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RADVision MCU-323 User Manual

Radvision mcu-323 multipoint conferencing unit
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MCU-323 Multipoint
Conferencing Unit
User Guide
P/N 61288-00001 Rev C

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Summary of Contents for RADVision MCU-323

  • Page 1 MCU-323 Multipoint Conferencing Unit User Guide P/N 61288-00001 Rev C...
  • Page 2 If you are unable to locate a copy, please contact RADVision Ltd. and a copy will be provided to you. Unless otherwise indicated, RADVision registered trademarks are registered in the United States and other territories.

  • Page 3: Table Of Contents

    MCU-323 Topologies Distributed MCU-323s Cascaded Conferences Bandwidth Considerations Summary of MCU-323 Features 1-10 Summary of Built-in Gatekeeper Features 1-12 Physical Description of the MCU-323 1-13 Front Panel 1-13 Rear Panel 1-14 Installing the MCU-323 Prepare the Site Make Cable Connections...
  • Page 4 Install the RADVision OnLAN Tools Preparing for Configuration Invoking the OnLAN Configure 323 Application Selecting an MCU-323 for Configuration Entering a New IP Address for a New MCU-323 Passwords Changing the MCU-323 Password Selecting a Configuration Source Selecting the Unit Type and What You Want to Configure Configuring the Built–in Gatekeeper...
  • Page 5 Adding, Editing, or Deleting Conferencing Services 6-10 Defining a Default Gatekeeper and Router 6-11 LAN Port Settings 6-12 Configuring a Distributed MCU-323 6-14 Identification Information 6-14 Date/Time Settings 6-14 Defining MPs for the Distributed MCU-323 6-15 Adding an MP Entry 6-16 Editing MP Entries 6-17...
  • Page 6 Table of Contents Defining Conferencing Services for the Distributed MCU-323 6-17 Linking a Conferencing Service to an MP 6-18 Defining a Default Gatekeeper and Router for a Distributed MCU-323 6-20 LAN Port Settings for a Distributed MCU-323 6-21 Configuring a Dedicated MP...
  • Page 7 Table of Contents Using the Advanced Commands of the MCU-323 Overview Using the Advanced Commands Troubleshooting the MCU-323 LED Indications 10-1 Initial Setup Problems 10-1 Console Port Access Problems 10-1 Operation Tips 10-2 Safety Considerations Safety Considerations Grounding High Voltage...
  • Page 8 Table of Contents Glossary Index...
  • Page 9 Figure 1-2 – Continuous Presence Quadrant Distribution............... 1-4 Figure 1-3 – Distributed MCU-323s......................1-6 Figure 1-4 – Typical conference over the LAN with one MCU-323. Four media streams are required, using four times the bandwidth....................1-8 Figure 1-5 – Cascaded conference minimizing the use of network bandwidth. The MCU-323 processing toll is distributed among participating MCU-323s.
  • Page 10 Figure 6-9 – MP Settings screen ......................6-16 Figure 6-10 – Services Definition Table for the Distributed MCU-323..........6-17 Figure 6-11 – Service Settings screen for a Distributed MCU-323 ............6-19 Figure 6-12 – Miscellaneous Settings screen for a Dedicated MP ............6-23 Figure 6-13 –...

  • Page 11: About This User Guide

    The OnLAN 323 Configuration software is a Windows application. This manual assumes you have knowledge of Windows 95/98/NT. The chapters are organized in a procedural format to instruct you how to install, configure, and use the MCU-323. Conventions Used in this Guide The following table lists the notation conventions used throughout this guide.

  • Page 12: Finding Specific Information

    This table shows where to find specific information in this guide. If you are looking for… Go to… An introductory overview of the MCU-323, a summary Overview of its features, and its physical description Physical Setup and cabling of the MCU-323...
  • Page 13 Overview This chapter provides an overview of the MCU-323, its functionality, features, and physical description. □ Introduction □ MCU-323 Functionality □ MCU–323 Topologies □ Summary of MCU-323 Features □ Summary of Built–in Gateway Features □ Physical Description of the MCU-323...

  • Page 15: Introduction

    The MCU-323 provides multipoint conference call services at low cost and high performance levels. Based on the RADVision H.323 Stack, which is widely used in many other H.323 compliant products, the MCU-323 is fully H.323 compliant and provides a high degree of interoperability with other conferencing systems and components. The MCU-323 offers a scalable solution at a low entry price.

  • Page 16: Mcu-323 Functionality

    MCU-323 automatically sets up the conference. Anyone else who dials that number can join the conference at any time. The MCU-323 permits users to "invite" others to join the conference just as some telephones allow users to set up their own conference calls without the assistance of an operator.

  • Page 17: Voice-Activated Video Switching

    Continuous Presence screen in the same manner as a participant on the LAN. Chair Control Locking of the video image (via the MCU-323 web interface) can be used to suspend the voice–activated video switching. When locked, the voice activated picture quadrant remains the same, and video switching is suspended.

  • Page 18: Data Collaboration Using T.120

    T.120 Server can be activated using the MCU–323 web interface for endpoints that support data collaboration using NetMeeting. Data sharing is facilitated by an external, Windows NT based RADVision T.120 Data Collaboration Server (DCS). The DCS controls the data sharing channels between terminals.

  • Page 19: Audio Mixing

    This can be used to accommodate endpoints that can only process specific audio formats, and to free up bandwidth on the LAN. The MCU-323 provides audio transcoding for the G.723.1 (at bandwidth of 5.3 or 6.3 Kbps) and G.729 A/B (at bandwidth of 8 Kbps) codecs. The MCU-323 can be configured to prioritize the transcoding, giving preference to a particular codec that is requested in a defined conference service.

  • Page 20: Mcu-323 Topologies

    MCU-323 Topologies The MCU-323 operates in a centralized topology with terminals working opposite an MCU-323 unit, as opposed to connecting directly to each other. To facilitate better CPU and bandwidth utilization, you can arrange the MCU-323 in a distributed or cluster configuration.

  • Page 21: Cascaded Conferences

    Example: An MCU-323 that optimally supports up to 15 participants in a 110 Kbps (video bit rate) videoconference can cascade two MCU-323s and increase the total number of participants to as much as 28 utilizing the same bandwidth per LAN segment.

