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Systems Test Architecture Reference Manual for EMEA IPT

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Related Documentation xiii

Obtaining Documentation xiv

Cisco.com xiv

Documentation DVD xiv

Ordering Documentation xv

Documentation Feedback xv

Cisco Product Security Overview xvi

Reporting Security Problems in Cisco Products xvi

Obtaining Technical Assistance xvii

Cisco Technical Support Website xvii

Submitting a Service Request xviii

Definitions of Service Request Severity xix

Obtaining Additional Publications and Information xix

C H A P T E R 1 Tested Scenarios and Site Models 1-1

Purpose of Solution Tests 1-2

Overview of Test Scenarios 1-3

Single Site Scenario 1-3

Multi-Site Centralized Scenario 1-5

Multi-Site Distributed Scenario 1-6

Multi-Site Single-Cluster Distributed Scenario 1-8

Site Models for the Test Scenarios 1-11

Small Site Model 1-12

Medium Site 1 Model 1-14

Medium Site 2 Model 1-16

Medium Site 3 Model 1-19

Remote Site Models 1-22

C H A P T E R 2 Cisco CallManager Configuration 2-1

Cisco CallManager System Configuration 2-2

System > Server Configuration 2-3

System > Cisco CallManager Configuration 2-3

System > Cisco CallManager Group 2-5

System > Region 2-6

System > Device Pool 2-7

System > Enterprise Parameters 2-10

System > Location 2-12

System > SRST 2-12

Cisco CallManager Route Plan Configuration 2-13

Route Plan > Class of Control > Partition 2-13

Route Plan > Class of Control > Calling Search Space 2-14

Route Plan > Route/Hunt > Route Group 2-16

Route Plan > Route/Hunt > Route List 2-17

Route Plan > Route/Hunt > Route Pattern 2-18

Route Plan > Translation Pattern 2-22

Cisco CallManager Service Configuration 2-23

Service > Media Resource > Conference Bridge 2-24

Service > Media Resource > Media Termination Point 2-25

Service > Media Resource > Music On Hold Audio Source 2-26

Service > Media Resource > Music On Hold Server 2-26

Service > Media Resource > Transcoder 2-27

Service > Media Resource > Media Resource Group 2-28

Service > Media Resource > Media Resource Group List 2-29

Service > Service Parameters 2-30

Cisco CallManager Feature Configuration 2-31

Feature > Cisco IP Phone Services 2-32

Feature > Voice Mail > Cisco Voice Mail Port 2-32

Feature > Voice Mail > Message Waiting 2-33

Feature > Voice Mail > Voice Mail Pilot 2-34

Feature > Voice Mail > Voice Mail Profile 2-35

Cisco CallManager Device Configuration 2-35

Device > CTI Route Point 2-36

Device > Gatekeeper 2-40

Device > Gateway 2-41

Device > Phone 2-49

Device > Trunk 2-55

Device > Device Settings > Device Profile 2-58

Cisco CallManager User Configuration 2-61

C H A P T E R 3 Cisco Unity Configuration 3-1

Using Cisco Unity with Lotus Domino 3-2

Cisco Unity with Lotus Domino in the Single Site Scenario 3-2

Cisco Unity with Lotus Domino in the Multi-Site Single-Cluster Distributed Scenario 3-3

Using Cisco Unity with Microsoft Exchange 3-4

Integrating Cisco Unity with Cisco Enterprise Gateway 3-6

Using Cisco Unity with Cisco IPMA 3-7

Localizing Cisco Unity 3-8

Upgrading From IP Communications Systems Test Release 2.0 when Using Cisco Unity 3-9

C H A P T E R 4 Cisco CallManager Express Configuration 4-1

Cisco CallManager Express Overview 4-2

Cisco CallManager Express Configuration for PRI 4-2

Cisco CallManager Express Configuration for BRI 4-13

Cisco CallManager Express Configuration for FXO 4-17

Configuration Files for Multiple Cisco CallManager Express Systems Deployed with Centralized Cisco Unity 4-21

