TANDBERG VCS Administrator'S Manual Download Page 134

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134

D14049.04
JULY 2008

Grey Headline

(continued)

This section describes the pages that appear under the

Local Zone

and

Bandwidth

sub-menus of the

VCS Configuration

menu in the web interface.

These pages allow you to control the bandwidth that is used for calls within your local
zone, as well as calls out to other zones.

Bandwidth Control

TANDBERG

VIDEO COMMUNICATIONS SERVER

ADMINISTRATOR GUIDE

Introduction

Getting Started

Overview and

Status

System

Configuration

VCS

Configuration

Zones and

Neighbors

Call

Processing

Bandwidth

Control

Firewall

Traversal

Appendices

Applications

Maintenance

Summary of Contents for VCS

Page 1: ...rver ADMINISTRATOR GUIDE Version X3 0 July 2008 Introduction Getting Started Overview and Status System Configuration VCS Configuration Zones and Neighbors Call Processing Bandwidth Control Firewall T...

Page 2: ...Default Administrator Password 23 Root Account 23 Administrator Session Timeout 23 Security Considerations 23 Web Interface 24 Using the Web Interface 24 Supported Browsers 24 General page features 2...

Page 3: ...verview 54 About the System Name 54 About Administrator Access settings 54 Configuration 54 Ethernet 55 Overview 55 About Ethernet Speed 55 Configuration 55 IP 56 Overview 56 About IPv4 to IPv6 Gatewa...

Page 4: ...ation 79 Attempts to Register using an Existing Alias 79 H 323 79 SIP 79 Allow and Deny Lists 80 About Allow and Deny Lists 80 Patterns and Pattern Types 80 Removing existing registrations 80 Activati...

Page 5: ...w of Searches and Transforms 106 About Searches 106 About Transforms 106 Pre Search Transforms 106 About Pre Search Transforms 106 Pre Search Transform Process 106 Configuring Pre Search Transforms 10...

Page 6: ...Number 132 Call Tag 132 Obtaining Call Numbers via the CLI 132 Disconnecting Calls 133 Obtaining the Call ID via the Web UI 133 Disconnecting a Call via the Web Interface 133 Disconnecting a Call via...

Page 7: ...Traversal Server Zone 158 Configuring a Traversal Server Zone 159 Configuring Traversal for Endpoints 160 Overview 160 Configuring Traversal Server Ports 161 Overview 161 STUN Services 162 About STUN...

Page 8: ...Keys 177 Installing and Restarting 177 Upgrading Using SCP PSCP 177 Upgrading via the Web Interface 178 Downgrading Software 180 Downgrade Procedure 180 Prerequisites 180 Backing up current configurat...

Page 9: ...verview 203 Valid Variable Strings 203 VCS Port Reference 204 Overview 204 VCS Ports 204 DNS Configuration 207 Overview 207 Verifying the SRV Record 207 Microsoft DNS Server 207 BIND 8 9 207 LDAP Conf...

Page 10: ...dberg com collateral documentation User_Manuals TANDBERG VCS EULA pdf and http www tandberg com collateral documentation User_Manuals TANDBERG VCS Copyrights pdf IMPORTANT USE OF THIS PRODUCT IS SUBJE...

Page 11: ...tempt to connect mains power or any other power source before consulting service personnel The plug connecting the power cord to the product power supply serves as the main disconnect device for this...

Page 12: ...e the appropriate take back systems in your area Those systems will reuse or recycle most of the materials of your end of life equipment in a sound way TANDBERG products put on the market after August...

Page 13: ...Zones and Neighbors Call Processing Bandwidth Control Firewall Traversal Appendices Applications Maintenance Environmental Issues 12 TANDBERG CONTENT SERVER USER GUIDE Table of Contents What s New in...

Page 14: ...either the Control application or the Expressway application with various optional packages including FindMe and Dual Network Interfaces Overview TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GU...

Page 15: ...deployed within your wide area network with endpoints that are behind the same firewalls or NAT devices The VCS Control replaces the need to have separate H 323 gatekeeper SIP registrar and H 323 SIP...

Page 16: ...downspeeding option for calls that exceed the available bandwidth URI and ENUM dialing via DNS enabling global connectivity Up to 2500 registrations Up to 500 non traversal calls Up to 100 traversal c...

Page 17: ...e VCS configuration made via the web UI including the name of the user who made the change Intelligent Route Director The addition of Local Zone matches to the zone search process means that it is now...

Page 18: ...terface are shown in the format Menu Submenu followed by the Name of the page that you will be taken to In most cases a screenshot of the page will be shown adjacent with callouts describing each of t...

Page 19: ...tor settings and describes how to access the VCS via either the Command Line Interface CLI or the web interface Getting Started TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Introduction Ge...

Page 20: ...y Do not place heavy objects directly on top of the VCS Do not place hot objects directly on top or directly beneath the VCS Use a grounded AC power outlet for the VCS Connecting the Cables Power cabl...

Page 21: ...owing The system name of the VCS This is used by the TANDBERG Management Suite TMS to identify the system See About the System Name for more information Automatic discovery If you have multiple VCSs i...

Page 22: ...o produce the cursor Use the up down keys to move left and right between the digits of the number When you reach a digit you wish to change press ENTER Use UP DOWN to increase or decrease the digit va...

Page 23: ...inutes of inactivity The timeout period will apply to all Administrator sessions using both the Web Interface and the Command Line Interface To set the timeout period System Configuration System You w...

Page 24: ...id administration 3 username and password and select Login You will be presented with the Overview page When logging in via the VCS web interface you may receive a warning message regarding the VCS s...

Page 25: ...formation icon or click inside a field This box gives you information about the particular field including where applicable the valid ranges and default value To close the information box click on the...

Page 26: ...e commands provide historical information about calls and registrations xFeedback These commands provide information about events as they happen such as calls and registrations See the Command Referen...

Page 27: ...b interface These pages provide information on the current status and configuration of the VCS Overview and Status TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Introduction Getting Started...

Page 28: ...ion The version of software that is currently installed on the VCS IPv4 address The VCS s IPv4 address es Viewing the Overview Page Understanding the Overview Page Options The maximum number of calls...

Page 29: ...S Software release The version of software that is currently installed on the VCS Software build The build number of this software version Software options All the extra features installed on the VCS...

Page 30: ...ey has been installed this will show the ethernet speed for both the LAN1 port and the LAN2 port MAC address The MAC address of the VCS s ethernet device If the Dual Network Interfaces option key has...

Page 31: ...It will communicate with other systems via IPv6 only Both The VCS will accept registrations from endpoints using either an IPv4 or IPv6 address and will take calls using either protocol If a call is...

Page 32: ...d Non traversal calls Current The number of non traversal calls going through the VCS at this moment Max peak The highest number of concurrent non traversal calls handled by the VCS since it was last...

Page 33: ...t which the registration was accepted If an NTP server has not been configured this will say Time not set IP Address For H 323 devices this is the RAS address For SIP UAs it is the Contact address pre...

Page 34: ...registrations enter one or more characters in the Filter field and select Filter Only those registrations that contain in any of the displayed fields the string you entered will be shown To return to...

Page 35: ...vices on the VCS Refer to the Viewing Presence Status section for a full explanation of the information on these pages Viewing the Presence Status Pages TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRA...

Page 36: ...s of this call Filter To limit the list of calls enter one or more characters in the Filter field and select Filter Only those calls that contain in any of the displayed fields the characters you ente...

Page 37: ...ions Click View to go to the Call Details page which lists full details of this call Filter To limit the list of calls enter one or more characters in the Filter field and select Filter Only those cal...

Page 38: ...racters in the Filter field and select Filter Only those calls that contain in any of the displayed fields the characters you entered will be shown To return to the full list of calls click Reset For...

Page 39: ...onfiguration page for that subzone To configure the subzone click on the subzone name Bandwidth Used The total amount of bandwidth used by all calls passing through each subzone Calls The number of ca...

Page 40: ...nes that you have created To view the Zones page Status Zones Viewing the Zones Page Name The names of each zone currently configured on this VCS Type The type of zone See About Zones for a full descr...

Page 41: ...status page gives you an overview of all the links currently configured on your VCS along with the number of calls and the bandwidth being used by each link To view the Links status page Status Links...

Page 42: ...aversing each pipe Viewing the Pipes Page The Pipes page provides a list of all the pipes currently configured on your VCS along with the number of calls and the bandwidth being used by each pipe To v...

Page 43: ...sting client address and port and the corresponding VCS address and port To view the STUN Relays page Status STUN Relays Expiry Time The date and time at which the STUN Relay will become inactive STUN...

Page 44: ...o view the Applications page Status Applications Applications All Applications that are installed on the VCS are shown on the left Their current status is shown on the right TANDBERG VIDEO COMMUNICATI...

Page 45: ...rnings in place on the VCS a warning icon will appear at the top right of the page To view the Warnings page either click on the icon Status Warnings System Warning This icon appears on the top right...

Page 46: ...erlink to show only those events that contain the same text string For example clicking on the text that appears after Event will filter the list to show all the events of that particular type Likewis...