  • Page 22: Using Four Times The Bandwidth

    Overview 4 media streams MCU-323 required Figure 1-4 – Typical conference over the LAN with one MCU-323. Four media streams are required, using four times the bandwidth. only 1 media stream required MCU-323 MCU-323 Figure 1-5 – Cascaded conference minimizing the use of network bandwidth. The MCU-323...

  • Page 23: Bandwidth Considerations

    You can also set a Dynamic Bandwidth service, in which the MCU-323 adapts the bandwidth to the videoconferencing terminal with the lowest bandwidth capacity. See Defining Conferencing Services in Configuring the...

  • Page 24: Summary Of Mcu-323 Features

    Overview Summary of MCU-323 Features Supported Protocols H.323 V.2, H.245, H.225. Audio Coding G.711 A/µ Law, G.723.1, G.729 A/B. Video Coding H.261 CIF and QCIF, H.263 CIF and QCIF. 10/100BASE-T Ethernet LAN UTP connection. Bandwidth Support Supports dynamic bandwidth adjustment during a conference.
  • Page 25 Summary of MCU-323 Features Distribution of up to 4 units to increase the number of Distributed Topology concurrent conferences and the number of total available calls. Allows parties to view and/or listen without actively Operational participating in a conference. Advantages Allows the linking of services to specific MPs.

  • Page 26: Summary Of Built-In Gatekeeper Features

    Address Translation Translates endpoint phone numbers or names (endpoint aliases) into IP addresses. Admission Controls the terminal’s LAN and MCU-323 usage by controlling the following parameters: Bandwidth used by H.323 session in a zone. Bandwidth used by a single H.323 endpoint.

  • Page 27: Figure 1-6 - Mcu-323 Front Panel

    MCU 323 LOADED IDLE Figure 1-6 – MCU-323 Front Panel The four Loaded LEDs, at the center of the front panel, indicate the unit’s CPU load as outlined in the table below: LED State...

  • Page 28: Figure 1-7 - Mcu-323 Rear Panel

    The rear panel contains a LAN module port, the AC Power connector, and Power ON/OFF switch. The LAN port is a 10/100 Mbps 10/100Base-T IEEE 802.3 Ethernet connection. Power Switch Power Connector LAN Port Figure 1-7 – MCU-323 Rear Panel 1-14...
  • Page 29 Installing the MCU-323 To install the MCU-323 you need to: □ Prepare the site for installation □ Make cable connections to the MCU-323 □ Mount the MCU-323 in a 19–inch rack □ Install the configuration software...

  • Page 31: Prepare The Site

    Make Cable Connections The following describes connecting the power and the LAN connection to the MCU-323. Refer to Overview for an illustration of the MCU-323 rear panel and its cable connections. Connect the Power The MCU-323 receives AC power through a standard power cable with a grounded three- prong plug.

  • Page 32: Safety Considerations

    A straight through Ethernet cable with RJ-45 connectors ! To connect to the LAN • Connect the appropriate LAN cable to the LAN port at the rear of the MCU-323, and connect the other end of the cable to your local network connection or hub.

  • Page 33: Figure 2-1 - Attaching Rack Mounting Brackets

    Mount the MCU-323 in a 19-inch Rack Mount the MCU-323 in a 19-inch Rack You can install the MCU-323 in a standard 19-inch rack. Two mounting brackets are included in the package. MCU 323 FUNCTION LOADED LINK IDLE TEST SERIAL PORT...

  • Page 34: Install The Radvision Onlan Tools

    Installing the MCU-323 Install the RADVision OnLAN Tools The installation CD ROM included with your MCU-323 installs the OnLAN Configure 323 application, the Software Upload Utility, and product documentation. ! To install the OnLAN Tools configuration software for the first time Insert the supplied MCU-323 CD-ROM in your CD drive.
  • Page 35 Preparing for Configuration You configure the MCU-323 using the OnLAN Configure 323 application. Configuration includes: □ Invoking the OnLAN Configure 323 application □ Selecting an MCU-323 device to configure □ Entering a New IP Address for a New MCU-323 □...

  • Page 37: Figure 3-1 - Select Unit Screen

    Invoking the OnLAN Configure 323 Application ! To initiate the OnLAN Configure 323 Application From the Start | Programs menu, select the RADVision OnLAN Tools folder and click OnLAN Configure 323. The application displays a background screen, followed by the Select Unit screen, see Figure 3-1.

  • Page 38: Selecting An Mcu-323 For Configuration

    Preparing for Configuration Selecting an MCU-323 for Configuration The first step in configuration is selecting an MCU-323 device on the LAN that you want to configure. When configuring more than one new unit, install and configure only one device at a time.

  • Page 39: Figure 3-2 - Enter Password Screen

    Once you select a unit to configure you must type in a password to access the Configuration Source screen and proceed with configuration. New MCU-323 units leave the factory without a password. When configuring for the first time, leave this text box empty. The password can have a maximum of 16 characters and is case sensitive.

  • Page 40: Figure 3-3 - Change Password Screen

    In the New Password text box, type the new password. In the Confirm New Password text box, type the new password again for verification. Click OK to confirm. The Configuration Source screen is displayed again. If you forget your password, contact RADVision Technical Support at HWsupport@tlv.radvision.com or OnLANsupport@radvision.com.

  • Page 41: Figure 3-4 - Configuration Source Screen

    Selecting a Configuration Source Selecting a Configuration Source In the Configuration Source screen, you define the function of the MCU-323 or Unit Type, and enter the Unit Setup, Gatekeeper Setup, or Change Password dialogs used to configure the unit. Figure 3-4 – Configuration Source screen If you want to...
  • Page 42 Change Password (button) — Displays the Change Password screen. See Changing the MCU-323 Password. Source (list box) — Displays the available stored configuration files for the MCU-323. Configure Gatekeeper (button) — Displays the Gatekeeper Setup screen for configuring the built-in Gatekeeper of the unit.

  • Page 43: Selecting The Unit Type And What You Want To Configure

    Selecting the Unit Type and What You Want to Configure Selecting the Unit Type and What You Want to Configure ! To set the unit function type In the Configuration Source screen, select one of the function types displayed in the Unit Type drop down list: MCU (Single Station MCU–323) "...
  • Page 45 □ Zone Definition □ Neighbor Gatekeepers □ Network Topology □ Network Control If you are working with an external gatekeeper or in the Distributed MCU-323 or Dedicated MP modes, skip this section and proceed to the chapter Configuring the Unit.

  • Page 47: Figure 4-1 - Application Parameters Screen

    Accessing the Gatekeeper Configuration ! To begin Gatekeeper Setup In the Configuration Source screen click Gatekeeper Setup. The Gatekeeper Application Parameters screen is displayed. The Application Parameters screen contains five configuration modules. Use the table below as a guide to selecting the module you want to configure first. After you complete setting an option, you will return to the Application Parameters screen.

  • Page 48: Services Definition

    Configuring the Built–in Gatekeeper To... Click the button... For instructions refer to ... Set Prefixes for available Services Definition Services Definition services Define endpoints for the Zone Definition Zone Definition Gatekeeper zone Define Neighbor Gatekeepers Neighbor Gatekeepers Neighbor Gatekeepers Define Islands for routing Network Topology Network Topology purposes...

  • Page 49: Figure 4-2 - Gatekeeper Services Definition Table Screen

    Services Definition Even if two endpoints in two zones have an identical number, there is no ambiguity in telling them apart since the Zone Prefix preceding the number determines exactly which endpoint is being called. When no Zone Prefixes are defined, the following call requests are accepted: Call requests to a service defined in the zone and allowed as Public.

  • Page 50: Figure 4-3 - Services Definition Screen

    Configuring the Built–in Gatekeeper Figure 4-3 – Services Definition screen ! To define a Forward Prefix, Zone Prefix or Exit Zone prefix for the Gatekeeper In the Application Parameters screen click the Services Definition button. The Gatekeeper Services Definition Table is displayed. Select the built-in service you want to define (Forward, Zone Prefix 1, Zone prefix 2 or Exit Zone), and click Edit.

  • Page 51: Service Access Control

    Services Definition Service Access Control In the basic default configuration, all services are available to all endpoints by defining them both as Public and Default. This allows all endpoints to access the network services. You can restrict access to and distinguish between services by changing the service status to either Public or Default.

  • Page 52: Editing The Gatekeeper Default Services

    Configuring the Built–in Gatekeeper Note The prefixes you set in the Service Definition Table of the MCU-323 should match those set in the Service Definition Table of the Gatekeeper. See Services Definition. ! To define the service prefix as an additional phone number If the terminal does not support the RAS protocol and has to be predefined, follow the "...

  • Page 53: Saving The Service Definitions To A File

    Services Definition Saving the Service Definitions to a File You can save the services you define in the Services Definition Table to a file. Services Definition Table data files are saved with an ‘*.srv’ file extension. ! To save the Gatekeeper services to a file From the Services Definition Table screen, click Save.

  • Page 54: Zone Definition

    Zone Definition options. Zone Access Control The RADVision Gatekeeper can operate in one of two modes: Open Zone and Strict Zone, giving you the choice to control endpoint access to the zone. In an Open Zone mode, the gatekeeper accepts registration from all endpoints for which this gatekeeper is defined as the default gatekeeper.
  • Page 55 Zone Definition Note In addition to controlling endpoint access to a zone, predefining endpoints with the Gatekeeper is necessary when registering endpoints that do not support dynamic registration. Only endpoints that support the RAS protocol can dynamically register with the Gatekeeper.

  • Page 56: Figure 4-4 - Zone Definition Table

    Configuring the Built–in Gatekeeper ! To display the Zone Definition Table • In the Application Parameters screen click Zone Definition. The Zone Definition Table is displayed. Figure 4-4 – Zone Definition table The following parameters and settings are displayed in the Zone Definition Table: Number of Entries —...
  • Page 57 Zone Definition Status — Indicates the designated status of the endpoint. The status of the endpoint can be one or more of the following: predef — The endpoint has been predefined. All predefined endpoints can make calls. " To receive calls predefined endpoints that do not support the RAS protocol also have to be defined as Online Always, and predefined endpoints that support the RAS protocol have to be online.

  • Page 58: Figure 4-5 - Predefined Properties Screen

    Configuring the Built–in Gatekeeper Adding a New Endpoint ! To add a new endpoint to the Zone Definition Table • From the Zone Definition Table screen, click Add. The Predefined Properties screen is displayed: Figure 4-5 – Predefined Properties screen The Predefined Properties screen allows you to define the registration properties for an endpoint.

  • Page 59: Defining The Properties Of A New Endpoint

    Zone Definition Unit Type – The type of unit you are defining. Unit types include: Terminal, Gateway, MCU and Undefined. The Gatekeeper allows dynamic registration of a predefined endpoint only when it corresponds to the Unit Type you set. If you are not sure what type of endpoint you are predefining, choose Undefined.

  • Page 60: Figure 4-6 - Allowed Services Screen

    Configuring the Built–in Gatekeeper predefined aliases. This is done by selecting the Alias Assignment check box in the Gatekeeper Network Control screen. See Alias Assignment in Network Control. You can set the Alias Assignment parameter when you finish predefining all endpoints. See Alias Assignment.

  • Page 61: Predefining Endpoints In A Dynamic Ip Environment

    Zone Definition Click Ok to confirm and return to the Predefined Properties screen. You have finished predefining this endpoint. Predefine other endpoints or exit the Zone Definition Table by clicking Ok. Note When the Zone Definition Table screen is open, endpoints cannot register dynamically with the Gatekeeper.

  • Page 62: Editing Endpoint Settings

    Configuring the Built–in Gatekeeper Editing Endpoint Settings The Edit button allows you to: Edit the properties of a predefined endpoint. " Add predefined properties to an online endpoint. " View the properties of predefined and online endpoints. " ! To edit or view the properties of a predefined endpoint From the Zone Definition Table, select the predefined endpoint you want to edit and click Edit.

  • Page 63: Figure 4-7 - Online Properties Screen

    Zone Definition Figure 4-7 – Online Properties screen The following parameters and settings are displayed in the Online Properties screen: Registration IP and Port — This is the IP address with which the endpoint registered to the Gatekeeper. Together with the Port, it forms the socket through which the endpoint receives RAS messages from the Gatekeeper.

  • Page 64: Figure 4-8 - Supported Services Screen For A Gateway

    Configuring the Built–in Gatekeeper Always — The type of forwarding service. In this version only Always is available. " Phone Num. — The destination phone number. " 2nd — The second destination phone number when forwarding 2B calls through the "...