Configuration File for MWI SIP Server 4-22

Configuration File for MWI SIP Clients 4-23

Additional Translation Rules 4-24

C H A P T E R 5 Cisco IP Manager Assistant Configuration 5-1

Cisco IPMA Configuration 5-2

Using Translation Patterns with IPMA in Proxy Line Mode 5-3

Localizing Cisco IPMA 5-3

C H A P T E R 6 Wireless Configuration 6-1

Overview 6-2

Cisco IP Phone 7920 Configuration 6-4

Cisco Aironet 1121 Access Point Configuration File 6-4

Cisco Access Control Server for LEAP Configuration 6-9

C H A P T E R 7 IP Video Telephony Configuration 7-1

IP Video Telephony Components and Topology 7-2

Supported Call Types 7-3

Call Routing 7-4

Configuring IP Video Telephony Components 7-5

Gatekeeper Configuration for IP Video Telephony 7-6

Cisco IP/VC PSTN Gateway Configuration for IP Video Telephony 7-8

Cisco IP/VC 3511 MCU Conference Bridge Configuration for IP Video Telephony 7-9

Cisco CallManager Configuration for IP Video Telephony 7-10

Registration to Gatekeeper 7-10

Service Parameter 7-10

H.323 Clients 7-11

Codec 7-11

Mid-Call Activation Restriction for Cisco VT Advantage 7-15

Shared Line Appearance 7-15

Cisco IP/VC Gateway 7-16

Terminal Capability Set 7-17

C H A P T E R 8 Cisco Enterprise Gateway Configuration 8-1

Cisco Enterprise Gateway Overview 8-2

Legacy DPNSS PBX Configuration 8-4

Configuration the Cisco EGW at Installation 8-4

Configuring IP Routes, Media Gateways, and E1 Spans 8-6

Configuring IP Routes 8-6

Configuring Media Gateways 8-7

Configuring Gateway Properties 8-8

Configuring E1 Spans 8-8

Configuring Properties for E1 Spans 8-9

Media Gateway Configuration Files 8-10

Sample Configuration File for gb1gw Media Gateway 8-11

Sample Configuration File for gb1agw Media Gateway 8-12

Configuring Cisco EGW H.323 Modes, Route Plans, and Dial Plans 8-16

Configuring Cisco EGW H.323 Gatekeeper Mode 8-17

Configuring Cisco EGW H.323 Direct Mode 8-19

Configuring the CTI Manager for the Cisco EGW 8-21

Configuring the AXL Server for the Cisco EGW 2200 8-22

Configuring Cisco EGW Route Plans 8-22

Configuring Cisco EGW Dial Plans 8-23

Configuring Cisco CallManager for Cisco EGW Direct Mode 8-24

C H A P T E R 9 Q Signalling 9-1

Overview 9-2

Data Required to Provision QSIG PBXs 9-2

Call Routing in a QSIG Environment 9-5

Call from PBX 1 to PSTN 9-6

Call from PBX 1 to Cisco CallManager Cluster 1 9-7

Call from PBX 1 to PBX 2 9-9

Call from PBX 1 to Voice Messaging System or Attendant Console 9-10

Configuring QSIG Links and QSIG Intercluster Trunks 9-12

Cisco CallManager Configuration for QSIG-Related Service Parameters 9-14

Cisco Catalyst 6500 Switch Configuration for QSIG Links 9-15

Cisco CallManager Configuration for QSIG Links 9-22

Gateway Configuration 9-22

Route Group Configuration 9-26

Route List Configuration 9-26

Route Pattern Configuration 9-27

Cisco CallManager Configuration for QSIG Intercluster Trunks 9-28

C H A P T E R 10 Using Microsoft Active Directory 2003 with an IPT Solution 10-1

Microsoft Active Directory 2003 Topology in a Medium Site Model 10-2

Using Cisco CallManager with Microsoft Active Directory 2003 10-3

Using Cisco Customer Response Applications with Microsoft Active Directory

2003 10-3

Using Cisco Unity with Microsoft Active Directory 2003 10-4

C H A P T E R 11 Troubleshooting and Technical Tips 11-1

General Troubleshooting Tips 11-1

Additional Troubleshooting Resources 11-2

C H A P T E R 12 Cisco CallManager Failure, Failover, and Recovery 12-1

Test Conditions 12-1

Test 1: Disconnected Cable from Primary Cisco CallManager Server 12-2

Test 2: Failback 12-2

Test 3: Failover, Failover, Failback 12-3

C H A P T E R 13 Call Load Testing 13-1

A P P E N D I X A Release Versions of Components 14-1

I N D E X

Contents

Overview

Systems Test Architecture Reference Manual for EMEA IPT describes the

components and configurations that have been tested and verified as part of

IP Communications Systems Test Release 4.0 for EMEA Internet Protocol Telephony (IPT) This manual also includes related information for call flows, troubleshooting, failover behavior, and call load testing

Audience

This manual is intended for system administrators who are familiar with the various hardware and software components that are included in IP

Communications Systems Test Release 4.0 and that are discussed in this manual

It assumes that readers have the technical and product knowledge to install, configure, manage, and troubleshoot the systems described

Preface Organization

Organization

This manual is organized as follows:

Chapter 1, “Tested Scenarios and Site Models”

Describes the tested IPT site scenarios and the site models that make up these scenarios; includes topology diagrams and lists of the hardware and software components in each site modelChapter 2, “Cisco CallManager

Configuration”

Provides an overview of how Cisco CallManager was set up for the Multi-Site Single-Cluster Distributed scenario

Chapter 3, “Cisco Unity Configuration”

Provides an overview of how Cisco Unity was set up

Chapter 4, “Cisco CallManager Express Configuration”

Provides an overview of how Cisco CallManager Express was set up; includes configuration files for using Cisco CallManager Express with PRI, BRI, and FXO

Chapter 5, “Cisco IP Manager Assistant Configuration”

Provides an overview of how Cisco IPMA was set up for the Multi-Site

Single-Cluster Distributed scenarioChapter 6, “Wireless

Configuration”

Provides an overview of how the Cisco Aironet Access Point (AP) 1231, the Cisco IP Phone 7920, and the Cisco Secure Access Control Server (ACS) 3.2 were configured for wireless operation

Chapter 7, “IP Video Telephony Configuration”

Provides an overview of how IP Video Telephony was configured

Chapter 8, “Cisco Enterprise Gateway Configuration”

Provides an overview of how Cisco EGW

2200 Enterprise Gateways and related components were configured

• Systems Release Notes for EMEA IPT: IP Communications Systems Test Release 4.0—Provides late-breaking information, including resolved and

known caveats, and important notes, that apply to IP Communications Systems Test Release 4.0 for EMEA IPT

• Systems Test Architecture Reference Manual for North America IPT: IP Communications Systems Test Release 4.0—Describes the components and

configurations that have been tested and verified as part of IP Communications Systems Test Release 4.0 for North America IPT

Chapter 9, “Q Signalling” Provides an overview of the configuration

of Cisco CallManager and third-party PBXs Cisco CallManager for QSIGChapter 10, “Using Microsoft

Active Directory 2003 with an IPT Solution”

Provides guidelines and references for using Microsoft Active Directory 2003 with an IPT solution

Chapter 11, “Troubleshooting and Technical Tips”

Provides guidance and resources for diagnosing and correcting errorsChapter 12, “Cisco CallManager

Failure, Failover, and Recovery”

Provides an overview of failover testing

Chapter 13, “Call Load Testing” Describes results of load testingAppendix A, “Release Versions of

Preface Obtaining Documentation

• Systems Release Notes for North America IPT: IP Communications Systems Test Release 4.0—Provides late-breaking information, including resolved and

known caveats, and important notes, that apply to IP Communications Systems Test Release 4.0 for North America IPT

• Systems Upgrade Manual—Provides information about upgrading

components and configurations from a previous IP Communications Systems Test Release

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com Cisco also provides several ways to obtain technical assistance and other technical resources These sections explain how to obtain technical information from Cisco Systems

