This Cisco Voice Over IP (CVOICE) class is a 5 day class that is presented by Cisco training partners to their end customers. Channel Partners nationwide hire proven AMS Subject Matter Expert Cisco Certified Systems Instructors (CCSI’s) to teach on-site or on-line classes.

Prerequisites

Working knowledge of fundamental terms and concepts of computer networking to include LANs, WANs, and IP switching and routing
Basic internetworking skills taught in Interconnecting Cisco Network Devices (ICND), or equivalent knowledge
Ability to configure and operate Cisco routers and switches and to enable VLANs and DHCP
Knowledge of traditional public switched telephone network (PSTN) operations and technologies

The audience for this course is:

Network administrators and network engineers
CCNP Voice candidates
Systems engineers

Upon completing this course, you will be able to;

Explain what a voice gateway is, how it works, and describe its usage, components, and features
Describe the characteristics and configuration elements of VoIP call legs
Describe how to implement IP phones using Cisco Unified Communications Manager Express
Describe the components of a dial plan, and explain how to implement a dial plan on a Cisco Unified voice gateway
Explain what gatekeepers and Cisco Unified Border Elements are, how they work, and what features they support
Describe why QoS is needed, what functions it performs, and how it can be implemented in a Cisco Unified Communications network

Course Outline

Module 1: Introduction to VoIP

Lesson 1: Introducing VoIP

Describe the components of the Cisco Unified Communications architecture
Describe VoIP and the basic components of a VoIP network
Describe the major VoIP signaling protocols
Describe the differences between the gateway signaling protocols
Describe issues that can affect voice service in the IP network
Describe the characteristics of the protocols that are used for media transmission.

Lesson 2: Introducing Voice Gateways

Describe the functionality of gateways and their role of connecting VoIP to traditional PSTN and telephony equipment
Describe the different Cisco gateway platforms
Identify supported IP telephony deployment models
Identify the major characteristics and design guidelines of a single-site IP telephony deployment model
Identify the major characteristics and design guidelines of a multisite centralized IP telephony deployment model
Identify the major characteristics and design guidelines of a multisite distributed IP telephony deployment model
Identify the characteristics, limitations, and advantages of clustering over the IP WAN

Lesson 3: Specifying Requirements for VoIP Calls

Describe the factors that are present in IP networks that affect audio clarity
Describe MOS and PSQM and how they are used to measure audio quality
Describe QOS features as they relate to a VoIP network and the features of Cisco IOS software that deliver QoS throughout the network
Describe the challenge of transporting modulated data, including fax and modem calls, over IP networks
Describe how fax and modem pass-through, relay, and store and forward are implemented using Cisco IOS gateways
Describe how T.38 and pass-through are supported by H.323, SIP, and MGCP
Describe DTMF relay and how it is supported in MGCP, H.323 and SIP

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

Describe various codecs and their bandwidth requirements
Describe how the number of voice samples that are encapsulated impacts bandwidth requirements
Calculate the overhead for Layer 2 and other protocols on a VoIP call
Use a formula to calculate the total bandwidth that is required for a VoIP call with and without VAD
Describe various types of DSPs, DSP functions and how DSPs are used as media resources
Describe codec complexity and where and how to configure it
Describe the DSP requirements for various media resources and show how calculate the actual number of required DSPs
Describe DSP farms, DSP farm profiles and how to configure conferencing and transcoding on a voice gateway
Describe the commands that are required to configure DSP farms on Cisco IOS gateways for enhanced media resources
Describe how to verify the correct operation of available media resources

Module 2: Voice Port Configuration

Lesson 1: Understanding Call Types

List the seven call types in a VoIP network
Describe the local call type
Describe the on-net call type
Describe the off-net call type
Describe the PLAR call type
Describe the PBX-to-PBX call type
Describe the intercluster trunk call type
Describe the on-net to off-net call type

Lesson 2: Configuring Analog Voice Ports

Describe the various types of voice port interfaces and where they are used
Describe the various types of analog interfaces and their characteristics
Describe how to configure three types of analog voice ports
Describe CAMA how to configure a voice port for CAMA
Describe how to configure voice ports for DID service
Describe timing configuration parameters on voice ports
Explain how to use show, test, and debug commands to verify analog voice port operation