  • Page 65: Adding Predefined Properties To An Online Endpoint

    Zone Definition Adding Predefined Properties to an Online Endpoint ! To add predefined properties to an online endpoint Click Make Predefined. The Predefined Properties screen is displayed (see Figure 4-5) including the online registration data of the endpoint. Make the necessary additions to the Predefined Properties fields. Refer to Adding a New Endpoint for a description of the available parameters.

  • Page 66: Saving Or Loading Settings Of The Zone Definition Table

    Configuring the Built–in Gatekeeper Saving or Loading Settings of the Zone Definition Table You can save the settings you define in the Zone Definition Table to a file. This is useful to prevent all Gatekeeper data being lost when the Gatekeeper is unexpectedly shut off. Zone Definition Table data files are saved with an ‘*.nbr’...

  • Page 67: Neighbor Gatekeepers

    For gatekeepers to direct calls to and from endpoints in other zones they have to be able to communicate with the gatekeepers in the other zones. The RADVision Gatekeeper can communicate with other gatekeepers if you define these gatekeepers as Neighbors.

  • Page 68: Figure 4-9 -Neighbor Gatekeepers Table Screen

    Configuring the Built–in Gatekeeper ! To display the Neighbor Gatekeepers Table • In the Application Parameters screen click Neighbor Gatekeepers. The Neighbor Gatekeepers Table is displayed. Figure 4-9 –Neighbor Gatekeepers Table screen The Neighbor Gatekeepers Table screen displays the following parameters and settings: Number of Entries —...

  • Page 69: Figure 4-10 - Neighbor Gk Parameters Screen

    Neighbor Gatekeepers Prefix — The prefix required, when it has been defined, to call an endpoint in a neighboring gatekeeper zone (see Services Definition). Distance — A designation between 0 and 255 representing the logical distance from the current Gatekeeper to the neighbor gatekeeper. For details on defining Distance parameters see Distance Settings.

  • Page 70: Editing Neighbor Gatekeeper Settings

    Configuring the Built–in Gatekeeper In the Neighbor Prefix text box, enter the Zone Prefix if one is defined for this Neighbor Gatekeeper. For details on defining Zone Prefixes, see Services. In the Distance field enter the logical distance (between 0 and 255) between the gatekeeper you are defining and the current gatekeeper.
  • Page 71 Neighbor Gatekeepers From the Folders list box select the folder in which you want to save this file. By default, this is the same directory in which you installed the configuration software. In the File name field enter a file name. "*.nbr" is the default file extension for the Zone Definition Table.

  • Page 72: Network Topology

    Configuring the Built–in Gatekeeper Network Topology The Network Topology screen allows you to define clusters of IP subnets for the Gatekeeper that are characterized by homogenous and fast videoconferencing LAN connectivity. These IP clusters are called Islands, and they enable the built–in Gatekeeper to direct calls through the best routes, avoiding slow connections or bottlenecks.

  • Page 73: Figure 4-11 - Network Topology Table Screen

    Network Topology ! To display the Network Topology Table • In the Gatekeeper Application Parameters screen, click Network Topology. The Network Topology Table is displayed. Figure 4-11 – Network Topology Table screen The following parameters and settings are displayed in the Network Topology Table: Number of Entries —...

  • Page 74: Figure 4-12 - Subnet Parameters Screen

    Configuring the Built–in Gatekeeper Adding a New Subnet Address Figure 4-12 – Subnet Parameters screen ! To add a new subnet address to the Network Topology Table From the Network Topology Table screen, click Add. The Subnet Parameters screen is displayed. In the Subnet IP field enter the IP address of this subnet.

  • Page 75: Editing Subnet Setting

    Network Topology Editing Subnet Setting You can view and edit subnet settings. ! To edit the subnet settings Select the subnet you want to edit and click Edit. The Subnet Parameters screen is displayed. Make the changes and then click Ok to confirm and return to the Network Topology Table.

  • Page 76: Figure 4-13 - Network Control Screen

    Configuring the Built–in Gatekeeper From the File name list box select the file you want to load and click Ok. The file is loaded to the Network Topology Table. Network Control The Network Control screen allows you to configure additional parameters such as disabling the built-in Gatekeeper, characterizing endpoint registration, call management and bandwidth control.
  • Page 77 Network Control The Network Control screen contains the following areas, as described below: Read only parameters " Registration policy options " Built–in Gatekeeper settings " Network Resources used by H.323 traffic " Miscellaneous Network Control settings " The Network Control screen displays the following read only parameters: Ongoing Calls —...
  • Page 78 Configuring the Built–in Gatekeeper The following are the configurable built–in Gatekeeper Settings: GK On — This option allows you to enable or disable the built–in Gatekeeper. If you want to work with an external gatekeeper, clear this check box. If you are working with the built-in Gatekeeper, clearing this check box will disconnect all calls and unregister all terminals.

  • Page 79: Figure 4-14 - Advanced Settings Screen

    Factory Defaults — This button resets the Gatekeeper parameters to the factory configuration. It deletes configuration changes you made including settings concerning endpoints, neighbors, topology and services. It also disconnects all calls and resets the MCU-323. Use with care! Figure 4-14 – Advanced Settings screen 4-33...

  • Page 80: Disabling The Built–In Gatekeeper

    Disabling the Built–in Gatekeeper The built–in Gatekeeper is enabled by default. If you decide to work with an external gatekeeper, you must disable the built–in Gatekeeper for this MCU-323. ! To disable the Built–in Gatekeeper From the Network Control screen, clear the Accept Registration and Accept Calls check boxes.

  • Page 81: Distance Settings

    Network Control Distance Settings Distance settings give you control over endpoint dialing options between zones. Distance settings are arbitrary numbers that are chosen by you to designate a "logical distance" that defines the access rights between zones for different endpoints in relation to an origin point such as a particular gateway.

  • Page 82: Saving Or Loading Network Control Settings

    Configuring the Built–in Gatekeeper Click Add to define a new endpoint, or click Edit to edit an existing one. The Predefined Properties screen is displayed. If the endpoint is online and you want to set predefined properties for it, from the Online Properties screen that is displayed click Make Predefined to access the Predefined Properties screen.
  • Page 83 Supporting the H.323 Proxy This chapter describes how to configure the MCU-323 to support the Cisco H.323 Proxy. It covers the following topics: □ The H.323 Proxy □ Proxy Facilitated Call Flow □ Configuring Proxy support...