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/univercd/home/home.htmYou can access the Cisco website at this URL:

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Documentation DVD

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Preface Cisco Product Security Overview

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products

• Obtain assistance with security incidents that involve Cisco products

• Register to receive security information from Cisco

A current list of security advisories and notices for Cisco products is available at this URL:

http://www.cisco.com/go/psirt

If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

http://www.cisco.com/en/US/products/products_psirt_rss_feed.html

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products We test our products internally before we release them, and we strive to correct all vulnerabilities quickly If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

Obtaining Technical Assistance

Never use a revoked or an expired encryption key The correct public key to use

in your correspondence with PSIRT is the one that has the most recent creation date in this public key server list:

http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance The Cisco Technical Support Website on Cisco.com features extensive online support resources In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support If you

do not hold a valid Cisco service contract, contact your reseller

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies The website is available 24 hours a day, 365 days a year, at this URL:

http://www.cisco.com/techsupportAccess to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password If you have a valid service contract but do not have a user

ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Preface Obtaining Technical Assistance

Note Use the Cisco Product Identification (CPI) tool to locate your product serial

number before submitting a web or phone request for service You can access the

CPI tool from the Cisco Technical Support Website by clicking the Tools &

Resources link under Documentation & Tools Choose Cisco Product

Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs The CPI tool

offers three search options: by product ID or model name; by tree view; or for

certain products, by copying and pasting show command output Search results

show an illustration of your product with the serial number label location highlighted Locate the serial number label on your product and record the information before placing a service call

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequestFor S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly

To open a service request by telephone, use one of the following numbers:Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)

EMEA: +32 2 704 55 55USA: 1 800 553-2447For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Obtaining Additional Publications and Information

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions

Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations You and Cisco will commit all necessary resources around the clock to resolve the situation

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products You and Cisco will commit full-time resources during normal business hours to resolve the situation

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional You and Cisco will commit resources during normal business hours to restore service to satisfactory levels

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration There is little or no effect on your business operations

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources

• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise Visit Cisco Marketplace, the company store, at this URL:http://www.cisco.com/go/marketplace/

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• Packet magazine is the Cisco Systems technical user magazine for

maximizing Internet and networking investments Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and

Preface Obtaining Additional Publications and Information

troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources You can access Packet magazine at this URL:

http://www.cisco.com/packet

• iQ Magazine is the quarterly publication from Cisco Systems designed to

help growing companies learn how they can use technology to increase revenue, streamline their business, and expand services The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

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• World-class networking training is available from Cisco You can view current offerings at this URL:

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C H A P T E R 1

Tested Scenarios and Site Models

This chapter describes the following Internet Protocol Telephony (IPT) site scenarios that were tested and verified as part of IP Communications Systems Test Release 4.0 for EMEA IPT:

• Single Site scenario

• Multi-Site Centralized scenario

• Multi-Site Distributed scenario

• Multi-Site Single-Cluster Distributed scenarioEach scenario is composed of one or more site models, which this chapter also describes

For additional guidelines, recommendations, and best practices for implementing enterprise networking solutions, refer to the Cisco Solution Reference Network Design (SRND) guides and related documents, which are available at this URL:www.cisco.com/go/srnd

For a list of the release versions of the components used in the site models, see Appendix A, “Release Versions of Components.”

For additional configuration information, refer to the following chapters in

Systems Test Architecture Reference Manual For North America IPT: IP Communications Systems Test Release 4.0 These chapters describe components

that were tested for North America IPT but that also are functional in EMEA IPT

• Cisco Unity Express Configuration

• Cisco Personal Assistant Configuration

• Cisco Customer Response Applications Configuration

Chapter 1 Tested Scenarios and Site Models Purpose of Solution Tests

• Cisco MeetingPlace Configuration

• Fax, Modem, and TTY/TDD Configurations

• Quality of Service ConfigurationThis chapter includes the following topics:

• Purpose of Solution Tests, page 1-2

• Overview of Test Scenarios, page 1-3

• Site Models for the Test Scenarios, page 1-11

Purpose of Solution Tests

An efficient, effective, and reliable IPT solution requires many interrelated hardware and software components The Single Site, Multi-Site Centralized, and Multi-Site Single-Cluster Distributed scenarios described in this manual provide you with models and guidance as you implement an IPT system for your organization For each scenario, Cisco has selected, installed, configured, and tested hardware and software designed to work together seamlessly and to provide

a complete and optimized IPT solution

Each scenario and test addresses the following issues:

Chapter 1 Tested Scenarios and Site Models

Overview of Test Scenarios

• Serviceability

• Regression

Overview of Test Scenarios

The following sections describe the IPT site scenarios that were tested and verified as part of IP Communications Systems Test Release 4.0 for EMEA IPT:

• Single Site Scenario, page 1-3

• Multi-Site Centralized Scenario, page 1-5

• Multi-Site Distributed Scenario, page 1-6

• Multi-Site Single-Cluster Distributed Scenario, page 1-8

Single Site Scenario

A Single Site scenario consists of a Cisco CallManager located at a single site or campus, with no telephony services provided over an IP WAN A LAN or a metropolitan area network (MAN) carries voice traffic throughout the site If an

IP WAN is used, it is for data traffic only Calls beyond the LAN or MAN use the public switched telephone network (PSTN)

A Single Site scenario can consist of either of these site models:

• Small Site model For more information, see the “Small Site Model” section

on page 1-12

• Medium Site 1 model For more information, see the “Medium Site 1 Model” section on page 1-14

The tested Single Site scenarios have the following design characteristics:

• Support for up to 1,000 phones at a medium site and 500 phones at a small site

• Cisco CallManager cluster for redundancy and system scalingFigure 1-1 provides an overview of the Single Site scenario (Medium Site model)

Chapter 1 Tested Scenarios and Site Models Overview of Test Scenarios

Figure 1-1 Single Site Scenario (Medium Site Model)

Single Site, Medium size Up to 1000 phones.

CAT3550-24 CAT3524

Analog Telephones & Faxes

Attendant console Attendant console

Domino Clients Unity Server 7847

VLAN 22 10.10.30.64/26

CAT3550-24 CAT3524 CAT3550-24 CAT3524

VLAN 127 10.10.37.0/24

VLAN 128 10.10.38.0/24

SCCP Video endpoints

H.323 Video endpoints

Video Gateway 3526

DPNSS PBX

DPNSS Links EGW DPNSS

For CCM & Unity

V

V 2691XM

Access point

7920

7206 VXR 10.10.30.4

3725 video GK 1 10.10.30.73

Single Site, Medium size Up to 1000 phones.

CAT3550-24 CAT3524

Local IP Phones

Analog Telephones & Faxes

Attendant console Attendant console

Domino Clients Unity Server 7847

VLAN 22 10.10.30.64/26

CAT3550-24 CAT3524 CAT3550-24 CAT3524

VLAN 127 10.10.37.0/24

VLAN 128 10.10.38.0/24

ATA 188

SCCP Video endpoints

H.323 Video endpoints

Video Gateway 3526

DPNSS PBX

DPNSS Links EGW DPNSS

For CallManager

& Unity

V

V 2691XM

Access point

7920

7206 VXR 10.10.30.4

3725 video GK 1 10.10.30.73

Chapter 1 Tested Scenarios and Site Models

Overview of Test Scenarios

Multi-Site Centralized Scenario

A Multi-Site Centralized scenario consists of a multi-site IP over ATM/Frame Relay WAN with centralized call processing In this scenario, a single Cisco CallManager cluster provides call processing services for multiple remote sites and uses the WAN to carry IP telephony traffic between the sites The WAN also carries call control signaling between the central site and the remote sites

If the central site or the WAN goes down, remote sites can continue to have service through Survivable Remote Site Telephony (SRST), which runs on Cisco IOS gateways Remote sites can also place calls over the PSTN if the WAN becomes temporarily oversubscribed

The tested Multi-Site Centralized scenario is composed of one Medium Site 3 model and 50 Remote Site models

For more information about the Multi-Site Centralized scenario site models, see the “Medium Site 3 Model” section on page 1-19 and the “Remote Site Models” section on page 1-22

The tested Multi-Site Centralized scenario has the following design characteristics:

• Cisco CallManager cluster resides at the central site

• Support for up to 1,000 phones in each site

• Centralized operator services

• Billing and accounting services

• Voice recording available for any PSTN call

• Cisco Unity Unified Messaging resides at the central site

• Cisco Unity, in a deployment where Lotus Domino is used for unified messaging services

• Centralized dial plan and administration

• Call admission control based on locations (to protect voice quality of WAN calls)

• SRST for remote sitesFigure 1-2 provides an overview of the Multi-Site Centralized scenario

Chapter 1 Tested Scenarios and Site Models Overview of Test Scenarios

Figure 1-2 Multi-Site Centralized Scenario

Multi-Site Distributed Scenario

A Multi-Site Distributed scenario consists of a multi-site IP over ATM/Frame Relay WAN with call processing distributed through two or more

Cisco CallManager clusters A WAN carries IP telephony traffic between the Cisco CallManager clusters and the remote sites The WAN also carries call control signalling between the clusters and the remote sites

If the WAN goes down, remote sites can continue to have service through Survivable Remote Site Telephony (SRST), which runs on Cisco IOS gateways Remote sites can also place calls over the PSTN if the WAN becomes temporarily oversubscribed

A Cisco CallManager cluster can consist of only Small Site models, of only Medium Site 3 models, or of these site models in any combination The Cisco CallManager cluster in the tested Multi-Site Distributed scenario is

Router

WAN

Cisco and third-party applications:

CRSIPSSBillingVoIP recording

PSTN

SRST-enabledrouter

SRST-enabledrouter

Branch B

Branch C Headquarters A

Chapter 1 Tested Scenarios and Site Models

Overview of Test Scenarios

composed of a Small Site model and a Medium Site 3 model that are connected through a WAN, and of 50 Remote Site models that are connected the

Cisco CallManager cluster in the Medium Site 3 model

For more information about the Multi-Site Distributed scenario site models, see the “Small Site Model” section on page 1-12, the “Medium Site 3 Model” section

on page 1-19, and the “Remote Site Models” section on page 1-22.The tested Multi-Site Distributed scenario has the following design characteristics:

• Cisco CallManager clusters reside at two central sites

• Support for up to 1,000 phones in the first cluster and 500 phones in the second cluster

• Support for up to 50 phones in each SRST site

• Centralized operator services

• Billing and accounting services

• Voice recording available for any PSTN call

• Cisco Unity Unified Messaging resides at each Cisco CallManager cluster

• Cisco Unity, in a deployment where Lotus Domino / Lotus Notes is used for unified messaging services

• Distributed dial plan and administration

• Call admission control based on locations (to protect voice quality of WANcalls)

• SRST for remote sitesFigure 1-3 provides an overview of the Multi-Site Distributed scenario

Chapter 1 Tested Scenarios and Site Models Overview of Test Scenarios

Figure 1-3 Multi-Site Distributed Scenario

Multi-Site Single-Cluster Distributed Scenario

A Multi-Site Single-Cluster Distributed scenario consists of two or more sites Each site includes one primary and one standby subscriber server The subscriber servers are connected to a publisher server that resides in addition to the two subscriber servers at one of the sites In this scenario, an IP over ATM WAN caries voice traffic and intra-cluster call control signaling between the sites

This scenario provides local and remote failover operations for the two primary subscriber servers Under normal operation, the primary subscriber server in each site manages the local phones in that site With local failover, the local primary subscriber server fails over to the local standby server If the primary subscriber

51 2mbps

Fr ame Relay

E1 - E3 AT

M Link

2621XM SRST (MGCP) GW 10.10.72.1 16 Phones.