Page 47: ...ude tvcs for all messages originating from TANDBERG VCS processes web for all web login and configuration events but will differ for messages from third party processes which are used in the VCS produ...

Page 48: ...as been authenticated successfully Method SIP method INVITE BYE UPDATE REGISTER SUBSCRIBE etc Contact Contact header from REGISTER AOR Address of record Call Id The Call ID header field uniquely ident...

Page 49: ...1 Call Rejected A call has been rejected The Reason event parameter contains a textual representation of the H 225 additional cause code 1 Completed System Backup A system backup has completed 1 Comp...

Page 50: ...tration Accepted A registration request has been accepted 1 Registration Refresh Accepted A request to refresh or keep a registration alive has been accepted 3 Registration Refresh Rejected A request...

Page 51: ...down 1 System snapshot started A system snapshot has been initiated 1 System snapshot completed A system snapshot has completed 1 System Start The operating system has started 1 TLS Negotiation Error...

Page 52: ...ose events relating to that particular administration account To return to the complete Configuration Log listing click Reset Types of Configuration Events Administrator sessions Will be one of the fo...

Page 53: ...tion to the network in which it is located for example its IP settings and the external services used by the VCS e g DNS NTP and SNMP System Configuration TANDBERG VIDEO COMMUNICATIONS SERVER ADMINIST...

Page 54: ...her the VCS can be accessed via SSH and SCP About Administrator Access settings While it is possible to administer the TANDBERG VCS via a PC connected directly to the unit via a serial cable you may w...

Page 55: ...ngs between the VCS and ethernet switch will at best result in packet loss at worst it will make the system inaccessible for endpoints and system administrators Ethernet speed Sets the speed of the co...

Page 56: ...IPv6 gateway are traversal calls They will therefore require a traversal call licence Some endpoints support both IPv4 and IPv6 however an endpoint can use only one protocol when registering with the...

Page 57: ...allows you to have a secondary IP address for your VCS This configuration is intended for high security deployments where the VCS is located in a DMZ between two separate firewalls on separate networ...

Page 58: ...ueried when resolving domain names Domain name Specifies the name to be appended to an unqualified server address before a query to the DNS server is executed Configuration Overview About DNS Servers...

Page 59: ...rmine the local time to be used on your system by configuring the Time Zone This takes the UTC time and offsets it by the number of hours specified by the selected time zone to make the local time The...

Page 60: ...VCS does not support SNMP traps or SNMP sets therefore it cannot be managed via SNMP To configure the VCS s SNMP settings System Configuration SNMP You will be taken to the SNMP page xConfiguration S...

Page 61: ...lic external management SystemManagementService asmx To configure the VCS s External Manager settings System Configuration External Manager You will be taken to the External Manager page xConfiguratio...

Page 62: ...cannot be another VCS Save Click here to save your changes About Logging The VCS provides an event logging facility for troubleshooting and auditing purposes The event log records information about su...

Page 63: ...received H 323 LDAP etc excluding noisy messages such as H 460 18 keepalives and H 245 video fast updates Level 3 All Level 1 and Level 2 Events plus Protocol keepalives Level 4 All Level 1 Level 2 an...

Page 64: ...and the H 323 configuration options available on the VC S an overview of SIP and the SIP configuration options available on the VCS how to configure the VCS to act as a SIP to H 323 gateway how to co...

Page 65: ...tion from the endpoint within the specified period it will send an IRQ to the endpoint to verify that it is still functioning The system will poll endpoints in a call regardless of whether the call ty...

Page 66: ...to register an alias currently registered from another IP address Reject denies the registration Overwrite deletes the original registration and replaces it with the new registration The default is Re...

Page 67: ...tration Proxy Mode setting as follows Off the VCS will not proxy any registration requests The request will be rejected with a 403 Forbidden message Proxy to Known Only the VCS will proxy the registra...

Page 68: ...n any call to that endpoint The information is usually required in situations where firewalls exist and the media must follow a specified path in order to successfully traverse the firewall For more i...

Page 69: ...luding traversal clients and traversal servers Proxy to any Registration requests and invite requests will always be proxied UDP mode Determines whether or not incoming SIP calls using the UDP protoco...

Page 70: ...Enter the domain in the Name field and click Create Domain The new domain will be added and you will be returned to the Domains page To edit the name of an existing domain click View Edit You will be...

Page 71: ...s are configured via VCS Configuration Protocols Interworking You will be taken to the Interworking page xConfiguration Interworking Mod e H 323 SIP interworking mode Determines whether or not the VCS...

Page 72: ...gin with that prefix to the gateway MCU or Content Server as appropriate These prefixes can also be used to control registrations SIP devices cannot register prefixes If your dial plan dictates that a...