  • Page 85: The H.323 Proxy

    Quality of Service (QoS) for gateways that don't support QoS. The built–in Gatekeeper in RADVision devices such as the MCU-323 or the L2W–323P Gateway facilitates the use of the Cisco H.323 Proxy by enabling the Proxy to register with the Gatekeeper.

  • Page 86: Figure 5-1 - Obtaining Address Information Via Gk

    Supporting the H.323 Proxy Proxy Facilitated Call Flow The call flow described below is a typical example of how the Proxy is used to process a call. GK 1 GK 2 PROXY 1 PROXY 2 ENDPOINT 1 ENDPOINT 2 ZONE 1 ZONE 2 Figure 5-1 –...

  • Page 87: Figure 5-2 - Call Completion Facilitated By Proxies

    Proxy Facilitated Call Flow GK 1 GK 2 PROXY 1 PROXY 2 ENDPOINT 1 ENDPOINT 2 ZONE 1 ZONE 2 Figure 5-2 – Call Completion Facilitated by Proxies Proxy 1 asks Gatekeeper 1 for the address of Endpoint 2. Gatekeeper 1 instructs Proxy 1 to call Proxy 2. Proxy 1 calls Proxy 2.

  • Page 88: Configuring The Built–In Gatekeeper For Proxy Support

    Supporting the H.323 Proxy Configuring the Built–in Gatekeeper for Proxy Support To activate Proxy support, the Proxy must register with the RADVision built–in Gatekeeper. To enable Proxy registration with the Gatekeeper, you must: Set the built–in Gatekeeper to Direct Mode.
  • Page 89 Configuring the Built–in Gatekeeper for Proxy Support Call Indirect button Use Proxy for Unknown Zones " To set the Gatekeeper to Direct Call mode 1. In the Application Parameters screen of the Gatekeeper setup, click Network Control. The Network Control screen is displayed. 2.
  • Page 90 Supporting the H.323 Proxy " To define a Neighbor Gatekeeper for proxy support 1. In the Neighbor Gatekeeper Table, click Add. The Neighbor GK Parameters screen is displayed. 2. Enter the IP address and port number (default is 1719) of the neighbor gatekeeper in the Neighbor IP and Neighbor Port text boxes.
  • Page 91 Configuring the Unit You configure the unit by: □ Selecting the Unit Type: Single Station MCU-323, Distributed MCU-323, or Dedicated MP □ Accessing Unit Setup from the Configuration Source screen □ Configuring the Unit settings according to the Unit Type selected...

  • Page 93: Selecting The Unit Type And What You Want To Configure

    Unit Type you selected for further configuration instructions. Note When configuring a unit to function as an MCU-323 with a built–in Gatekeeper, the Gatekeeper must be configured prior to the MCU-323. Refer to Configuring the Built–in Gatekeeper for instructions.
  • Page 94 – – Configuring a Distributed Table/ MCU-323 MP Settings √ √ Services Definition – Configuring a Single Table/ Service Station MCU-323 and Settings Configuring a Distributed MCU-323 √ √ √ Miscellaneous Configuring a Single Settings Station MCU-323, Configuring a Distributed...

  • Page 95: Figure 6-1 - Unit Identifications Screen

    Configuring a Single Station MCU-323 Identification Information The Unit Identifications screen displays basic identification information for the MCU-323. All parameters except for Location are read-only. The system administrator can use the Location parameter for mapping the unit on a network.

  • Page 96: Date/Time Settings

    Configuring the Unit Description — Displays a description of the unit. Date/Time (button) — Displays the Date/Time Settings screen for adjusting the call time. Figure 6-2 – Date/Time Settings Date/Time Settings The Date/Time Settings screen displays the local time and date, and allows you to set the time and date displayed for a remote unit according to the Time Difference you enter.

  • Page 97: Figure 6-3 - Service Definition Table

    Editing, or Deleting Conferencing Services. Following is a description of each parameter displayed in the Services Definition Table. Number of Entries — A counter that displays the number of services currently defined in the Services Definition Table. Max Entries — Displays the total number of services you can define per MCU-323.
  • Page 98 Configuring the Unit Entry — Entry number in the Service Definition Table. Description — A text description of the service. Prefix — The prefix required to gain access to this conference type. Frame Rate — The maximum frame rate suggested for this service. Video Bit Rate —...

  • Page 99: Figure 6-4 - Service Settings Screen With Continuous Presence Enabled

    Configuring a Single Station MCU-323 Figure 6-4 – Service Settings screen with Continuous Presence enabled The Service Settings screen allows you to define new services or change the settings of existing services. Following is a description of the parameters of the Service Settings screen.

  • Page 100: Using The Advanced Commands

    (normally 64 Kbps). Valid values are from 0 to 1500, or ~ (tilde). When you set the video bit rate to ~, the MCU-323 dynamically adjusts the bandwidth according to the terminal with the lowest capability and ensures that other terminals do not exceed this bandwidth.
  • Page 101 T120 Enabled— Enables support for T.120 data sharing across the connection using an External T.120 Server, YES (enabled) or NO (disabled). When this feature is enabled, the Data Share button of the MCU-323 web interface is not available, see Using the Web Interface in see Using the MCU-323.

  • Page 102: Adding, Editing, Or Deleting Conferencing Services

    Configuring the Unit Linking a Conferencing Service to an MP. Continuous Presence — Enables the simultaneous display of up to four conference participants on the same screen. The following settings are available in the Continuous Presence list box: Disable – Select this to disable Continuous Presence. "...

  • Page 103: Figure 6-5 - Miscellaneous Settings Screen

    Default Gatekeeper IP — Enter the IP address of the Gatekeeper with which you want the MCU-323 to register. If you are using the built-in Gatekeeper, the IP address in this field is the same as for the MCU-323 unit. If you disable the built-in Gatekeeper, you must define an alternative gatekeeper IP address for the MCU-323.

  • Page 104: Figure 6-6 - Lan Port Settings

    G.723.1 or G.729A/B transcoding. Advanced — Displays the Advanced screen. To use the Advanced Commands, see Advanced Commands of the MCU-323. ! To define a default gatekeeper and router Enter the IP addresses in the Miscellaneous Settings screen as required, and click "...

