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GWGK - Implementing Cisco Voice Gateways and Gatekeepers v1.0

Length Price Cisco Learning Credits
5 days $3,295.00 33

This advanced Authorized Cisco course covers the in-depth and important topics needed to implement Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments with CallManager and Cisco Unity. Learn to install, configure, monitor, and troubleshoot Cisco voice gateways and gatekeepers in Enterprise installations in accord with the recommendations of Cisco's Solution Reference Network Design (SRND) for IP Telephony guides. Given a Voice over IP (VoIP) design, you will select an appropriate deployment model, correctly configure the gateways and gatekeepers (whether distributed or centralized), implement call plans, and decide how to implement the most commonly offered Service Provider or managed services applications, features, or implementation requirements.

Prerequisites

  • QOS - Implementing Cisco Quality of Service
  • CIPT1 - Cisco IP Telephony Part 1 v4.1
  • CIPT2 - Cisco IP Telephony Part 2 v4.1 

Who Needs to Attend

  • Network engineers responsible for implementing Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments. This course is recommended for technical professionals pursuing CCVP certification.

Course Outline

1. Function of Gateways and Gatekeepers

Learn the function of gateways and gatekeepers in a VoIP environment that includes H.323, MGCP, and SIP protocols

  • Introducing Gateways and Gatekeepers - Given either a single, centralized, multi, or distributed deployment model, compare and contrast the role and functionality of gateways and gatekeepers.
  • Implementing an H.323 Gateway - Given deployment requirements including various features, devices, and traffic considerations, implement an H.323 gateway.
  • Implementing an MGCP Gateway - Given deployment requirements including various features, devices, and traffic considerations, implement an MGCP gateway.
  • Implementing SIP Gateways - Given deployment requirements including various features, devices, and traffic considerations, implement a SIP Trunk between another CallManager or Cisco SIP Proxy Server.

2. Integrating a VoIP Network to the PSTN and PBXs

Identify the requirements for integrating a VoIP network with the PSTN and PBXs using voice gateways.

  • Connecting to the PSTN and PBXs - Discover the activities required when integrating PSTN and PBX to gateways.
  • Analog Circuits - Given deployment requirements, integrate a voice gateway to the PSTN or a PBX using analog circuits.
  • CAS Circuits - Given deployment requirements, integrate a voice gateway to the PSTN or a PBX using CAS circuits.
  • PRI Circuits - Given deployment requirements, integrate a voice gateway to the PSTN or a PBX using PRI circuits.
  • QSIG Integration - Given deployment requirements, integrate a voice gateway to the PSTN or a PBX using QSIG.
  • PBX Integration Case Study - Given deployment requirements, discuss the various options for integrating a VoIP network to a PBX.

3. Implementing a Dial Plan

Learn to implement a dial plan on a Cisco gateway including dial and number plans and COR applications.

  • Dial Plan Overview - Given a VoIP network, design an effective scaleable numbering and dial plan for H.323, MGCP, and SIP gateways.
  • Digit Manipulation - Given a network topology, improve call flow by designing and using translation rules and translation profiles to manipulate digits on a gateway using CLI.
  • Class of Restriction - Given several incoming and outgoing dial-peer scenarios, identify where in the gateway COR is applied, and describe the configuration and verifications steps.
  • Influencing Call Routes - Given a network topology, influence call routes to provide redundancy and cost efficiency.

4. Implementing Advanced Gateway Features

Given a set of requirements for advanced services, configure a voice gateway to enable the required services.

  • Deploying Survival Remote Site Telephony (SRST) - Given redundancy requirements for a Centralized Call Processing model, configure SRST on a remote site gateway to support the requirements.
  • Digital Signal Processors in Voice Gateways - Given deployment requirements including transcoding and conferencing, configure DSP Farms on a gateway.
  • Tool Command Language (Tcl) - Given deployment requirements including basic Auto Attendant functions, configure Tcl applications to support the requirements.

5. Implementing Gatekeeper

Given a set of deployment requirements including number resolution and Call Admission Control, implement a gatekeeper to meet the requirements.

  • Gatekeeper Overview - Learn the features and functions of a gatekeeper.

Implementing Gatekeepers - Given a set of deployment requirements including single and multizone, configure a gatekeeper to provide number resolution and CAC for H.323 gateways and CallManager.

  • Directory Gatekeeper - Given a set of deployment requirements, configure a directory gatekeeper.
  • Implementing Gatekeeper Redundancy - Given a set of deployment requirements including high availability, configure gatekeeper redundancy.

6. Introducing Service Provider Gateway Applications

Describe common Service Provider offerings such as Wholesale voice and IP Centrex, and describe how IP-IP gateway supports these offerings.

  • Understanding Service Provider Offerings - Explore the common types of Service Provider offerings to consumers and Enterprise customers.
  • IP-IP Gateway - Learn the requirements of deploying IP-IP gateways in a Service Provider environment.

Labs

Lab 1: Topology and Deployment

Wire the GWGK classroom network and image the CallManager Publisher and Subscriber servers for each cluster. CallManager configurations are mostly preprogrammed so you can focus on gateway configuration. Become familiar with extension mobility test profiles, and configure DHCP on the BrA router. This lab takes less than 90 minutes and no additional wiring is required for any later labs.

 

Lab 2: MGCP Configuration at the Headquarters

Deploy MGCP on the Headquarters router, which has a PRI, 2 FXS ports, 2 FXO ports, and a T1-CAS connection to a channel bank connected to 2 PBXs. Test dialing to all patterns and to phones attached to the 2 PBXs. Investigate using the ccm-manager config commands to download the router's MGCP configuration using TFTP and manually configure the router.

Lab 3: H.323 Configuration at the Branch

In this lab, tackle the first step in a comprehensive H.323 Branch site deployment. Configure dial peers allowing calls coming in from the PSTN via PRI or FXO ports and calls coming in from attached PBXs and FXS ports to be routed to internal numbers.

Lab 4: Dial Plan Lab 1: MGCP (Optional)

A comprehensive dial plan is preconfigured in each CallManager cluster, including Class of Service using the "new style" blocking partitions and calling search spaces. Investigate this dial plan, and test calling out to the PSTN through the HQ gateway previously configured for MGCP in Lab 3. Depending upon the instructor and class, you may do Lab 2 or Lab 6 or skip both labs.

Lab 5: Tail-End Hop-Off and RSVP

Investigate tail-end hop-off configuration for H.323 and use RSVP to provide CAC and QoS for these calls.

Lab 6: SRST

Configure and test SRST at both the HQ (MGCP) and Branch A (H.323) sites. Deploy and test a complete backup strategy including preservation of Class of Service using COR on the gateway when the CallManager is unavailable. You will investigate new call survivability capabilities for H.323 gateways for server and WAN failure scenarios.

Lab 7: Tool Command Language

Configure and test an autoattendant TCL script on the Branch A gateway.

Lab 8: SIP Trunks - Part 1

Use SIP trunks to interconnect the CallManager clusters deployed in the lab network.

Lab 9: SIP Trunks - Part 2

Use SIP trunks to interconnect the Branch A gateways to the HQ CallManager clusters.

Lab 10: IP-to-IP Gateways

IP-to-IP gateways are used to manage the flow of RTP streams between clusters.

 

Class Dates:

New York City, NY
Aug 30, 2010 - Sep 03, 2010
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Dallas, TX
Sep 13, 2010 - Sep 17, 2010
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On Site Class Available