Page 73: ...the IP address or FQDN of the Registrar with which they wish to register and the endpoint will attempt to register with that Registrar only The VCS is a SIP Server for endpoints in its local zone and...

Page 74: ...it first On For H 323 any credentials in the message are checked against the authentication database The message is allowed if the credentials match or if there are no credentials in the message For...

Page 75: ...Additionally traversal clients must always successfully authenticate with traversal servers before they can connect The username and password that your VCS provides when authenticating with other syst...

Page 76: ...alias but none are listed in the LDAP database it will not be allowed to register If no aliases are presented by the endpoint it will be registered with all the aliases listed in the LDAP database for...

Page 77: ...s username will be used those presented by the endpoint will be ignored Endpoint The aliases presented by the endpoint will be used any in the LDAP database will be ignored Combined The endpoint will...

Page 78: ...e Credential to add the new entry to the Local Database and return to the Credentials page Save Saves the changes you have made Delete Removes the entry from the Local Database and returns you to the...

Page 79: ...dy been registered from another IP address Reject The registration from the new IP address will be rejected This is useful if your priority is to prevent two users registering with the same alias Over...

Page 80: ...List are a combination of Pattern and Type The Pattern specifies the string to be matched the Type determines whether that string must match the Pattern exactly Exact must appear at the start of the a...

Page 81: ...ry and return to the Registration Allow List page Type Select the way in which the Pattern must match the alias for the registration to be allowed Options are Exact the alias must match the Pattern ex...

Page 82: ...to make changes to an existing entry You will be taken to the Edit Deny Pattern page Delete Select Delete to remove the registration from the list Pattern Edit the pattern Type Edit the type You can s...

Page 83: ...of subzones including the Traversal Subzone and Default Subzone create and configure external zone s to communicate with other systems and endpoints including other VCSs Gatekeepers Border Controllers...

Page 84: ...sed by and between different parts of your network This section will give you an overview of the different parts of the video communications network and the ways in which they can be connected This in...

Page 85: ...exist for the purposes of bandwidth management Once you have set up your subzones you can apply bandwidth limits to individual calls between two endpoints within the subzone individual calls between...

Page 86: ...eptual subzone no endpoints can be registered to it but all traversal calls i e calls for which the VCS is taking the media in addition to the signaling will pass through it The Traversal Subzone exis...

Page 87: ...al server the VCS Expressway must have a special type of two way neighbor relationship with each traversal client To do this you create a traversal server zone on your local VCS Expressway and configu...

Page 88: ...configured with the Default Zone and default links between it and both the Default Subzone and the Traversal Subzone The purpose of the Default Zone is to allow you to manage incoming calls from unre...

Page 89: ...name acts as a unique identifier allowing you to distinguish between zones of the same type Type From the Type drop down menu select the type of zone you wish to add Neighbor the new zone will be a co...

Page 90: ...r more information This field specifies the hop count to be used when sending an alias search request to this particular zone Name Assigns a name to the zone The name acts as a unique identifier allow...

Page 91: ...e VCS receives a SIP search that originated as an H 323 search destined for this zone The default is Off Off a SIP OPTION message will be sent to the zone On searches will be responded to automaticall...

Page 92: ...the traversal server to be used for SIP calls to and from the VCS Retry interval Specifies the interval in seconds with which a failed attempt to establish a connection to the traversal server should...

Page 93: ...Determines the protocol Assent or H 460 18 to be used to traverse the firewall NAT See Firewall Traversal Protocols for more information H 460 19 demultiplexing Mode Determines whether or not the sam...

Page 94: ...Firewall Traversal Appendices Applications Maintenance Zones DNS suffix Specifies the domain to be appended to the transformed E 164 number to create an ENUM domain for which this zone is queried Con...

Page 95: ...such as Microsoft OCS 2007 will not accept SIP OPTION messages so for these zones this should be set to On If you do change this to On you must also configure pattern matches to ensure that only thos...

Page 96: ...Default Zone PEER 3 PEER 2 PEER 1 PEER 4 Cluster Subzone VCS CLUSTER Cluster Subzone When two or more VCSs are clustered together a new subzone is created within the cluster s Local Zone This is the C...

Page 97: ...tion changes on the Master Any changes made on other Peers will not be reflected across the cluster and will be overwritten the next time the Master s configuration is replicated across the Peers We r...

Page 98: ...original Peer was lost Sharing Registrations Across Peers Sharing Bandwidth Across Peers When clustering has been configured all Peers share the bandwidth available to the cluster Peers must be config...