  • Page 105: Figure 6-7 - Lan Parameters

    Configuring a Single Station MCU-323 IP Address — The IP address of the LAN port. IP Mask — The IP mask defines the portion of the IP address that is used for sub-network definitions. Description — A text description of the LAN port settings.

  • Page 106: Configuring A Distributed Mcu-323

    Gatekeeper, and an external gatekeeper must be used to administer the H.323 network. Most of the configuration of a Distributed MCU-323 is identical to that of a Single Station MCU-323. You will also have to: Create a list of associated MPs for the Distributed MCU-323 using the MP Definition "...

  • Page 107: Defining Mps For The Distributed Mcu-323

    Entry — Entry number in the MP Definition Table. When an MP Link address has been selected, the Distributed MCU-323 forwards calls first to the MP defined as entry number 1 and continues down the list of MPs in sequential order. When MP Link is defined as "None", calls are forwarded according to the Transcoding Priority specified in a service.

  • Page 108: Adding An Mp Entry

    MCU-323, make sure each MP is connected on a separate LAN segment. Status (Enable/Disable) — Allows you to enable or disable the availability of an MP. Select this check box to enable the MP. When disabled, the Distributed MCU-323 does not use this MP to process video and audio channels.

  • Page 109: Editing Mp Entries

    Defining Conferencing Services for the Distributed MCU-323 The Services Definition Table screen for the Distributed MCU-323 is the same as for the Single Station MCU-323 except for the MP Link parameter. For a description of the common parameters and how to define a service, see Defining Conferencing Services.

  • Page 110: Linking A Conferencing Service To An Mp

    New York (local) and in Tokyo (remote). When a call request originating in New York reaches the Distributed MCU-323, it selects the first available MP on its list to process the audio and video channels, according to the order in which the MPs were defined. This could mean that the Tokyo MP processes the video and audio streams of this call, resulting in an unnecessary use of network resources.
  • Page 111 Configuring a Distributed MCU-323 Figure 6-11 – Service Settings screen for a Distributed MCU-323 ! To link a service to a particular MP From the Services Definition Table, click Add or select an existing service and click Edit. The Service Settings screen is displayed.

  • Page 112: Defining A Default Gatekeeper And Router For A Distributed Mcu-323

    Default Gatekeeper IP — Enter the IP address of the gatekeeper with which you want the MCU-323 to register. If you are using the built-in Gatekeeper, the IP address in this field is the same as for the MCU-323 unit. If you disable the built-in Gatekeeper, you must define another gatekeeper IP address for the MCU-323.

  • Page 113: Lan Port Settings For A Distributed Mcu-323

    Configuring a Distributed MCU-323 LAN Port Settings for a Distributed MCU-323 The LAN Port Settings screen defines the LAN port (see Figure 6-6). The following are the available parameters: Port Number — Displays the port number. Enabled — Check this check box to enable the LAN port.

  • Page 114: Configuring A Dedicated Mp

    Configuring the Unit Configuring a Dedicated MP For the Distributed MCU-323 and its MPs to function properly, you must also configure the MCU-323 units defined in the MP Definition Table to function as Dedicated MP units. Note For better bandwidth utilization in the Distributed MCU-323 and its associated MPs, it is recommended that you connect each MP on a separate LAN segment.

  • Page 115: Defining A Default Router For A Dedicated Mp

    G.723.1 or G.729A/B transcoding in the current unit. Advanced (button) — Displays the Advanced screen. For information on using the advanced commands, see Advanced Commands of the MCU-323. ! To define a Default Router •...
  • Page 116 Configuring the Unit MAC Addr — Displays the Media Access Control address of this unit. IP Address — The IP address of the LAN port. IP Mask — The IP mask defines the portion of the IP address that is used for sub-network definitions.

  • Page 117: Saving The Unit Setup

    Use this screen to confirm changes to the Unit Setup and save the settings as configuration files on your local hard disk. Figure 6-13 – Save Setup for MCU-323 Parameters ! To save the Unit Setup settings to a file In the Save As box, type the name of the file you want to create or save settings to an existing file.
  • Page 118 Configuring the Unit Figure 6-14 – Confirm This screen uploads the new configuration to the MCU-323. These parameters become the Current settings the next time you access Unit Setup. 6-26...

  • Page 119: File Extensions For Saved Configuration Files

    Saving the Unit Setup File Extensions for Saved Configuration Files Unit Setup configuration settings are saved to your local hard disk in the RVCFG directory as a file named rvc3_00*.ini, where the asterisk (*) is the sequence number of the configuration file.

  • Page 121: Using The Mcu

    Joining a Conference □ Inviting a Participant Into a Conference □ Creating a Cascaded Conference □ Using the MCU-323 Web Interface □ Starting the Web Interface □ Monitoring a Conference from the Web Interface □ Opening a Data Collaboration Session □...

  • Page 123: Organizing A Conference

    If some users join the conference via gateways, they also need to know a gateway ISDN phone number. For a list of existing services and details on defining MCU-323 conferencing services see Defining Conferencing Services in Configuring the Unit .

  • Page 124: Creating A Cascaded Conference

    The individual conferences must have the same or similar video parameters. " When using Continuous Presence in a cascaded conference, only one MCU-323 in the " entire extended conference can be defined as a Master, and all other units must be configured as Slave.
  • Page 125 To initiate a conference and invite an MCU-323 whose conference ID is 74, dial: 641**741. Where 641 is the conference ID for the first MCU-323, "**" is the invite sign, and 741 is the conference ID for the invited MCU-323.

  • Page 126: Using The Web Interface

    Data Collaboration software compliant with Microsoft NetMeeting. " Microsoft Internet Explorer. " Starting the Web Interface Launch your browser. Type in the URL or IP address of the MCU-323 unit you want to monitor/control. The opening web page displays in your browser.

  • Page 127: Monitoring A Conference From The Web Interface

    The Participants Table page is divided into two frames: a left frame and a main frame. The left frame includes the function buttons and the main frame displays a list of conference participants, their phone numbers, terminal types and IP addresses, as they appear in the MCU-323.

