I. Overview of Technology, Protocols, and the PDIOO Methodology
by Salman Asadullah, Ramesh Kaza
Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization
- Copyright
- About the Authors
- About the Technical Reviewers
- Acknowledgments
- Foreword
- Introduction
- I. Overview of Technology, Protocols, and the PDIOO Methodology
- 1. Cisco IP Telephony Solution Overview
- Legacy Voice and Data Networks
- Next-Generation Multiservice Networks
- Networks Based on Cisco AVVID
- Signaling and Transport Protocols
- IP Telephony Components
- IP Telephony Deployment Architectures
- Call-Flow Scenarios
- Summary
- 2. Planning, Design, Implementation, Operation, and Optimization Overview
- 1. Cisco IP Telephony Solution Overview
- II. Large-Scale IPT and Voice-Mail Network
- 3. Large-Scale Enterprise Requirements for IP Telephony
- Customer Profile
- Customer Requirements
- System Architecture
- IP Phones
- Integration and Replacement of Legacy PBX Systems
- Integration and Replacement of Legacy Voice-Mail Systems
- Voice Gateways
- Quality of Service
- Call Routing
- Emergency Services
- IPT Features and Applications
- Security
- Redundancy and High Availability
- Network Management
- Return on Investment
- Summary
- 4. Planning Phase
- Getting Started
- Network Infrastructure Analysis
- Telecom Infrastructure Analysis
- Summary
- 5. Design Phase: Network Infrastructure Design
- Call-Processing Architecture
- IP Phone Selection
- Network Infrastructure Design Tasks
- Summary
- 6. Design of Call-Processing Infrastructure and Applications
- High-Level IPT Design
- Low-Level Design
- CallManager Cluster Design
- CallManager Scalability and Sizing
- Customer Response Solution Server Scalability and Sizing
- CallManager Group Configuration
- CallManager Date/Time Configuration
- CallManager Region Configuration
- CallManager Location Configuration
- Device Pool Configuration
- Media Resources Configuration
- Gateway Selection and Sizing
- Dial Plan Architecture
- Survivable Remote Site Telephony
- Fax and Modem
- Securing the IPT Infrastructure
- Summary
- 7. Voice-Mail System Design
- Defining the Voice-Mail System Architecture
- Designing a Cisco Unity System
- Installing Cisco Unity
- Integrating Voice Mail
- Unity Integration with CallManager
- Configuring Partitions and CSS in CallManager
- Changing Service Parameters in CallManager
- Defining MWI On and Off Numbers in CallManager
- Defining Voice-Mail Ports in CallManager
- Defining the Voice-Mail Pilot Number
- Defining the Voice-Mail Profile
- Reserving Ports for MWIs and Outcall Notifications in Unity
- Making Changes to the Octel Access Numbers
- Configuring the AutoAttendant functionality in Unity
- Octel Integration with CallManager
- Designing the Cisco Unity Networking
- Unity Integration with CallManager
- Networking Octel and Unity
- Customizing the Cisco Unity System
- Subscribers
- Class of Service
- Subscriber Template
- Account Policy
- Subscribers
- Profile
- Account (Defaults to the Template Settings)
- Phone Password (Defaults to the Template Settings)
- Private Lists
- Conversation (Defaults to the Template Settings)
- Call Transfer (Defaults to the Template Settings)
- Greetings (Defaults to the Template Settings)
- Caller Input (Defaults to the Template Settings)
- Messages
- Message Notification
- Alternate Extensions
- Public Distribution Lists
- Call Management
- Network
- System
- Subscribers
- Multiple Directory Handlers
- Improving the User Experience During Migration
- Summary
- 8. Implementation
- Complete Preimplementation Tasks
- Perform Implementation Readiness Analysis
- Implement IPT Components
- CallManager and Application Server Implementation
- Implementing Voice Gateways
- Implementing IP Phones
- Implementing the Dial Plan
- Implementing Cisco IP AutoAttendant
- Implementing IP ICD
- Implementing IP IVR
- Implementing IP Phone Services
- Identify the Implementation Tools
- Deploy IPT Solution Pilot
- Implementation Acceptance Tests
- Post-Implementation Documentation
- Day 2 Support
- Training
- Summary
- 9. Operations and Optimization
- Software Upgrades
- Hardware Upgrades
- CallManager Operation and Monitoring Tools
- Optimization Tips
- Time Synchronization
- CallManager Services
- Name Resolution
- IP Addressing
- Subnetting and VLANs
- Proactive Problem Identification and Resolution
- Duplex and Speed Settings
- Dial Plan Optimization
- Securing the Servers
- Service and Enterprise Parameter Fine-Tuning
- Deployments Involving Shared Lines
- Call Detail Records
- CallManager Traces
- Firmware Loads
- Cluster Guidelines
- Installing Third-Party Software Applications
- Cisco Unity Operations
- Day 2 Monitoring and Management Tasks
- IPT Network Management Tools
- Summary
- 3. Large-Scale Enterprise Requirements for IP Telephony
- III. Appendixes
- A. Cisco IP Phone Models and Selection Criteria
- B. IPT Planning Phase: Network Infrastructure Analysis Questionnaire
- Customer Business and Technical Expectations
- Network Design
- Network Services
- Cabling and Network Links
- Hardware Scalability
- Software
- Power Protection and Environmental Condition
- Security
- C. IPT Planning Phase: Telecom Infrastructure Analysis Questionnaire
- D. IPT Design Phase: IP Phone Selection Questionnaire
- E. IPT Design Phase: IPT Requirement Analysis Questionnaire
- IP Telephony Deployment Model
- Codec Selection
- Legacy Voice-Mail Integration Requirements
- Legacy PBX Integration Requirements
- Sizing the CallManager Cluster
- Branch Office IPT Requirements
- Class of Restriction Requirements
- Call-Routing and Dial Plan Requirements
- Sizing the PSTN/Gateway Trunks
- Power Requirements (Per Site/Per Switch Specific)
- Call Admission Control Considerations
- Corporate Directory Requirements
- Conferencing, Transcoding, and MTP Requirements for Central Sites
- Music on Hold Requirements
- F. Ordering T1/E1 PRI from the Carrier Questionnaire
- G. Voice-Mail Design Questionnaire
- H. IPT Implementation Checklist
-
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