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Cisco Voice Over IP v8.x (CVOICE)


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3395.00 3,395.00

  • Course Delivery: Virtual Classroom
  • Duration: 5 Day(s)
  • Language: English
  • Audience: Voice and Data Networks.

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Table of Contents
At Course Completion
Applicable Products
Program Contents
Course Outline


This five-day course covers the essential topics of converged voice and data networks and also the challenges faced by the various network technologies. The course also provides network administrators and network engineers with the knowledge and skills required to integrate gateways and gatekeepers into an enterprise VoIP network.

This course is one of several courses in the Cisco CCVP track that addresses design, planning, and deployment practices and provides comprehensive hands-on experience in configuration and deployment of VoIP networks.


This course is intended for students who have general working knowledge of Local and Wide Area Networks and basic configuration of voice and data networks. Network engineers, architects, and support staff that require a fundamental understanding of packet telephony technologies that are common for both enterprise and service provider applications will also benefit for this course.

Course Objectives

At the end of this course, you'll be able to:

  • Describe VoIP, voice gateways, special requirements for VoIP calls, codecs and codec complexity, and how DSPs are used as media resources on a voice gateway
  • Configure gateway interconnections to support VoIP and PSTN calls and to integrate with a PSTN and PBX
  • Describe the basic signaling protocols that are used on voice gateways and configure a gateway to support calls using the various signaling protocols
  • Define a dial plan, describe the purpose of each dial plan component, and implement a dial plan on a voice gateway
  • Implement gatekeepers and directory gatekeepers, and identify redundancy options for gatekeepers
  • Implement a Cisco UBE gateway to connect to an Internet telephony service provider

Topics Covered

Module 1: Introduction to VoIP

Lesson 1: Network Basics

  • Cisco Unified Communications Architecture
  • VoIP Essentials
  • VoIP Signaling Protocols
  • Comparing VoIP Signaling Protocols
  • ? VoIP Service Considerations
  • Media Transmission Protocols

Lesson 2: Introducing Voice Gateways

  • Understanding Gateways
  • Gateway Hardware Platforms
  • IP Telephony Deployment Models
  • Single-Site Deployment
  • Multisite WAN with Centralized Call Processing
  • Multisite WAN with Distributed Call Processing
  • Clustering over the IP WAN

Lesson 3: Specifying Requirements for VoIP Calls

  • IP Networking and Audio Clarity
  • Audio Quality Measurement
  • VoIP and QoS
  • Transporting Modulated Data over IP Networks
  • Understanding Fax and Modem Pass-Through, Relay, and Store and Forward
  • Gateway Signaling Protocols and Fax and Modem Pass-Through and Relay
  • DTMF Support

Lesson 4: Understanding Codecs, Codec Complexity, and DSP Functionality

  • Codecs
  • Impact of Voice Samples and Packet Size on Bandwidth
  • Calculating Overhead
  • Digital Signal Processors
  • Codec Complexity
  • Calculating the Total Bandwidth for a VoIP Call
  • DSP Requirements for Media Resources
  • Configuring Conferencing and Transcoding on Voice Gateways
  • DSP Farm Configuration Commands for Enhanced Media Resources
  • Verifying Media Resources

Module 2: Voice Port Configuration

Lesson 1: Understanding Call Types

  • Call Types
  • Local Calls
  • On-Net Calls
  • Off-Net Calls
  • PLAR Calls
  • PBX-to-PBX Calls
  • Intercluster Trunk Calls
  • On-Net-to-Off-Net Calls

Lesson 2: Configuring Analog Voice Ports

  • Voice Ports
  • Analog Voice Ports
  • Configuring Analog Voice Ports
  • Centralized Automated Message Accounting
  • Direct Inward Dialing
  • Timers and Timing
  • Verifying Voice Ports

Lesson 3: Understanding Dial Peers

  • Dial Peers and Call Legs
  • End-to-End Calls
  • Types of Dial Peers
  • Configuring POTS Dial Peers
  • Configuring VoIP Dial Peers
  • Configuring Destination-Pattern Options
  • Matching Inbound Dial Peers
  • Default Dial Peer
  • Matching Outbound Dial Peers

Lesson 4: Configuring Digital Voice Ports

  • Digital Voice Ports
  • T1 CAS
  • E1 R2 CAS
  • ISDN Overview
  • ISDN Signaling
  • Configuring T1 CAS Trunks
  • Configuring E1 R2 CAS Trunks
  • Configuring ISDN Trunks
  • Verifying Digital Voice Ports

Lesson 5: Understanding QSIG

  • QSIG Overview
  • Configuring QSIG Support
  • Verifying QSIG Trunks

Module 3: VoIP Gateway Implementation

Lesson 1: Implementing H.323 Gateways

  • H.323 Gateway
  • Why H.323
  • H.323 Network Components
  • H.323 Call Establishment and Maintenance
  • H.323 Call Signaling
  • H.323 Multipoint Conferences
  • Configuring H.323 Gateways
  • Configuring Codecs on an H.323 Gateway
  • Tuning H.323 Timers
  • Configuring Fax Pass-Through and Relay
  • Configuring H.323 DTMF Relay
  • Verifying H.323 Gateway Status