Page 99: ...Peers in the cluster When viewing Presence Status on a Peer in a cluster Publishers will show all presentities across the cluster for whom presence information is being published Presentities will sho...

Page 100: ...ould be a Neighbor Traversal Client or Traversal Server to your local VCS In this case when a call is received on your local VCS and is passed via the relevant zone to the remote cluster it will be ro...

Page 101: ...n alternative deployment would use a structured dial plan whereby endpoints are assigned an alias based on the system they are registering with If you are using E 164 aliases each VCS would be assigne...

Page 102: ...o initiate a cal l how to apply transforms to the address that was diale d either before searching on the local VCS or when sending the search request to the Local Zone and external zones how to use C...

Page 103: ...s checked against any pre search transforms Administrator Policy and User Policy If the alias is found within the Local Zone or by one of the external zones the 7 VCS will attempt to place the call to...

Page 104: ...e destination endpoint using its IP address The presence of a firewall may disrupt the call Instead place the call to the VCS to which the destination endpoint is registered as described in Calls from...

Page 105: ...unt assigned When the request is subsequently forwarded on to a neighbor zone the lower of the two values i e the original hop count or the hop count configured for that zone will be used For H 323 th...

Page 106: ...endpoints Neighbor Traversal Client and Traversal Server zones and endpoints on the public internet It does not apply to requests received from Peers which are configured identically and therefore wil...

Page 107: ...Assigns a priority to this transform Priority can be from 1 to 65534 with 1 being the highest priority Transforms are applied in order of priority and the priority must be unique for each transform Pa...

Page 108: ...e of PatternMatch specify the pattern that the alias to be transformed must match specify the way in which the alias will be transformed All searches that match the specified pattern will then be tran...

Page 109: ...wish to configure or New to create and configure a new zone You will be taken to the Edit Zone page Scroll down until you get to the Match1 section xConfiguration Zones Zone 1 200 Match 1 5 Pattern b...

Page 110: ...rmining if and when the zone will be queried and whether any transforms will be applied Some example configurations are given here Examples Always Query a Zone Never Apply Transforms To configure the...

Page 111: ...earch requests sent to a zone so that it is only queried for aliases that match certain criteria For example assume all endpoints in your regional sales office are registered to their local VCS with a...

Page 112: ...nal and Transformed Alias You may wish to query a zone for the original alias at the same time as you query it for a transformed alias To do this configure one match with a mode of AlwaysMatch and a s...

Page 113: ...the matches configured within them It is possible to configure a single zone with up to five PatternMatch matches each with the same Priority and with an identical Pattern String to be matched but ea...

Page 114: ...in a secure environment This means that when Authentication Mode is On and you configure policy based on the source alias it will only apply to authenticated sources The VCS determines whether or not...

Page 115: ...icy AdministratorPolicy Mode Administrator Policy Mode On Administrator Policy is enabled If a CPL script has been uploaded this policy will be used Otherwise the policy configured via the Administrat...

Page 116: ...one or more line items from the list check the box to the left of the item and then click Delete Add New Click to add the new item to the Policy A new row with empty fields for you to complete will a...

Page 117: ...t that was uploaded if Administrator Policy has been configured using the web interface this will show you the CPL version of the policy if Administrator Policy is On but a policy has not been configu...

Page 118: ...SRV record for the domain in the URI If available this SRV record will return information about the authoritative H 323 gatekeeper for that domain e g its FQDN and listening port If the domain part of...

Page 119: ...g it may route the call itself If one or more of the zones that contain a match are DNS zones this will trigger the VCS to 4 attempt to locate the endpoint through a DNS lookup It does this by queryin...

Page 120: ...as received from another zone and already has a hop count assigned the lower of the two values will be used When dialing by URI the hop count used is that configured for the DNS zone that matches the...

Page 121: ...e outgoing calls using URI dialing to endpoints that are not registered to the local VCS or one of its neighbors you must configure at least one DNS server for the VCS to query For resilience you can...

Page 122: ...configured via VCS Configuration Protocols H 323 as the Registration UDP port Call SRV Records Call SRV records and A AAAA records are intended primarily for use by endpoints which cannot participate...

Page 123: ...onfiguration Recommended Configuration If URI dialing is being used in conjunction with firewall traversal DNS zones and DNS Servers should be configured on the VCS Expressway and any VCSs on the publ...

Page 124: ...ming calls for instructions on how to do this Overview The VCS supports outward ENUM dialing by allowing you to configure ENUM zones on the VCS When an ENUM zone is queried this triggers the VCS to tr...

Page 125: ...will trigger the VCS to attempt to locate the endpoint through ENUM As and when each ENUM zone configured on the VCS is queried the E 164 number is transformed into an ENUM domain as follows the digit...

Page 126: ...t will trigger an ENUM lookup Example For example you want to enable ENUM dialing from your network to a remote office in the UK where the endpoints E 164 numbers start with 44 You would configure an...

Page 127: ...d configure at least one ENUM zone for each DNS suffix that your endpoints may use Normal zone pattern matching and prioritization rules will apply to ENUM zones Name Assigns a name to this zone Type...

Page 128: ...hat the VCS will query when attempting to locate a domain In order for endpoints registered to the VCS to make outgoing calls using ENUM dialing you must configure at least one DNS server for the VCS...

Page 129: ...of a suite of documents that define the ENUM standard specifies that the domain for ENUM where the NAPTR records should be located for public ENUM deployments is e164 arpa However use of this domain...

Page 130: ...s necessary to place a call to or receive a call from an unregistered endpoint Calls to an Unregistered Endpoint Recommended Configuration for Firewall Traversal When the VCS Expressway is neighbored...

Page 131: ...h to configure your Fallback Alias to be that of your receptionist so that all calls that do not specify an alias will still be answered personally and can then be redirected appropriately For example...

Page 132: ...Call ID the same Call ID will be assigned to more than one call over time Call Serial Number The VCS assigns a unique Call Serial Number to every call passing through it No two calls on a VCS will eve...

Page 133: ...differences in the way the protocols work For H 323 calls and interworked calls the Disconnect command will actually disconnect the call For SIP calls the Disconnect command will cause the VCS to rel...

Page 134: ...pages allow you to control the bandwidth that is used for calls within your local zone as well as calls out to other zones Bandwidth Control TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE In...

Page 135: ...of bandwidth used by endpoints on your network This is done by grouping endpoints into subzones and then applying limits to the bandwidth that can be used within each subzone between a subzone and an...

Page 136: ...VCS its IP address is checked and it is assigned to the appropriate subzone If no subzones have been created or the endpoint s IP address does not match any of the configured subzones it will be assig...

Page 137: ...have been configured Prefix length Enter the number of bits of the Subnet IP Address which must match for an IP address to belong in this subzone Create Subzone Click here to create the subzone and r...

Page 138: ...IP addresses that will belong to the first subnet in this subzone Subnet 2 5 Use these fields to define up to 4 further subnets for this Subzone Save Click here to save your changes Bandwidth See Appl...

Page 139: ...s if you want to configure the bandwidth available between one specific subzone and another specific subzone or zone If your bandwidth configuration is such that multiple types of bandwidth restrictio...

Page 140: ...re possible your VCS will perform the bandwidth calculations using the one with the fewest links Creating Links Name Enter the name you wish to assign to this link Node 1 Node 2 Select the names of th...

Page 141: ...t the names of the two subzones or the subzone and zone between which you wish to create a link Pipe 1 Pipe 2 If you wish to apply bandwidth limitations to this link select the pipe s to be applied Fo...

Page 142: ...nfigured correctly You can check whether a call will succeed and what bandwidth will be allocated to it using the command xCommand CheckBandwidth Pre Configured Links The VCS is shipped with the Defau...

Page 143: ...e Enter the name you wish to give to this pipe You will refer to this name when creating links Create Pipe Click here to create the pipe and return to the Pipes page About Pipes To create a pipe VCS C...

Page 144: ...er to this name when creating links Save Click here to save the changes Bandwidth restriction Determines whether there is a limit on the total concurrent bandwidth of this pipe Unlimited no limitation...

Page 145: ...options for calls in and out of that site Example In the diagram opposite Pipe A has been applied to two links the link between the Default Subzone and the Home Office subzone and the link between the...

Page 146: ...situation users will get one of the following messages depending on the message that initiated the search Exceeds Call Capacity Gatekeeper Resources Unavailable About the Default Call Bandwidth The de...

Page 147: ...s is represented as a separate subzone on the VCS with bandwidth configured according to local policy The enterprise s leased line connection to the Internet and the DSL connections to the remote offi...

Page 148: ...n The VCS Expressway has subzones configured for the Home Office and Branch Office These are linked to the VCS Expressway s Traversal Subzone with pipes placed on each link All calls from the VCS Expr...

Page 149: ...configure the additional firewall traversal server functions of a VCS Expressway including STUN services Firewall Traversal TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Introduction Getti...

Page 150: ...scovery and STUN relay services to endpoints with STUN clients These features are enabled as follows In order for the VCS Expressway to act as a firewall traversal server for TANDBERG systems you must...