3725 SRST (MGCP) GW 10.10.78.1 16 Phones.

1760 SRST (H.323) GW 10.10.63.1 4 Phones 2621XM SRST (H.323) GW 10.10.70.1 10 Phones

3725 SRST (H.323) GW 10.10.75.1 16 Phones.

1760 SRST (MGCP) GW 10.10.67.1 4 Phones 2621XM SRST (MGCP) GW 10.10.73.1 16 Phones.

3521 Video BRI GW for SCCP Video endpoint

3725 SRST (MGCP) GW 10.10.79.1 20 Phones.

1760 SRST (H.323) GW 10.10.64.1 4 Phones 2621XM SRST (H.323) GW 10.10.69.1 10 Phones.

3725 SRST (H.323) 10.10.76.1 GW 20 Phones.

3521 Video BRI GW for SCCP Video endpoint

1760 SRST (MGCP) GW 10.10.68.1 10 Phones 2621XM SRST (MGCP) GW 10.10.74.1 20 Phones.

3725 SRST (MGCP) GW 10.10.80.1 50 Phones.

1760 SRST (H.323) GW 10.10.65.1 10 Phones 2621XM SRST (H.323) 10.10.71.1 GW 24 Phones.

3725 SRST (H.323) GW 10.10.77.1 50 Phones.

3521 Video BRI GW for SCCP Video endpoint QSIG connected PBX Backhauled to CCM

12 8k - 2mbps

Fr am e R ela y

256k - 2mbps

F ram e lay

51 2mbpsFrame R e

la y

25 6k - 2 m b p s

Fr am e Relay

E 1

- E3 M

P L S Lin

512k - 2mb ps Fra

m e Relay

786k - 2mbps Frame Relay

2 56k - 2 mbps

F ra me Relay

E1 - E3

ATM Link

1 - E 3 M PL Link

25 6

k - 2mbps Fram

e R y

E 1 - E3 M k

E E3 M

SimClient

Analogue Trunks ISDN BRI Trunks ISDN PRI Trunks

ATM / Frame Relay and MPLS Cloud

6 WAN attached CME remote sites 12

- 2mbp s Fra

me Re lay

12 - 2mbps

Fr am elay

E1 - E3 nk

E 1

- E 3

MP LS E1P LS

E 1 3 M k

Analogue Trunks ISDN BRI Trunks ISDN PRI Trunks

ISDN PRI Trunks

3725 GK a

10.10.50.143

SCCP Video endpoints H.323 Video endpoints Unity

3511 MCU 10.10.50.147

3725 GK b

10.10.50.203

Publisher 7835 10.10.40.5/25

7835 SUB - 1 10.10.40.134/25

QSIG PBX

3526 Video GW’s 10.10.40.14/140

3511 MCU 10.10.50.147

C3745 10.10.40.4

SCCP Video endpoints

P LINK 10/100 PC 10/100 PC LINKLINK 5V5V P 10/100 PCLINKLINK 5V5V

Access point 7920 Attendant console

H.323 Video endpoints

3725 Video GK b 10.10.40.141

3725 Video

GK a 10.10.40.73

Unity Server 10.10.40.137

Domino Server 10.10.40.136

Console Server 10.10.40.135

VoIP Rec 1 10.10.40.8 VoIP Rec 2 10.10.40.139

Billing Server

Domain Controller 10.10.40.9

4506

E

1 - E3LS

LinkQSIG

3526 Video GW 10.10.50.145

3526 Video GW 10.10.50.146

3526 Video GW 10.10.50.206

Medium Size

CallManager Cluster

Small Size CallManager Cluster

51 2mbps

Fr ame Relay

E1 - E3 AT

M Link

2621XM SRST (MGCP) GW 10.10.72.1 16 Phones.