Lesson 3: Understanding Dial Peers

Describe the functions of POTS and VoIP dial peers and call legs in relations to a simple VoIP network
Describe how gateways interpret call legs to establish end-to-end calls
Describe the functions of the POTS, VoIP, and default dial peers
Describe how to configure POTS dial peers
Describe how to configure VoIP dial peers
Explain how to use destination-pattern options to associate a telephone number with a given dial peer
Describe how the router matches inbound dial peers
Describe the default dial peer
Describe how the router matches outbound dial peers

Lesson 4: Configuring Digital Voice Ports

Describe the various types of digital voice ports
Describe T1 CAS trunks and associated signaling
Describe E1R2 CAS trunks and associated signaling
Describe ISDN
Describe ISDN signaling
Configure a T1 CAS trunk to the PSTN
Configure an E1 CAS trunk to the PSTN
Configure and verify BRI and PRI trunks to the PSTN
Verify digital voice port connections

Lesson 5: Understanding QSIG

Describe QSIG and its associated features
Describe how to configure QSIG support on Cisco IOS gateways
Describe how to verify QSIG trunks

Module 3: VoIP Gateway Implementation

Lesson 1: Implementing H.323 Gateways

Describe the functions that are performed by a typical H.323 gateway
Describe the advantages of H.323 as a voice gateway protocol
Describe the functional components that make up an H.323 environment
Describe the H.323 call establishment and maintenance process
Describe H.323 call signaling
Describe the types of multipoint conferences that are supported by H.323
Describe how to configure an H.323 gateway
Describe how to configure a single codec or codec negotiation on an H.323 gateway
Describe how to tune some H.323 timers
Configure fax pass-through and relay on H.323 gateways
Describe how to configure H.323 DTMF relay on an H.323 gateway
Describe how to verify the status of an H.323 gateway

Lesson 2: Implementing MGCP Gateways

Describe MGCP and its associated standards
Describe the advantages of MGCP as a voice gateway protocol
Describe the basic components of MGCP and their roles
Describe the basic concepts of MGCP
Describe the interactions between an MGCP call agent and its associated gateways
Configure an MGCP residential and trunk gateway on a Cisco router
Describe the commands that are used to verify an MGCP configuration

Lesson 3: Implementing SIP Gateways

Describe SIP and its related standards
Describe the advantages of SIP as a voice gateway protocol
Describe the functional and physical components of a SIP network
Describe three models for SIP call setup and disconnects: direct, using a proxy server, and using a redirect server
Describe the types, use, and structure of SIP messages
Describe SIP address formats, address registration, and address resolution
Describe special considerations for dealing with DTMF tones in a SIP environment
Configure SIP functionality on Cisco IOS gateways
Verify and troubleshoot a SIP gateway

Module 4: Dial Plan Implementation on Voice Gateways

Lesson 1: Understanding Dial Plans

Describe the characteristics and components of a dial plan
Describe the concept of endpoint addressing, including overlapping directory number issues
Describe the characteristics of call routing and the importance of path selection
Describe the characteristics of digit manipulation
Describe the characteristics of calling privileges
Describe the characteristics of call coverage
Describe the characteristics of a scalable dial plan in a VoIP network
Describe the requirements for PSTN dial plans in Cisco IOS environments and explain which dial plan components are important
Describe the special requirements for ISDN in Cisco IOS gateway deployments
Configure a PSTN dial plan on Cisco IOS gateways for inbound and outbound calls, including proper DNIS and ANI modification
Verify a PSTN dial plan on Cisco IOS gateways

Lesson 2: Implementing Numbering Plans

Describe the basic characteristics of a numbering plan
Describe the different types of numbering plans
Describe the attributes of a scalable numbering plan
Describe overlapping numbering plans and strategies to address the issue
Describe how to integrate internal and external PSTN numbering plans
Describe how to integrate existing dial plans into a VoIP network
Describe how VoIP operators can provide the location and telephone number of mobile callers to 911 operators
Implement a numbering plan

Lesson 3: Configuring Digit Manipulation

Describe basic digit manipulation and why you would need to use it
Describe digit stripping using a voice gateway
Describe digit forwarding on a voice gateway
Describe digit prefixing on a voice gateway
Describe number expansion on a voice gateway
Describe how a gateway collects and consumes digits and applies them to a dial peer
Describe CLID manipulation
Describe the capabilities of voice translation rules and profiles
Contrast voice translation profiles with the dialplan-pattern command
Create a dial peer with digit manipulation commands to divert calls that connect to a specified destination