Page 151: ...it Authentication Username Password link in the Edit Zone page for an existing Traversal Client Zone On the VCS Expressway create a Traversal Server Zone this represents the incoming connection from t...

Page 152: ...ports and they then must then configure their systems to connect to these specific ports on the server The only port configuration that is done on the client is the range of ports it uses for outgoin...

Page 153: ...225 and H 245 protocols Media UDP 2776 RTP media port UDP 2777 RTCP media control port Ports for Initial Connections from Traversal Clients Assent Ports H 460 18 19 Ports SIP Ports In situations wher...

Page 154: ...ation section There must also be an entry in the VCS Expressway s authentication database with the corresponding client username and password VCS Control or VCS Expressway If Authentication is On on t...

Page 155: ...onfigured on the VCS including those relating to firewall traversal will apply to both IP addresses it is not possible to configure these ports separately for each IP address Firewall Traversal and Du...

Page 156: ...identifier allowing you to distinguish between zones of the same type Type From the Type drop down menu select TraversalClient Create Zone Click here to create the zone You will be taken directly to t...

Page 157: ...the traversal server SIP mode Determines whether SIP calls will be allowed to and from this zone SIP port Specifies the port on the traversal server to be used for SIP calls from this VCS SIP transpor...

Page 158: ...ed endpoints i e TANDBERG MXP endpoints and any other endpoints that support the ITU H 460 18 and H 460 19 standards registered directly with it You can configure the protocols and ports that will be...

Page 159: ...for SIP calls to and from the traversal client Client authentication username If the traversal client is a VCS this must be the VCS s Authentication Username You must also add the client s Authenticat...

Page 160: ...endpoints On allows use of the same two ports for all calls Off Each call will use a separate pair of ports for media H 323 preference If an endpoint supports both Assent and H 460 18 protocols this s...

Page 161: ...ost cases the default ports should be used However you have the option to change these ports if necessary Media demultiplexing RTP port Specifies the port on the VCS to be used for demultiplexing RTP...

Page 162: ...ormation back to the client about the binding allocated by the NAT firewall being traversed How it works A client behind a NAT firewall sends a STUN discovery request via the firewall to the VCS Expre...

Page 163: ...e xConfiguration Traversal Server STUN STUN Services STUN Discovery Mode Determines whether the VCS will offer STUN Discovery services to traversal clients Save Click here to save your changes STUN Re...

Page 164: ...ou must purchase the appropriate option key in order to use each of these applications They are FindM e User Policy Presenc e Services TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Introduc...

Page 165: ...f User Policy has not been enabled or the alias is not present in the User Policy Manager the VCS will continue to search for the alias in the usual manner i e first locally and then sending the reque...

Page 166: ...intended for future third party integration If you select this option further configuration options will appear see below Configuring User Policy Manager FindMe requires a User Policy Manager The VCS...

Page 167: ...password to be used along with the Username when logging into this account Users will be able to change the password for their account once they have logged in FindMe name The FindMe name on which th...

Page 168: ...ccount page New password Type the new password to be used along with the Username when logging into this account Cancel Click here to return to the User Accounts page without changing the password Con...

Page 169: ...dices Applications Maintenance FindMe User Policy Managing FindMe User Accounts Deleting a User Account To delete a FindMe user account VCS Configuration Policy User Accounts You will be taken to the...

Page 170: ...this has been done you can log in to your account via a web interface and configure it with details of the device s on which you want to be contacted when a call is first placed to your FindMe name i...

Page 171: ...s that will ring when your FindMe name is first dialed If more than one device is listed here they will all ring at the same time Busy Devices For an individual list all the device s that will ring i...

Page 172: ...The Presence Server can manage the presence information for locally registered endpoints and presentities whose information has been received via a SIP Proxy e g another VCS Control or Expressway The...

Page 173: ...tity itself and this information is more accurate Where presence information is provided by the PUA and two or more other sources the Presence Server will aggregate the presence information from all p...

Page 174: ...of whether or not the Presence Server is enabled the VCS will still continue to receive PUBLISH messages if they are sent to it from any of the following sources locally registered endpoints that sup...

Page 175: ...they are registered locally or to a remote server Note FindMe users will not be listed here as a FindMe entity cannot subscribe to presence information However one or more of the endpoints that make u...

Page 176: ...eys manage security certificates manage Administrator accounts and passwords create a system snapshot restart the VCS shut down the VC S This section also gives information on restoring the system to...

Page 177: ...of the configuration before upgrading How you do this will depend on the version of software currently running Versions prior to X3 0 Use the command line interface to log on to the VCS 1 Issue the co...

Page 178: ...k Browse to locate it on the network System Information This section tells you about the software and hardware that currently make up your system Upgrading via the Web Interface Before you start the u...

