Cisco ISDN GW 3241 Manuale Utente

Codian Video ConferencingFamily Guide for Administrators

Introduction4 Chapter 11‚ “Using a gatekeeper” discusses using a gatekeeper with any of our products and how you register a unit with a gatekeeper C

5Chapter 2 Video conferencing todayIntroductionVideo conferencing was first introduced in the 1960s but early systems were unreliable and difficult to

Video conferencing today6 H.323 TerminalThe terminal is an endpoint on a network which provides for real-time, two-way communications. A terminal may

Video conferencing today7Session Initiation Protocol (SIP) is a newer protocol, and an alternative to H.323. It is a simple signaling protocol for Int

Video conferencing today8

9Chapter 3 The Codian video conferencing familyIntroductionCodian produce a variety of units for video conferencing: MCU 4200 series of multipoint co

The Codian video conferencing family10The MCU is available in a number of models:Features and benefits of the MCU 4200 series include: Conference sch

The Codian video conferencing family11IP VCR 2200 seriesThe IP VCR 2200 series is a digital video recorder for video conferencing, allowing video, aud

The Codian video conferencing family12Gateway 3200 SeriesThe ISDN GW 3200 series is a high performance video gateway that permits calls from IP endpoi

13Chapter 4 Different video conferencing scenariosIntroductionVideo conferencing can take place in quite simple scenarios and in very large and comple

Copyright © Codian 2006. All rights reserved. This guide may not be copied, photocopied, translated, reproduced, or converted into any electronic or m

Different video conferencing scenarios14Simple scenariosMCU with three or more endpointsFigure 4: MCU with three or more endpointsThis is the simplest

Different video conferencing scenarios15Sharing data with the MCU and two or more endpointsIn this scenario two or more endpoints can be holding a vid

Different video conferencing scenarios16IP VCR recording a call or playing back a recording on an endpointAn endpoint calls in to the IP VCR and selec

Different video conferencing scenarios17Figure 7: IP VCR recording a call or playing back a recording Equally, recordings can be played back:  The IP

Different video conferencing scenarios18Figure 8: Sharing data with the IP VCR Recording a conference with an MCU, IP VCR and two or more endpointsThe

Different video conferencing scenarios19ISDN GW and an ISDN endpoint video conferencingThe ISDN gateway is a protocol converter that allows calls betw

Different video conferencing scenarios20Figure 12: ISDN endpoints in a conferencePSTN telephones (including mobile phones) can join the conference as

Different video conferencing scenarios21Video conferencing with a gatekeeperAll Codian units can use a gatekeeper. A unit registers with the gatekeepe

Different video conferencing scenarios22Figure 15: MCU or IP VCR with a gatekeeper and two or more endpointsISDN GW with a gatekeeper and IP and ISDN

Different video conferencing scenarios23The Codian MCU and IP VCR allow you to define a gateway and this H.323 gateway definition is used to direct an

iChapter 1 Introduction ... 1

Different video conferencing scenarios24

25Chapter 5 First stepsIntroductionWhen your unit is delivered, it is activated and ready to be connected and used straight away. Follow the steps in

First steps26Setting an administrator passwordWhen a unit is delivered the admin user account has no password. However, this is insecure and you shoul

First steps27 IP VCR: if you have users who need to upload recordings, configure active connections or change settings, they will need a user account

First steps28Enabling port reservation prevents:  the Create new conference option being displayed, even on auto attendants that are set up to have t

First steps29By default, all active conferences are displayed on the default auto attendant - the auto attendant that the MCU is delivered with. Alter

First steps30Customizing the auto attendant bannerYou can add a custom banner image to any auto attendant configured on the MCU or IP VCR. The banner

First steps31 Web interface: this is the main administrator interface for configuring and managing all the units. Simply open a web browser and type

First steps32

33Chapter 6 MCU administrationIntroductionThis chapter covers general administrator tasks specific to the MCU.Conferencing considerationsUnit-wide set

iiMCU specific user fields ...27Port reservati

MCU administration34 Completed conferences: scheduled conferences that have finished and are not scheduled to repeatSee the online help topic “Displa

MCU administration35Advantages of pre-configured endpointsYou can configure endpoints and then when you configure a conference, select one or more of

MCU administration36 Make all participants see this view when they join the conferenceAlso see the online help topic “Understanding how participants

MCU administration37Summary information iconClick the Summary information icon to display details about a conference that has been selected in the

MCU administration38The ability to define how to access a gateway should not to be confused with our ISDN Gateway which is a protocol converter as wel

MCU administration39Using the MCU with a gatekeeperYou can configure the MCU to use a gatekeeper, which can make it easier for participants to join a

MCU administration40

41Chapter 7 IP VCR administrationIntroductionThis chapter covers general administrator tasks that are unique to the IP VCR.Making recordingsRecordings