  • Page 128: Function Buttons

    Using the MCU-323 Figure 7-2 – Participants Table Function Buttons Data Share — Opens a data collaboration session with the selected participant. It only appears when you select a participant that supports data collaboration and when External T.120 Server support is disabled (see Defining Conferencing Services for information on disabling the External T.120 Server support).
  • Page 129 Web Interface, the Last Name defined in the User Information of the terminal is displayed. A (**) next to participants indicates that they were invited into the conference using the Web Interface. If the MCU-323 cannot identify a participant’s name, “Unknown” is displayed instead.

  • Page 130: Opening A Data Collaboration Session

    Using the MCU-323 Opening a Data Collaboration Session If a participant’s Type column indicates that their terminal supports Microsoft NetMeeting, you can initiate a data collaboration session with it. Depending on the participant’s terminal type, NetMeeting may have to be activated before data collaboration can take place.

  • Page 131: Inviting Participants From The Web Interface

    Using the Web Interface Repeat steps 1 and 2 for all participants who have NetMeeting compliant terminals, and who you wish to include in the Data Collaboration session. Inviting Participants from the Web Interface The Invite function allows you to invite new participants into a conference. You can also invite other MCU-323s into a conference to create a cascaded conference.
  • Page 132 In the left frame click Invite. The Invite text box appears at the bottom of the left frame. In the Invite text box type the conference ID of the MCU-323 conference you want to add to a cascade. If the remote MCU-323 connects via gateways, type the gateway prefix for outgoing calls, the ISDN number of the remote gateway, and the conference Click Ok to confirm.

  • Page 133: Taking Chair Control Of A Conference

    If you are participating in the conference from the same PC as you are using to open the Web Interface, your own entry line in the web page is displayed in bold. The Chair Control button is replaced by a Chair Release button, and the RADVision logo on the left frame flashes occasionally.
  • Page 134 Lock/Unlock — Allows you to lock the conference video broadcast on one participant so that all participants see this participant only. If you close your browser without releasing Chair Control, the MCU-323 automatically " releases it after a period of three minutes. Once released, Chair Control is available upon request.

  • Page 135: Disconnecting A Participant

    Disconnecting a Participant Disconnecting a Participant The Disconnect feature is used to disconnect a participant from a conference. It can also be used to break up a cascaded conference into its component conferences. This is done by disconnecting the MCU-323s participating in the conference. A typical scenario for disconnecting a participant is having invited someone to join your conference without knowing whether the person is actually at the terminal.

  • Page 136: Locking The Conference To View One Participant

    Using the MCU-323 Locking the Conference to View One Participant The Lock function allows you to lock the conference video broadcast on a participant so that all others see the locked participant. The locked participant sees the last participant to speak.

  • Page 137: Overview

    From the Web Interface of the other MCU-323s participating in the cascaded conference, select and lock the MCU-323 that manages the conference of the locked participant. All the participants of the cascaded conference will see the locked participant.

  • Page 139: Configuration Checklist

    Using the T.120 Server This chapter describes the configuration of the MCU–323 to use the RADVision Data Collaboration Server. It includes: □ Overview □ Configuration Checklist □ Tips and Considerations...
  • Page 141 DCS–100 relieves the MCU-323 of the resource strain in processing T.120 data sharing requests. In addition, the DCS–100 allows the MCU-323 to control access for the data sharing application, while remaining transparent to the participants of a conference at their terminals.
  • Page 142 Using the T.120 Server Configuration Checklist For the MCU–323 to work properly with the DCS–100, ensure that the following has been configured: In the Miscellaneous Settings screen of the Unit Setup: Check the External T120 Server checkbox. Enter the T120 Server IP address. Enter the T120 Server Port number.
  • Page 143 Tips and Considerations In a cascaded conference, T.120 communication is not supported across the cascaded link. However, participants connected to the same MCU-323 unit can carry on a data collaboration session. At present, the Cisco H.323 Proxy does not support T.120 activation. A possible workaround is to configure the Proxy for "T.120 Bypass".

  • Page 145: Using The Advanced Commands Of The

    Using the Advanced Commands of the MCU-323 This chapter provides a list of Advanced Commands for the MCU–323 and instructs you in their use. □ Overview □ Using the Advanced Commands...
  • Page 147 The Advanced Command syntax consists of a word or sequence of words with no spaces, followed by an optional “:” (colon) and a parameter. When you do not enter a parameter, most of the Advanced Commands display the current setting for the MCU-323. Advanced Commands are not case sensitive.
  • Page 148 Enter a command from the list below into the Command text box. Click Send. The command you entered is relayed to the MCU-323. The MCU-323 acts upon this command and sends a response to verify that a valid command was entered. The response is displayed in the Response field of the Advanced screen.
  • Page 149 Register:XXX No parameter — Displays the IP address of the Gatekeeper to which the MCU-323 is Displays the IP address of the Gatekeeper the registered. MCU-323 is registered with or registers the MCU-323 with another Gatekeeper.
  • Page 150 Additional advanced commands may be available for different versions of the MCU-323. Contact RADVision Technical Support at HWsupport@tlv.radvision.com or OnLANsupport@radvision.com for additional information.

  • Page 151: Led Indications

    Troubleshooting the MCU-323 In this chapter: □ LED Indications □ Initial Setup Problems □ Operation Tips...

  • Page 153: Console Port Access Problems

    LED Indications The Power LED does not light This indicates that the MCU-323 is not properly connected to the power source. Make sure the power cable is firmly connected to the MCU-323 and to the power outlet. The Link LED of a connected LAN port does not light This indicates that the LAN port is not connected to the network segment.

  • Page 154: Operation Tips

    To avoid confusion when LAN endpoint phone numbers begin with the same numeric string as service prefixes. You can modify the prefixes in the Gatekeeper and MCU-323 Services Definition Table so that they are unique within the zone.
  • Page 155 Safety Considerations...

  • Page 157: High Voltage

    Safety Considerations To avoid getting an electric shock, and to avoid damaging the MCU-323, servicing the MCU-323 should be performed by qualified technical personnel only. Grounding Before connecting the MCU-323 to the power line, the unit’s protective earth terminals must be connected to the protective conductor of the power cord. The power plug should only be inserted into a power outlet that has a protective earth contact.
  • Page 159 Cable Connectors...

  • Page 161: Rs-232 9-Pin Serial Port

    The following table describes the various pins of the RS-232 9-pin Serial Port: Function Input Output Null Modem Cable Modem 9-pin Male RS-232 Connector MCU-323 25-pin Male RS-232 Connector 9-pin Female RS-232 Connector Figure B-1 – Null modem cable connectors...

  • Page 162: Rj-45 8-Pin Lan Port

    RJ-45 8-pin LAN Port The following table describes the various pins of the RJ-45 LAN Port: Function TXD+ Output TXD+ Output RXD+ Input RXD- Input...

  • Page 163: Uploading Files To The

    Uploading Files to the MCU-323...

  • Page 165: Using The Software Upload Utility

    Using the Software Upload Utility The MCU-323 stores the operating software in its onboard Flash memory. Use the Software Upload Utility to upload flash files to the MCU-323 and update or upgrade the software modules. Note The Software Upload Utility serves other RADVision OnLAN units as well. You only need to install it once on your local PC for all OnLAN units.
  • Page 166 Uploading Files to the MCU-323 Figure C-1 – Software Upload Utility screen...

  • Page 167: Uploading Flash Files To The Mcu-323

    Uploading Flash Files to the MCU-323 ! To upload a file to the MCU-323 In the IP: text box type the IP address of the MCU-323 to which you want to upload the file. Enter your User Name and Password in the text boxes provided.
  • Page 169 Technical Specifications...

  • Page 171: Interfaces

    Interfaces LAN: 10/100BASE-T Ethernet LAN UTP connection. LED Indicators Power Test Function LAN/Link Dimensions Height: 4.3 cm (1U or 1.75 in.) Width: 43.2 cm (17.0 in.) Weight: 2.5 Kg (5.5 lbs.) The unit is rack mountable in a standard 19-inch rack Power Supply 100-240 VAC auto sense, 50/60 Hz Environment...
  • Page 173 Glossary 10Base-T The IEEE 802.3 standard for Ethernet local area network system at rates of up to 10 Mbps. 10/100Base–T Combines support for 10 Mbps Ethernet, and 100 Mbps Fast Ethernet (IEEE 802.3u) 1B Call A voice or video call that uses only one B channel of an ISDN line. 2B call A video call that uses 2B channels of an ISDN line.
  • Page 174 The RADVision MCU-323 achieves this by combining four QCIF images into one CIF image. Dedicated MCU-323 The Dedicated MCU-323 is an MCU-323 device defined as an MP and controlled by a Distributed MCU-323. Distributed MCU-323 A Distributed MCU-323 is an MCU-323 device defined as an MC, controlling up to four MP's, including the MP section housed in the same box as the Distributed MCU-323 unit.
  • Page 175 Glossary G.729 A/B An ITU standard for speech codecs that provides near toll quality audio at 8 Kbps using the CS–ACELP method. G.729 Annex A is a reduced complexity codec and G.729 Annex B supports silence suppression and comfort-noise generation. Gatekeeper The gatekeeper is an H.323 entity that provides address resolution, access control and other services to endpoints on an H.323 network.
  • Page 176 Mega Bits Per Second. One million bits per second. Used to define data transfer bit–rates. Multipoint Controller – a unit that performs control functions for a multipoint videoconference. MCU–323 Multipoint Conferencing Unit – a RADVision device that performs the tasks of an MC and an MP, and has a built–in Gatekeeper unit.
  • Page 177 Glossary Multipoint Processor – a unit that performs the call processing tasks for a multipoint videoconference. Multicast In packet-switched networks, the data is sent to multiple users connected to the network or network segment. Multicast is a one-to-many transmission similar to broadcasting, except that multicasting implies sending to a list of specific users, whereas broadcasting implies sending to everybody.
  • Page 178 Glossary Registration Admission Status protocol. The communication protocol used to convey registration, admission and status messages between H.323 endpoints and the Gatekeeper. Restricted Bandwidth Bandwidth rates that use seven bit encoding as opposed to eight bit encoding. Restricted rates are multiples of 56 Kbps, compared to standard rates that are multiples of 64 Kbps. RJ-45 Registered Jack-45.
  • Page 179 When a V.35 module is installed in the Gateway, the Gateway connects to an IMUX, Modem or Terminal Adapter to provide rates of up to 384Kbps. VIU-323 RADVision’s Video Interface Unit is a self-contained terminal adapter that connects H.320 Room Systems to IP networks without disrupting the current H.320 capabilities of the Room System.
  • Page 181 ∙ 7-8 Proxy support ∙ 5-4 summary of features ∙ 1-12 overview ∙ 1-4 Data Collaboration Server ∙ See RADVision DCS–100 Date and time settings ∙ See OnLAN Configure Dedicated MP ∙ See also MP Cables configuring ∙ 6-22 connecting ∙...
  • Page 182 Supported Services screen ∙ 4-18 Max. Distance ∙ 4-13, 4-36 GK Identifier ∙ 4-34 Multicast Distance ∙ 4-34, 4-36 Neighbor Distance ∙ 4-24, 4-36 Distributed MCU-323 conferencing services ∙ 6-17 configuring ∙ 6-14 H.323 Proxy defining MPs ∙ 6-15 call flow description ∙ 5-2 LAN port settings ∙...
  • Page 183 ∙ 3-3 MP definition table select unit screen ∙ 3-1 adding an entry ∙ 6-16 selecting an MCU-323 to configure ∙ 3-1 editing an entry ∙ 6-17 selecting unit type ∙ 3-6 Multicast Distance ∙ 4-34 services definition table ∙ 6-5 starting ∙...
  • Page 184 Unit type defining for a terminal ∙ 4-5 selecting ∙ 3-6 defining in the Unit Configuration ∙ 6-5 Uploading files to MCU-323 ∙ C-3. See prefix ∙ 4-4 also Software Upload Utility supported by an endpoint ∙ 4-18 Use Proxy for unknown zones Services definition table configuring ∙...
  • Page 185 Videoconference starting ∙ 7-4 cascaded, setting up ∙ 7-2 using ∙ 7-4 inviting participants ∙ 7-1 joining ∙ 7-1 monitoring ∙ 7-5 organizing ∙ 7-1 Voice activated video switching Zone overview ∙ 1-3 controlling access to ∙ 4-8 Open Zone mode ∙ 4-8 Strict Zone mode ∙...

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