3725 SRST (MGCP) GW 10.10.78.1 16 Phones.

1760 SRST (H.323) GW 10.10.63.1 4 Phones 2621XM SRST (H.323) GW 10.10.70.1 10 Phones

3725 SRST (H.323) GW 10.10.75.1 16 Phones.

1760 SRST (MGCP) GW 10.10.67.1 4 Phones 2621XM SRST (MGCP) GW 10.10.73.1 16 Phones.

3521 Video BRI GW for SCCP Video endpoint

3725 SRST (MGCP) GW 10.10.79.1 20 Phones.

1760 SRST (H.323) GW 10.10.64.1 4 Phones 2621XM SRST (H.323) GW 10.10.69.1 10 Phones.

3725 SRST (H.323) 10.10.76.1 GW 20 Phones.

3521 Video BRI GW for SCCP Video endpoint

1760 SRST (MGCP) GW 10.10.68.1 10 Phones 2621XM SRST (MGCP) GW 10.10.74.1 20 Phones.

3725 SRST (MGCP) GW 10.10.80.1 50 Phones.

1760 SRST (H.323) GW 10.10.65.1 10 Phones 2621XM SRST (H.323) 10.10.71.1 GW 24 Phones.

3725 SRST (H.323) GW 10.10.77.1 50 Phones.

3521 Video BRI GW for SCCP Video endpoint QSIG connected PBX Backhauled to CCM

12 8k - 2mbps

Fr am e R ela y

256k - 2mbps

F ram e lay

51 2mbpsFrame R e

la y

25 6k - 2 m b p s

Fr am e Relay

E 1

- E3 M

P L S Lin

512k - 2mb ps Fra

m e Relay

786k - 2mbps Frame Relay

2 56k - 2 mbps

F ra me Relay

E1 - E3

ATM Link

1 - E 3 M PL Link

25 6

k - 2mbps Fram

e R y

E 1 - E3 M k

E E3 M

SimClient

Analog Trunks ISDN BRI Trunks ISDN PRI Trunks

ATM / Frame Relay and MPLS Cloud

6 WAN attached CME remote sites 12

- 2mbp s Fra

me Re lay

12 - 2mbps

Fr am elay

E1 - E3 nk

E 1

- E 3

MP LS E1P LS

E 1 3 M k

Analog Trunks ISDN BRI Trunks ISDN PRI Trunks

ISDN PRI Trunks

3725 GK a

10.10.50.143

SCCP Video endpoints H.323 Video endpoints Unity

3511 MCU 10.10.50.147

3725 GK b

10.10.50.203

Publisher 7835 10.10.40.5/25

7835 SUB - 1 10.10.40.134/25

QSIG PBX

3526 Video GW’s 10.10.40.14/140

3511 MCU 10.10.50.147

C3745 10.10.40.4

SCCP Video endpoints

P LINK 10/100 PC10/100 UPLINK P 10/100 PC

Access point 7920 Attendant console

H.323 Video endpoints

3725 Video GK b 10.10.40.141

3725 Video

GK a 10.10.40.73

Unity Server 10.10.40.137

Domino Server 10.10.40.136

Console Server 10.10.40.135

VoIP Rec 1 10.10.40.8 VoIP Rec 2 10.10.40.139

Billing Server

Domain Controller 10.10.40.9

4506

E

1 - E3LS

LinkQSIG

3526 Video GW 10.10.50.145

3526 Video GW 10.10.50.146

3526 Video GW 10.10.50.206

Medium Size

CallManager Cluster

Small Size CallManager Cluster

7206 VXR

Chapter 1 Tested Scenarios and Site Models

Overview of Test Scenarios

server and its standby server fail, remote failover allows the subscriber server to failover to a subscriber server at the remote site There is full cluster-wide functionality between the two sites for all other applications

A redundant pair of Cisco EGW 2200 Enterprise Gateways is located in one of the sites to provide signal processing between Cisco CallManager and TDM PBX systems that use DPNSS The Cisco EGW 2200s also use MGCP to control multiple Cisco gateways in each site, which are connected to multiple PBXs The Cisco EGW 2200s interact with Cisco CallManager through a gatekeeper using H.323

The Multi-Site Single-Cluster Distributed scenario is composed of these site models:

• Medium Site 1 model—Location of the publisher server For more information, see the “Medium Site 1 Model” section on page 1-14

• Medium Site 2 model—Location of the subscriber servers For more information, see the Medium Site 2 Model, page 1-16

The tested Multi-Site Single-Cluster Distributed scenario has the following design characteristics:

• Separate Cisco CallManager clusters reside at each site

• Support for up to 1,000 phones at each site

• Centralized operator services

• Centralized billing and accounting services

• Voice recording available for any PSTN call

• Most services, including Cisco Unity Unified Messaging, Cisco IP Manager Assistant, Cisco Attendant Consoles, and voice over IP recording, run at each site and provide functionality to their respective sites

• Cisco IP Manager Assistant and Cisco Attendant Consoles will failover to their respective servers at the other site If a failover occurs, existing functionality will continue

• Centralized dial plan and administration

• Call admission control based on locations (to protect voice quality of WAN calls)

Figure 1-4 provides an overview of the Multi-Site Single-Cluster Distributed scenario

Chapter 1 Tested Scenarios and Site Models Overview of Test Scenarios

Figure 1-4 Multi-Site Single-Cluster Distributed Scenario

V

CiscoCallManagercluster

CiscoCallManagercluster

Chapter 1 Tested Scenarios and Site Models

Site Models for the Test Scenarios

Site Models for the Test Scenarios

The following sections describe the site models that were used to create the various test scenarios

Each section includes a table that lists the hardware and software components used in the model The tables contain the following information for each component:

• Component—Hardware or software component

• Description—Information such model number, release number, protocol, and hardware platform

• Qty.—Quantity of the component used in the modelTable 1-1 provides an overview of the site models

Table 1-1 Site Models

Name Reference Description

Small Site See the “Small Site Model” section on

page 1-12

Can stand alone as a Single Site scenario or be used as one or more Cisco CallManager clusters in a Multi-Site Distributed scenarioMedium Site 1 See the “Medium Site 1 Model” section

on page 1-14

Can stand alone as a Single Site scenario or be the location of the publisher server in a Multi-Site Single-Cluster Distributed scenarioMedium Site 2 See the “Medium Site 2 Model” section

on page 1-16

Location of subscriber servers in a Multi-Site Single-Cluster Distributed scenario

Medium Site 3 See the “Medium Site 3 Model” section

on page 1-19

Central site in a Multi-Site Centralized scenario or can be used as one or more Cisco CallManager clusters in a Multi-Site Distributed scenarioRemote Site See the “Remote Site Models” section

on page 1-22

Remote sites in a Multi-Site Centralized scenario and a Multi-Site Distributed scenario

Chapter 1 Tested Scenarios and Site Models Site Models for the Test Scenarios

Small Site Model

The Small Site model can stand alone as a Single Site scenario or be used as one

or more Cisco CallManager sites in a Multi-Site Distributed scenario This model contains approximately 500 phones

Figure 1-5 shows the topology of the Small Site model

Figure 1-5 Small Site Model Topology

Single Site, Small size Up to 500 phones.

Local IP Phones

Analog Telephones

& Faxes

Attendant console Attendant console

Domino Clients Unity Server 7837

VLAN 31

CAT3550-24 CAT3524 CAT3550-24 CAT3524

Access point

7920

C3745 10.10.40.4

ATA 188

3725 video GK 1 10.10.40.11

3725 video GK 2 10.10.40.142

Local IP Phones

Analog Telephones

& Faxes

Attendant console Attendant console

Domino Clients Unity Server 7837

VLAN 31

CAT3550-24 CAT3524 CAT3550-24 CAT3524

Access point

7920

C3745 10.10.40.4

ATA 188

3725 video GK 1 10.10.40.11

3725 video GK 2 10.10.40.142

CallManager Cluster

Chapter 1 Tested Scenarios and Site Models

Site Models for the Test Scenarios

Table 1-2 lists the hardware and software components used in the Small Site model

Table 1-2 Small Site Model Components

Component Description Qty.