IP VCR administration42There are additional settings in Settings > Recording such as whether recordings loop back to the beginning when they finish

IP VCR administration43Summary information iconClick the Summary information icon to display details about a recording that has been selected in th

iiiTransferring by re-recording ...43Using the IP VCR w

IP VCR administration44Using the IP VCR with a gatekeeperYou can configure the IP VCR to use a gatekeeper, which can make it easier for end-users to w

45Chapter 8 ISDN gateway administrationIntroductionThis chapter covers general administrator tasks specific to the ISDN gateway.Installing the ISDN ga

ISDN gateway administration46supporting examples in the online help: see the online help topics “Understanding the dial plan”, “Example dial plan rule

ISDN gateway administration47Allocating bandwidth for ISDN to IP callsYou can configure the dial plan to limit the bandwidth available for incoming IS

ISDN gateway administration48or partly as a voice-only gateway: where incoming ISDN video-conferencing calls are allowed, but outgoing ISDN calls are

49Chapter 9 Using dataIntroductionFor each conference you can use an additional video channel known as the content channel which uses the H.239 protoc

Using data50 The ISDN Gateway will pass a content channel without configuration, however if you experience network problems you can fine tune the H.2

Using data51Whether this happens or not is controlled by two icons that are displayed in the row for an active participant in a conference. Go to Conf

Using data52

53Chapter 10 Streaming (MCU and IP VCR)IntroductionBoth the MCU and the IP VCR support streaming on RealPlayer™ or QuickTime™ via web browsers or stan

ivWorking with third party firewalls ...65Chapter 13 Ca

Streaming (MCU and IP VCR)54Each conference also has a setting for streaming which is only applicable if the MCU as a whole has streaming enabled. If

Streaming (MCU and IP VCR)55Web conferencing optionThe web conferencing option allows streaming viewers to take part in H.239-enabled conferences. Go

Streaming (MCU and IP VCR)56To clear all the drawing and text on the content channel, click the Clear mark-up button. This will remove all the mark-up

57Chapter 11 Using a gatekeeperWhy use a gatekeeperYou can use a gatekeeper with an MCU, IP VCR or ISDN Gateway. A gatekeeper allows you to: Dial end

Using a gatekeeper58Service and dial plan prefixesService prefixes (MCU and IP VCR) and dial plan prefixes (ISDN Gateway) have the same purpose. They

Using a gatekeeper59Dial-in conference matchingWhen a participant dials in the called party number (CPN) is compared with all active conference IDs, a

Using a gatekeeper60

61Chapter 12 Using firewallsIntroductionThis chapter describes the Codian video firewall solution and how it is implemented. It also provides some inf

Using firewalls62Figure 19: The video firewall solutionThe unit (MCU or IP VCR) does not behave as a router, bridge, or switch; no packets can ever pa

Using firewalls63Configuring the video firewallTo configure the video firewall takes a number of steps.1 First activate the video firewall feature. (T

1Chapter 1 IntroductionThis guideCodian designs and manufactures the most advanced video conferencing products available in the market today, bringing

Using firewalls64Figure 20: An example configuration of a video firewall.Table 3: Example configuration for the video firewall solutionField Example

Using firewalls65Working with third party firewallsIf you do not use the Codian video firewall solution and you have video conferencing users outside

Using firewalls66 Some firewalls have a H.323 timeout setting. You must ensure that this is sufficient for the conferences that will be taking place

67Chapter 13 Call detail records (MCU-only)IntroductionThe MCU can generate Call Detail Records (CDRs) which can be used for auditing and billing purp

Call detail records (MCU-only)68

69Chapter 14 General housekeepingIntroductionThere are a number of tasks that you may need to perform from time to time on your Codian units. These ar

General housekeeping70are not for everyday administration and you are advised not to change any log settings except on the advice of Codian technical

General housekeeping71Backing up the configuration fileYou can back up and restore the configuration of your Codian unit. You may want to take a backu

General housekeeping72

73IndexSymbols.codian file format for recordings 43Numerics4CIF feature key 36AActivating optional features 70Active conferences 33Ad hoc conferences

Introduction2However, if you still have a question about our products, send an email detailing the problem to our technical support team at support@co

74Feature keys 704CIF 36video firewall 61Firewallconfiguring the video firewall 63third party firewalls 65video conferencing using a firewall and H.32

75video size 41ISDN GW 3200 series 6, 12active calls statistics 48backing up a configuration file 71benefits and features 12conferencing with ISDN and

76displaying participant statistics 39Permanent vs. time limited conferences 34PINconference PIN 36Point-to-point calls 44, 58Port allocationstreaming

77MCU sharing data with endpoints 15MCU streaming to a web browser 14MCU with three endpoints 14point-to-point call 21video conferencing using a firew

Introduction3Figure 2: Conferences and click Add new conferenceChapters in this guideThe Codian Guide for Administrators has the following chapters: