Designs for IP Telephony......Page 87
Marking Control and Management Traffic......Page 90
Catalyst 6000 Access Layer......Page 93
Catalyst 4000 Access Layer......Page 100
Catalyst 3500 Access Layer......Page 102
Catalyst 6000 Distribution Layer......Page 105
Catalyst 6000 Distribution/Core Running Native CiscoIOS......Page 108
Building a Branch Office......Page 112
Using a Single Subnet at the Branch Office......Page 113
Using 802.1Q for Trunking Separate Voice/Data Subnets at the Branch Office......Page 115
Classifying VoIP Control Traffic at the Branch......Page 116
Enabling the Wide Area Network......Page 117
WAN QoS Overview......Page 118
Point-to-Point WAN......Page 127
Frame Relay WAN......Page 130
ATM WAN......Page 135
Frame Relay to ATM Internetworking WAN......Page 139
Summary......Page 142
Cisco Packet Fax and Modem Support Guidelines......Page 143
CiscoIOS Modem Support......Page 144
VG200 Modem Support......Page 145
Catalyst 6000 Modem Pass-Through (G.711)......Page 146
Future T.38 Fax-relay Support......Page 147
Service Provider Perspective......Page 148
IP Telephony Emergency Call Support......Page 151
Gateway Selection......Page 154
Calling Party Number......Page 155
Security Considerations for IP Telephony Networks......Page 156
Authentication, Authorization, and Accounting......Page 157
Secure CiscoIOS Devices......Page 158
Secure CatOS Devices......Page 163
CiscoIOS Security/Firewall Features......Page 164
Securing CallManager Servers......Page 165
Microsoft Windows 2000 Tasks......Page 166
Microsoft Internet Information Server (IIS) Tasks......Page 167
Microsoft SQL Server Tasks......Page 171
Voice Messaging with Cisco uOne 4.1E......Page 177
Configuration Overview......Page 178
Sample VG200 Configuration Details......Page 201
Example Catalyst 6000 24-Port FXS Gateway Configuration Details......Page 202
Integrating SMDI Voice Mail Over IP WAN......Page 209
Topology......Page 210
Asynchronous Tunneling Configuration......Page 211
Migrating to an IP Telephony Network......Page 212
Related Information......Page 213
General Site Information......Page 214
Team Information......Page 217
Implementation Considerations......Page 218
Site Survey Tables......Page 219
Gathering Site Information......Page 220
LAN Requirements......Page 221
WAN Hardware Requirement......Page 222
Quality of Service Requirements......Page 223
Gateway Requirements......Page 224
IP Telephony Requirements......Page 226
Power and Environmental Requirements......Page 229
Validating Implementation Readiness......Page 230
Voice Network Analysis......Page 231
Data Network Analysis......Page 232
WAN Requirement Analysis......Page 233
IP Telephony Requirement Analysis......Page 234
WAN Connection Templates......Page 236
Address Plan Templates......Page 237
CallManager Configuration Templates......Page 238
Dial Plan Templates......Page 241
Customer Ordered Equipment......Page 242
Implementing the Solution......Page 243
Physically Installing Equipment in Cabinet......Page 244
Verifying Circuit Termination in Customer Patch Panel......Page 245
Dial Plan Architecture......Page 246
Dial Plan Configuration......Page 247
Configuring E-911......Page 248
Dial Plan......Page 249
Gateway Selection......Page 250
Gateway Interfaces......Page 255
Critical E-911 Considerations for All IP Telephony Deployment Models......Page 256
Critical E-911 Considerations for Single Site Deployment Models......Page 258
Implementing a Migration Strategy......Page 259
Migration Phases......Page 260
Verification Process......Page 261
Acceptance Criteria......Page 262
Customer Acceptance Certification......Page 263
Case Studies......Page 264
Operations Support and Planning......Page 265
Defining Technical Goals and Constraints......Page 266
IP Telephony Application Behavior and Requirements......Page 267
Service Level Goals......Page 269
Defining Service Elements......Page 270
Reactive Service Elements......Page 271
Proactive Service Elements......Page 281
Staffing and Support Model......Page 287
Fault Management......Page 289
CiscoWorks2000......Page 290
Third-party Applications......Page 291
Selection Criteria for Management Tools......Page 293
Fault Management......Page 296
Configuration File Management......Page 301
Accounting Management......Page 302
Performance Management......Page 304
Security Management at the Device Level......Page 311
Managing The Application Layer with CallManager......Page 315
Managing Cisco IP Phones......Page 323
NMS Reference Architecture......Page 326
Planning, Design, and Implementation......Page 327
Managing Cisco CallManager with CISCO-CCM-MIB......Page 329
Summary of IP Telephony Network Management Products......Page 331
Securing IP Telephony Networks......Page 332
Establishing Physical Security......Page 333
CiscoIOS Routers......Page 334
Catalyst Ethernet Switches......Page 335
Choosing Good Passwords......Page 336
Secure Shell......Page 337
Simple Network Management Protocol......Page 338
Warning Banners......Page 339
Remote Copy/Remote Shell......Page 340
Neighbor Authentication......Page 341
Setting Device Time, Timestamps, and Logging......Page 342
Designing the IP Network......Page 344
Protecting the VoIP Gateways......Page 353
Firewalls......Page 354
Intrusion Detection Systems......Page 356
Securing the CallManager Server......Page 357
Turning Off Unnecessary Services......Page 358
Securing File System Access......Page 359
System Auditing and Logging......Page 362
Securing IIS......Page 363
Securing the SQL Server......Page 365
Moving All IP Phone Web Services to a Separate Server......Page 366
CiscoCallManager Administration Details......Page 367
Microsoft Performance Monitor......Page 368
Microsoft Event Viewer......Page 369
CallManager Trace......Page 371
SDL Trace......Page 373
Call Detail Records (CDR) and Call Management Records (CMR)......Page 375
Q.931 Translator......Page 378
Troubleshooting CiscoCallManager Devices......Page 379
Voice Quality......Page 380
Phone Resets......Page 389
Dropped Calls......Page 390
Cisco CallManager Feature Issues......Page 393
Reorder Tone Through Gateways......Page 403
Gateway Registration Problems......Page 404
Gatekeeper Registration Problems......Page 408
Skinny Station Registration Process......Page 409
CiscoCallManager Initialization Process......Page 411
Self-Starting Processes......Page 412
CiscoCallManager Registration Process......Page 413
CiscoCallManager KeepAlive Process......Page 414
CiscoIPPhone-to-CiscoIPPhone Exchange of Skinny Station Messages During Call Flow......Page 415
CiscoCallManager Intra-Cluster Call Flow Traces......Page 416
Cisco IOS Gateways......Page 419
Inter-Cluster IP Phone to IP Phone......Page 427
Call Flow Traces......Page 429
Failed Call Flow......Page 430
Reading Records......Page 431
Known Issues......Page 432
Fields in a Call Detail Record......Page 433
Call Records Logged By Call Type......Page 441
Call Management Records Logged By Call Type......Page 442
Cause Codes......Page 443
Alarms......Page 445
IP Telephony Requirement Analysis......Page 447
Recommended Implementation Configurations......Page 448