Lesson 4: Configuring Path Selection

Describe how a call is routed and the correct path is selected
Describe how a router matches dial peers to determine path selection
Describe how the gateway matches information elements to dial peers
Describe some routing and path selection best practices
Describe various path selection strategies
Describe the characteristics of site-code dialing and toll bypass
Describe TEHO
Configure site-code dialing and toll bypass
Configure TEHO

Lesson 5: Implementing Calling Privileges on Cisco IOS Gateways

Describe calling privileges
Describe how COR can be used to implement calling privileges on Cisco IOS gateways
Describe how COR can be used in SRST and Cisco United Communications Manager Express environments
Configure COR on a Cisco IOS gateway using Cisco Unified Communications Manager Express and SRST

Module 5: H.323 Gatekeeper

Lesson 1: Introducing Gatekeepers

Describe the functionality of gatekeepers in an H.323 environment
Define the hardware and software requirements for gatekeeper functionality
Describe the signaling between gateways and gatekeepers
Describe how directory gatekeepers enhance the scalability of a network
Describe how gatekeeper zone prefixes are used for call routing
Describe how gatekeeper technology prefixes are used for call routing
Describe how gatekeepers perform address resolution and call routing in different scenarios
Describe how GKTMP works
Describe some commands that are used to verify H.323 gatekeeper operation

Lesson 2: Configuring Basic Gatekeeper Functionality

List the steps necessary to configure a multizone gatekeeper for local and remote zone call routing
Configure local and remote zones on a gatekeeper
Configure zone prefixes on a gatekeeper
Configure technology prefixes on a gatekeeper
Configure gateways to register with a gatekeeper
Configure dial peers for gatekeepers
Verify that H.323 endpoints are registered properly and calls are correctly routed across a single gatekeeper

Lesson 3: Implementing Gatekeeper-Based CAC

Describe bandwidth operation in a gatekeeper zone
Describe zone bandwidth calculation in a gatekeeper network
Configure zone bandwidth on a gatekeeper
Verify zone bandwidth operation on gatekeepers
Describe how RAI performs resource-availability in gatekeeper networks
Configure RAI in a gatekeeper network
Verify RAI operation in gatekeeper networks

Module 6: ITSP Connectivity

Lesson 1: Understanding Special Requirements for External VoIP Connections

Describe the functionality of a Cisco UBE
Describe how Cisco UBEs can be utilized in enterprise VoIP environments
Describe how protocol interworking is performed on Cisco UBEs
Describe how Cisco UBEs handle media flows
Describe how Cisco UBEs perform codec filtering
Describe how Cisco UBEs can be used to perform RSVP-based CAC
Describe how Cisco UBEs can be integrated with gatekeeper networks
Describe call flows involving Cisco UBEs

Lesson 2: Implementing a Cisco UBE

Describe the command that are used to enable protocol interworking
Configure H.323-to-H.323 interworking on a Cisco UBE
Configure H.323-to-SIP interworking on a Cisco UBE
Describe the commands that are used to configure media flow-around, media flow-through, and transparent codec pass-through
Configure transparent codec pass-through and media flow-around on a Cisco UBE
Configure a Cisco UBE to register with a via-zone gatekeeper
Verify Cisco UBE and via-zone gatekeeper operation
The lesson includes these topics:
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

Hands-on Lab Exercises

Lab 2-1: Configuring Analog Voice Ports
Lab 2-2: Configuring POTS Dial Peers
Lab 2-3: Configuring VoIP Dial Peers
Lab 2-4: Configuring Digital Voice Ports
Lab 3-1: Implementing H.323 Gateways
Lab 3-2: Implementing SIP Gateways
Lab 4-1: Implementing Numbering Plans
Lab 4-2: Implementing PSTN Dial Plans on Cisco IOS Gateways
Lab 4-3: Configuring Path Selection
Lab 4-4: Implementing Calling Privileges on Cisco IOS Gateways
Lab 5-1: Configuring Basic Gatekeeper Functionality
Lab 5-2: Implementing Gatekeeper-Based CAC

To Hire a proven AMS Cisco Voice Subject Matter Expert and Cisco Certified Systems Instructor who teaches this class, Call 800-798-3901 Today!