Cisco Analog Telephone Adaptor (ATA)

Chapter 1 Tested Scenarios and Site Models Site Models for the Test Scenarios

Medium Site 1 Model

The Medium Site 1 model can stand alone as a Single Site scenario or, with the addition of IP over ATM WAN routers and gatekeepers, be the location of the publisher server in the Multi-Site Single-Cluster Distributed scenario This model contains approximately 1,000 phones

Figure 1-1 on page 1-4 shows the topology of the Medium Site 1 model Table 1-3 lists the hardware and software components used in the Medium Site 1 model

Core Switch Cisco Catalyst 4506 with Supervisor IV 1

(NM-HDV with VWIC-2MFT-T1)

1

Music on Hold (MOH) Installed on an MCS-7835-1266 1

Video Endpoint (H.323) Tandberg 880, 2500, or 6000 2

Tandberg 550Tandberg 1000

3

Table 1-2 Small Site Model Components (continued)

Component Description Qty.

Chapter 1 Tested Scenarios and Site Models

Site Models for the Test Scenarios

Table 1-3 Medium Site 1 Model Components

Component Description Qty.

Cisco CallManager Cisco CallManager installed on an

Core Switch Cisco Catalyst 6509 running CATOS 1

Chapter 1 Tested Scenarios and Site Models Site Models for the Test Scenarios

Medium Site 2 Model

The Medium Site 2 model is the location of subscriber servers in the Multi-Site Single-Cluster Distributed scenario This model contains approximately 1,000 phones

Figure 1-6 shows the topology of the Medium Site 2 model This figure also shows the Medium Site 1 model and how the two models interact

Enterprise Gateway Cisco EGW 2200 installed on an

MCS-7835H-3.0-CC1

1

Video Endpoint (H.323) Tandberg 880, 2500, or 6000 2

Tandberg 550 Tandberg 1000

2

Table 1-3 Medium Site 1 Model Components (continued)

Component Description Qty.

Chapter 1 Tested Scenarios and Site Models

Site Models for the Test Scenarios

Figure 1-6 Medium Site 2 Model Topology

Table 1-4 lists the hardware and software components used in the Medium Site 2 model

Clustering over the WAN Site B

PRI's to PSTN TB1

E S T

A W A

TM1A

M WA

Link

V 2691XM

VoIP Recorder 3

10.10.30.75

ATA 188

VLAN 21 10.10.30.0/26 VLAN 22

10.10.38.0/24

Analog Telephones & Faxes Attendant console

Unity Server 7847 10.10.50.13

Domain Controller 10.10.50.9

VoIP Recorder 2 10.10.50.12

SimClient / Camelot

Local IP Phones

Domino Server 10.10.50.72

Console Server 10.10.50.74

EGW 2200 - 1 10.10.50.79

VoIP Recorder 3 10.10.50.75

7920

Video endpoints H.323 SCCP

Cat 6506C 10.10.160.30

V 2691XM EGW GW 10.10.50.76

CAT3550-24 CAT3524 CAT3550-24 CAT3524 CAT3550-24 CAT3524

ATA 188

Access point VLAN 141

BomberXP

VoIP Recorder 1 10.10.50.70

CallManager Cluster Remote subscribers

7835 SUB - 2 10.10.50.69/26

7835 Backup - 2 10.10.50.6/26

Link

E

- E

MP

LS Lk

1760 CME H.323 GW

2621XM CME H.323 GW

3725 CME H.323 GW

2621XM SRST MGCP GW

3725 SRST MGCP GW

1760 CME H.323 GW

ISDN PRI Trunks

PRI's to PSTN TB1a

7206 VXR 10.10.30.4

DPNSS PBX

7206 VXR 10.10.50.4-68

CME & SRST Remote sites

DPNSS PBX

3511 MCU 10.10.50.16

3725 GK - 1

10.10.30.73

EGW 2200 - 2 10.10.50.74

3725 GK - 2 10.10.50.73

3526 Video GW’s 10.10.30.14-15-77-78

3511 MCU 10.10.30.16

3725 video GK 2 10.10.50.80

PRI's to PSTN TB1

E S T

A W A

TM1A

M WA

Link

V 2691XM

VoIP Recorder 3

10.10.30.75

ATA 188

VLAN 21 10.10.30.0/26 VLAN 22

10.10.38.0/24

Analog Telephones & Faxes Attendant console

Unity Server 7847 10.10.50.13

Domain Controller 10.10.50.9

VoIP Recorder 2 10.10.50.12

SimClient / Camelot

Local IP Phones

Domino Server 10.10.50.72

Console Server 10.10.50.74

EGW 2200 - 1 10.10.50.79

VoIP Recorder 3 10.10.50.75

7920

Video endpoints H.323 SCCP

Cat 6506C 10.10.160.30

V 2691XM EGW GW 10.10.50.76

CAT3550-24 CAT3524 CAT3550-24 CAT3524 CAT3550-24 CAT3524

ATA 188

Access point VLAN 141

BomberXP

VoIP Recorder 1 10.10.50.70

CallManager Cluster Remote subscribers

7835 SUB - 2 10.10.50.69/26

7835 Backup - 2 10.10.50.6/26

Link

E

- E

MP

LS Lk

1760 CME H.323 GW

2621XM CME H.323 GW

3725 CME H.323 GW

2621XM SRST MGCP GW

3725 SRST MGCP GW

1760 CME H.323 GW

ISDN PRI Trunks

PRI's to PSTN TB1a

7206 VXR 10.10.30.4

DPNSS PBX

7206 VXR 10.10.50.4-68

CME & SRST Remote sites

DPNSS PBX

3511 MCU 10.10.50.16

3725 GK - 1

10.10.30.73

EGW 2200 - 2 10.10.50.74

3725 GK - 2 10.10.50.73

3526 Video GW’s 10.10.30.14-15-77-78

3511 MCU 10.10.30.16

3725 video GK 2 10.10.50.80

3725 video GK 1

10.10.30.80

CallManager Cluster

Table 1-4 Medium Site 2 Model Components

Component Description Qty.