Lesson 2: Implementing MGCP Gateways

  • MGCP Components
  • Why MGCP
  • MGCP Architecture
  • Basic MGCP Concepts
  • MGCP Call Flows
  • Configuring MGCP Gateways
  • Verifying MGCP

Lesson 3: Implementing SIP Gateways

  • SIP Fundamentals
  • Why SIP
  • SIP Architecture
  • SIP Call Flow
  • SIP Addressing
  • SIP DMTF Considerations
  • Configuring SIP
  • Verifying SIP Gateways

Module 4: Dial Plan Implementation on Voice Gateways

Lesson 1: Understanding Dial Plans

  • Defining Dial Plans
  • Endpoint Addressing
  • Call Routing and Path Selection
  • Digit Manipulation
  • Calling Privileges
  • Call Coverage
  • Scalable Dial Plans
  • PSTN Dial Plan Requirements
  • ISDN Dial Plan Requirements
  • Configuring PSTN Dial Plans
  • Verifying PSTN Dial Plans

Lesson 2: Implementing Numbering Plans

  • Numbering Plan Characteristics
  • Numbering Plan Categories
  • Scalable Numbering Plans
  • Overlapping Numbering Plans
  • Private and Public Numbering Plan Integration
  • Enhancing and Extending an Existing Plan to Accommodate VoIP
  • 911 Services

Lesson 3: Configuring Digit Manipulation

  • Digit Manipulation
  • Digit Collection and Consumption
  • Digit Stripping
  • Digit Forwarding
  • Digit Prefixing
  • Number Expansion
  • Caller ID Number Manipulation
  • Voice Translation Rules and Profiles
  • Voice Translation Profiles vs. dialplan-pattern
  • Configuring Digit Manipulation

Lesson 4: Configuring Path Selection

  • Call Routing and Path Selection
  • Dial Peer Matching
  • Matching Dial Peers in a Hunt Group
  • Best Practices
  • Path Selection Strategies
  • Site-Code Dialing and Toll Bypass
  • Tail-End Hop-Off
  • Configuring Site-Code Dialing and Toll Bypass
  • Configuring TEHO

Lesson 5: Implementing Calling Privileges on Cisco IOS Gateways

  • Calling Privileges
  • Understanding COR on Cisco IOS Gateways
  • Understanding COR for SRST and Cisco Unified Communications Manager Express
  • Configuring COR

Module 5: H.323 Gatekeepers

Lesson 1: Introducing Gatekeepers

  • Gatekeeper Overview
  • Gatekeeper Hardware and Software Requirements
  • Gatekeeper Signaling
  • Call Flows with a Gatekeeper
  • Zone Prefixes
  • Technology Prefixes
  • Gatekeeper Call Routing
  • Directory Gatekeepers
  • Configuring Directory Gatekeepers
  • Gatekeeper Transaction Message Protocol
  • Verifying Gatekeepers

Lesson 2: Configuring Basic Gatekeeper Functionality

  • Gatekeeper Configuration Steps
  • Configuring Gatekeeper Zones
  • Configuring Zone Prefixes
  • Configuring Technology Prefixes
  • Configuring Gateways to Use H.323 Gatekeepers
  • Dial Peer Configuration
  • Verifying Gatekeeper Functionality

Lesson 3: Implementing Gatekeeper-Based CAC

  • Gatekeeper Zone Bandwidth Operation
  • Zone Bandwidth Calculation
  • Zone Bandwidth Configuration
  • Verifying Zone Bandwidth Operation RAI in Gatekeeper Networks
  • RAI Configuration
  • Verifying RAI Operation

Module 6: ITSP Connectivity

Lesson 1: Understanding Special Requirements for External VoIP Connections

  • Cisco UBE Functionality
  • Cisco UBE Gateways in Enterprise Environments
  • Media Flows on Cisco UBE Gateways
  • Codec Filtering on Cisco UBE Gateways
  • Protocol Interworking on Cisco UBE Gateways
  • RSVP-Based CAC on Cisco UBE Gateways
  • Cisco UBE Gateways and Gatekeeper Interworking
  • Cisco UBE Gateway Call Flows

Lesson 2: Configuring Basic Gatekeeper Functionality

  • Protocol Interworking Command
  • Configuring H.323-to-H.323 Interworking
  • Configuring H.323-to-SIP Interworking
  • Media Flow and Transparent Codec Commands
  • Configuring Transparent Codec Pass-Through and Media Flow-Around
  • Configuring Cisco UBEs and Via-Zone Gatekeepers
  • Verifying Cisco UBEs and Via-Zone Gatekeepers

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