Benutzerhandbuch für Avaya 555-245-600

Avaya

Benutzerhandbuch (English)

Benutzerhandbuch

Inhaltsverzeichnis

Avaya Application Solutions:
1
Contents
3
About This Book
11
- Overview
  11
- Audience
  11
- Using this book
  11
- Downloading this book and updates from the Web
  12
- Related resources
  13
- Technical assistance
  13
  - Within the US
    13
  - International
    13
- Trademarks
  14
- Sending us comments
  14
Section 1: Avaya Application Solutions product guide
15
Avaya Application Solutions
17
- Avaya Communication Manager
  19
- Avaya Distributed Office
  23
Avaya Application Solutions platforms
33
- Overview
  33
  - Terminology
    36
- Small to mid-size enterprise
  37
- Mid-market to large enterprise
  79
- Processor Ethernet
  107
  - Avaya IP Office
    108
Greenfield deployment
109
- Components needed for Greenfield deployment
  109
- Greenfield configurations
  112
Evolution from circuit-switched to IP
119
- Overview
  119
- Migration from DEFINITY Server R to S8700 fiber-PNC
  120
Call processing
125
- Voice and multimedia networking
  125
- Call Processing
  127
- IP-based trunks
  133
  - IP tie trunks
    134
  - Trunk signaling
    134
- SIP
  134
  - Avaya SIP Enablement Services (SES)
    135
    - Overview
      136
    - The SES Server
      136
    - The SES Network
      137
    - SES Edge Server
      137
    - SES Core Router
      137
    - SES Home Server
      137
  - Communication Manager as the SIP Feature Server
    137
  - SIP Adjuncts
    138
  - SIP Endpoints
    138
  - SIP deployment scenarios
    139
- Avaya G860 Media Gateway
  147
  - G860 Components
    149
    - System Controller Board
      149
    - G860 Trunk Media Processing Module (TP-6310)
      150
  - Configuration with Avaya Communication Manager
    150
    - Example configuration for call center
      151
- Mobility
  152
  - IP Telephones or IP Softphones
    152
  - Extension to Cellular
    152
- Communication applications
  152
  - Call Center
    153
    - Call Center applications
      153
    - Compact Call Center
      154
  - Messaging
    154
  - Unified Communication Center
    155
  - Avaya Call Management System (CMS)
    155
  - Conferencing systems
    155
  - Meet-me conferencing
    155
  - Avaya Meeting Exchange Solutions
    156
  - Computer Telephony Integration (CTI)
    160
  - Application Programming Interfaces (APIs)
    160
  - Best Services Routing (BSR) polling
    161
LAN switching products
163
- Avaya C360 converged stackable switches
  163
  - Features of the C360 converged stackable switches
    164
    - Stacking
      165
    - Layer 2 features
      165
    - Layer 3 features
      166
    - Management
      166
    - Power over Ethernet (PoE)
      167
  - Switches from Extreme Networks
    167
  - Avaya Power over Ethernet (PoE) switches
    168
    - Available PoE Switch Options
      168
    - Power priority mechanism
      169
- Midspan Power Units
  169
  - 1152A1 Power Distribution Unit
    169
  - 1152B Power Distribution Units
    171
    - Designed usage
      172
- Converged infrastructure security gateways
  172
  - SG200
    172
  - SG203 and SG208
    172
- VPN Client
  172
Section 2: Deploying IP Telephony
175
Traffic engineering
177
- Introduction
  177
- Design inputs
  178
  - Topology
    178
  - Endpoint specifications
    180
  - Endpoint traffic usage
    180
    - Example 1: Station usage
      181
- Call usage rates
  183
- Resource sizing
  198
  - Overview
    198
  - Signaling resources
    199
  - Media processing and TDM resources
    200
    - IP-TDM-IP connectivity
      201
    - Hairpinning
      201
    - Shuffling
      201
    - Example 5: TDM and media processing usage
      205
  - Processing occupancy
    211
  - SIP traffic engineering
    213
  - IP bandwidth and Call Admission Control
    216
  - Physical resource placement
    224
  - Final checks and adjustments
    224
- Avaya Distributed Office
  225
Security
227
- Your security policy
  227
- Avaya Communication Manager and Servers
  229
  - Built-in Linux security features
    229
    - Proprietary vs. open operating systems
      229
    - Avaya capitalizes on Linux’ security advantage
      230
  - One-time passwords
    230
  - Shell access
    230
  - Root access
    231
  - Remote access
    231
  - Secure access
    232
  - Monitoring and alarming
    232
  - Data encryption
    233
  - LAN isolation configurations
    233
    - S8700 with Avaya MCC1 or SCC1 Media Gateways
      233
    - S8700-series Server with Avaya G650 Media Gateways
      235
  - Virus and worm protection
    236
    - Testing
      237
    - Environment
      237
- IP Telephony circuit pack security
  238
  - TN2312BP IP Server Interface (IPSI)
    238
    - Telnet
      238
    - FTP
      239
    - DHCP
      239
    - Control link
      239
  - TN2302AP and TN2602AP Media Processors
    239
  - TN799DP Control LAN (C-LAN)
    240
- Toll fraud
  240
  - Avaya’s security design
    241
  - Hacking methods
    241
  - Your toll fraud responsibilities
    242
  - Toll fraud indemnification
    242
  - Additional toll fraud resources
    242
    - Security Audit Service