Access Switch Cisco Catalyst 4506 running IOS 1

Chapter 1 Tested Scenarios and Site Models Site Models for the Test Scenarios

Cisco CallManager Cisco CallManager installed on an

Core Switch Cisco Catalyst 6509 running CATOS 1

Enterprise Gateway Cisco EGW 2200 installed on an

MCS-7835H-3.0-CC1

1

Table 1-4 Medium Site 2 Model Components (continued)

Component Description Qty.

Chapter 1 Tested Scenarios and Site Models

Site Models for the Test Scenarios

Medium Site 3 Model

In the Multi-Site Centralized scenario, the Medium Site 3 model is the site where the Cisco CallManager or the Cisco CallManager cluster is located This model provides the call processing services for the remote sites

In a Multi-Site Distributed scenario the Medium Site 3 model can be used as one

or more of the Cisco CallManager sites in a Multi-Site Distributed scenario.Figure 1-7 shows the topology of the Medium Site 3 model This figure includes topologies of typical Remote Site models

FXS Gateway Cisco Catalyst 6500 with

Video Endpoint (H.323) Tandberg 880, 2500, or 6000 2

Tandberg 550Tandberg 1000

2

Table 1-4 Medium Site 2 Model Components (continued)

Component Description Qty.

Chapter 1 Tested Scenarios and Site Models Site Models for the Test Scenarios

Figure 1-7 Medium Site 3 and Remote Sites Topologies

Table 1-5 lists the hardware and software components used in the Medium Site 3 model

6 WAN attached CME remote sites

PSTN Cloud

20 WAN attached SRST remote sites

ATM / Frame Relay Cloud

1760 SRST (MGCP) GW 10.10.66.1 4 Phones.

F rame Relay

E 1 E3

-A TM L

in k

512 k - 2mbps

786k - 2mbps Frame Relay

E 1 - E3 M

in k

E

- E3M Lin

2621XM SRST (MGCP) GW 10.10.72.1 16 Phones.

3725 SRST (MGCP) GW 10.10.78.1 16 Phones.

1760 SRST (H.323) GW 10.10.63.1 4 Phones 2621XM SRST (H.323) GW 10.10.70.1 10 Phones

3725 SRST (H.323) 10.10.76.1 GW 20 Phones.

3521 Video BRI GW for SCCP Video endpoint

1760 SRST (MGCP) GW 10.10.68.1 10 Phones 2621XM SRST (MGCP) GW 10.10.74.1 20 Phones.

3725 SRST (MGCP) GW 10.10.80.1 50 Phones.

1760 SRST (H.323) GW 10.10.65.1 10 Phones 2621XM SRST (H.323) 10.10.71.1 GW 24 Phones.

3725 SRST (H.323) GW 10.10.77.1 50 Phones.

3521 Video BRI GW for SCCP Video endpoint QSIG connected PBX Backhauled to CCM

128k - 2mbps

e Re

512k

- 2mbps Fram

e R y

256k - 2ps Fra Relay

E 1 - E3M PLS Link

E1 - E3 ATM Link

51

- 2m bps

F ram

e R elay

786

k m

bpsFra m

Relay

256

- 2mram

MPLS Cloud

1 2

- 2b ps

E

E 3

M P LS k

E

E3M

LS L

Analogue Trunks ISDN BRI Trunks ISDN PRI Trunks

QSIG PBX

7206 VXR 10.10.81.1

7835 Publisher

10.10.50.134

7835 Sub - 1

7206 VXR 10.10.50.133/196

3725 GK a

10.10.50.143

SCCP Video endpoints H.323 Video endpoints

3511 MCU 10.10.50.147

3725 GK b

10.10.50.203

3526 Video GW 10.10.50.145

3526 Video GW 10.10.50.146

3526 Video GW 10.10.50.206

S T

M k

20 WAN attached SRST remote sites

ATM / Frame Relay Cloud

1760 SRST (MGCP) GW 10.10.66.1 4 Phones.

F rame Relay

E 1 E3

-A TM L

in k

512 k - 2mbps

786k - 2mbps Frame Relay

E 1 - E3 M

in k

E

- E3M Lin

2621XM SRST (MGCP) GW 10.10.72.1 16 Phones.

3725 SRST (MGCP) GW 10.10.78.1 16 Phones.

1760 SRST (H.323) GW 10.10.63.1 4 Phones 2621XM SRST (H.323) GW 10.10.70.1 10 Phones

3725 SRST (H.323) 10.10.76.1 GW 20 Phones.

3521 Video BRI GW for SCCP Video endpoint

1760 SRST (MGCP) GW 10.10.68.1 10 Phones 2621XM SRST (MGCP) GW 10.10.74.1 20 Phones.

3725 SRST (MGCP) GW 10.10.80.1 50 Phones.

1760 SRST (H.323) GW 10.10.65.1 10 Phones 2621XM SRST (H.323) 10.10.71.1 GW 24 Phones.

3725 SRST (H.323) GW 10.10.77.1 50 Phones.

3521 Video BRI GW for SCCP Video endpoint QSIG connected PBX Backhauled to CCM

128k - 2mbps

e Re

512k

- 2mbps Fram

e R y

256k - 2ps Fra Relay

E 1 - E3M PLS Link

E1 - E3 ATM Link

51

- 2m bps

F ram

e R elay

786

k m

bpsFra m

Relay

256

- 2mram

MPLS Cloud

1 2

- 2b ps

E

E 3

M P LS k

E

E3M

LS L

Analog Trunks ISDN BRI Trunks ISDN PRI Trunks

QSIG PBX

7206 VXR 10.10.81.1

7835 Publisher

10.10.50.134

7835 Sub - 1

7206 VXR 10.10.50.133/196

3725 GK a

10.10.50.143

SCCP Video endpoints H.323 Video endpoints

3511 MCU 10.10.50.147

3725 GK b

10.10.50.203

3526 Video GW 10.10.50.145

3526 Video GW 10.10.50.146

3526 Video GW 10.10.50.206

S T

M k

6 WAN attached CME remote sites

Table 1-5 Medium Site 3 Model Components

Component Description Qty.

Access Switch Cisco Catalyst 6509