      243
    - Security Tune-up Service
      243
    - Toll Fraud Intervention Hotline
      243
    - Avaya Security Handbook
      243
Voice quality network requirements
245
- Network delay
  245
  - Codec delay
    246
- Jitter
  247
- Packet loss
  247
  - Network packet loss
    248
  - Packet loss concealment (PLC)
    249
- Echo
  249
- Signal levels
  250
  - Echo and Signal Levels
    251
  - Tone Levels
    251
- Codecs
  251
  - G.726 Codec and H.248 Media Gateways
    253
- Silence suppression/VAD
  253
- Transcoding/tandeming
  254
- CNA Application Performance Rating
  254
- Translating low level statistics to an Application Performance rating
  255
  - Available application models
    256
    - Voice
      256
    - Video conferencing
      256
    - Enterprise model
      256
    - Web model
      256
Avaya Integrated Management
257
- Integrated Management overview documents
  257
- Avaya Integrated Management offers
  257
- Third-party network management products
  260
  - Multi Router Traffic Grapher
    260
  - HP OpenView Network Node Manager
    261
- Network management models
  261
  - Distributed (component)
    262
  - Centralized (hybrid)
    262
Reliability and Recovery
265
- Reliability
  266
- Survivability solutions
  267
- Survivability for branch office media gateways
  272
- IP endpoint recovery
  275
Section 3: Getting the IP network ready for telephony
281
IP Telephony network engineering overview
283
- Overview
  283
- Voice quality
  285
- Best practices
  287
- Common issues
  288
Network design
289
- LAN issues
  289
  - General guidelines
    289
    - Ethernet switches
      290
    - Speed and duplex
      290
  - VLANs
    291
- WAN
  293
  - Overview
    294
    - QoS
      294
    - Codec selection and compression
      294
    - Serialization delay
      295
    - Network design
      295
  - Frame Relay
    296
  - MPLS
    298
- VPN
  299
  - Convergence advantages
    299
  - Managing IP Telephony VPN issues
    300
  - Conclusion
    302
- NAT
  302
- Converged network design
  304
  - Design and Management
    304
  - Design for Simplicity
    304
  - Design for Manageability
    305
  - Design for Scalability
    305
  - Topologies
    306
  - Server Cluster
    306
  - Layers
    307
  - Redundancy
    308
  - Layer 2
    310
  - Layer 3
    312
Quality of Service guidelines
315
- CoS
  315
- Layer 2 QoS
  317
- Layer 3 QoS
  317
  - QoS guidelines
    318
- IEEE 802.1 p/Q
  320
  - Recommendations for end-to-end QoS
    321
- DiffServ
  321
- RSVP
  323
- Queuing methods
  324
  - WFQ
    324
  - PQ
    324
  - Round-robin
    324
  - CB-WFQ / LLQ / CBQ
    325
  - RED / WRED
    325
- Traffic shaping and policing
  326
  - Frame Relay traffic shaping
    326
- Fragmentation
  327
  - MTU
    327
  - LFI
    328
  - FRF.12
    328
- RTP
  328
  - Application perspective
    328
  - Network perspective
    329
    - Recommendations for RTP header compression
      329
  - RTP header compression test
    330
  - Configuration
    331
- Examples of QoS implementation
  332
Network recovery
339
- Change control
  339
- Layer 2 mechanisms to increase reliability
  340
  - Spanning tree
    340
  - Link Aggregation Groups
    340
- Layer 3 availability mechanisms
  341
  - Routing protocols
    341
  - VRRP and HSRP
    341
  - Multipath routing
    342
- Dial backup
  342
- Convergence times
  343
- The Converged Network Analyzer
  344
  - CNA components
    346
  - Configuration and deployment details
    348
Network assessment offer
349
- Problems with data networks
  349
- Avaya network readiness assessment services
  349
  - Basic network readiness assessment service
    350
  - Detailed network readiness assessment service
    352
    - The Detailed network readiness assessment process
      353
    - Customer responsibilities
      355
    - Discovery
      355
    - Element monitoring
      355
    - Synthetic IP Telephony measurements
      356
    - Remote analysis
      356
    - Report generation
      356
    - Customer deliverables
      357
Appendix A: CNA configuration and deployment
359
- Configuring CNA
  360
  - Basic configuration
    360
    - Configuring Virtual Module Interfaces
      360
    - Ethernet Interfaces on Modules
      360
    - Default Gateway
      360
    - Service Provider Access Links
      361
    - BGP on the Engine Module
      361
    - Assigning USTATs to Providers
      362
    - USTAT GRE Tunnels
      362
  - Measurements
    362
  - Decision making
    363
- Configuring the Routers
  364
  - Edge Router GRE Tunnel Interfaces
    364
  - Route Maps
    365
  - Routing Configuration
    366
    - VIP Routing:
      366
    - IBGP
      366
    - Route Reflection
      367
- Command summary
  368
  - CNA commands
    368
  - Router Ra commands
    370
  - Router Rb commands
    371
Index
373
- Numerical
  373
- A
  373
- B
  373
- C
  373
- D
  374
- E
  374
- F
  374
- G
  374
- H
  374
- I
  374
- J
  375
- L
  375
- M
  375
- N
  375
- P
  376
- Q
  376
- R
  376
- S
  377
- T
  377
- U
  377
- V
  377
- W
  378
- X
  378

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