Page 179: ...calls and registrations Restart system Click here after checking the active calls and registrations to ensure that it is an appropriate time to restart the VCS The system will restart and after a few...

Page 180: ...s Alternates Presence Services Presence will no longer be supported after downgrading from version X3 0 Local Zone Matches Any local zone matches will be deleted after downgrading from version X3 0 Ca...

Page 181: ...lling but not the media Note that non traversal calls that are passing through the VCS from one neighbor to another but where neither endpoint in the call is locally registered will still be counted a...

Page 182: ...tem along with a description of the options they provide Add option key Enter the 20 character Option Key that has been provided to you for the option you wish to add Add Option Click Add Option Addin...

Page 183: ...by the VCS The VCS will only accept certificates signed by a CA on this list If you are connecting to an LDAP database using TLS encryption the certificate used by the LDAP database must be signed by...

Page 184: ...r Read Only Administration accounts with Read Only access can view the current status and configuration of the VCS but cannot make any changes Some pages such as the Upgrade page are blocked to Read O...

Page 185: ...se passwords as well it is possible to reset the password for the admin account as long as you have physical access to the VCS See the section Resetting the Default Administrator Password for details...

Page 186: ...red to a VCS running the same version of software from which the backup was made It is possible to create a backup on one VCS and restore it to a different VCS for example if the original system has f...

Page 187: ...if it is valid you will be taken to the Restore Configuration page If the backup file is not valid you will receive an error message at the top of the Backup and Restore page The Restore configuration...

Page 188: ...System Snapshot page Overview Create System Snapshot Clicking on this button will initiate the download of the system snapshot file You will then be asked whether and where you would like to save the...

Page 189: ...estarting will cause any active calls and registrations to be terminated For this reason the Restart page displays the number of current calls and registrations so you can check these before you resta...

Page 190: ...down will cause any active calls and registrations to be terminated For this reason the Shutdown page displays the number of current calls and registrations so you can check these before you shut down...

Page 191: ...n the table opposite Configuration item Default value after xCommand DefaultValuesSet Level 3 SystemUnit Name blank SystemUnit Password TANDBERG Option 1 64 Key all option keys are deleted IPProtocol...

Page 192: ...nterface you will see placeholder characters e g dots or stars depending on your browser instead of the characters you are typing Command Line Interface When entering passwords via the Command Line In...

Page 193: ...trol Firewall Traversal Appendices Applications Maintenance This section includes the following appendices which provide supplementary information regarding the administration of the VCS CPL Referenc...

Page 194: ...ntation of the CPL language and should be read in conjunction with the CPL standard RFC 3880 5 and the TANDBERG guide to writing CPL 22 The VCS supports most of the CPL standard along with some TANDBE...

Page 195: ...the SETUP The From and ReplyTo fields of the incoming message The source aliases from the original LRQ or ARQ that started the call If a SETUP is received without a preceding RAS message then the ori...

Page 196: ...st For URI aliases this selects the domain name part If the alias is an IP address then this subfield is the complete address in dotted decimal form tel For E 164 numbers this selects the entire strin...

Page 197: ...323 ID or an E 164 number priority 0 0 1 0 random Specified either as a floating point number in the range 0 0 to 1 0 or random which assigns a random number within the same range 1 0 is the highest...

Page 198: ...rigin not present Reject call with a status code of 403 Forbidden reject status 403 reason Denied by policy not present address switch taa routed cpl CPL Examples Call Screening Based on Alias In this...

Page 199: ...t using example com retry the request with example net taa location clear yes regex example com replace 1 example net proxy taa location failure proxy address address switch taa routed cpl CPL Example...

Page 200: ...sent reject status 403 reason Only local endpoints can use this Tandberg VCS not present address switch taa routed cpl CPL Examples Block Calls from Default Zone and Default Subzone The same script ca...

Page 201: ...instance xsi schemaLocation urn ietf params xml ns cpl cpl xsd taa routed address switch field destination address regex 9 address switch field originating zone Calls coming from the traversal zone a...

Page 202: ...he last character in the range You can not use special characters within the they will be taken literally a z will match against any lower case alphabetical character a zA Z will match against any alp...

Page 203: ...ation Ethernet 2 IP V4 Address Matches the IPv4 addresses currently configured on the VCS for LAN 1 and LAN 2 not applicable ipv4 _ 1 xConfiguration Ethernet 1 IP V4 Address Matches all IPv4 address c...

Page 204: ...ncrypted Web administration 80 TCP not configurable SNMP used for network management 161 UDP not configurable NTP used for updating the system time and important for H 235 security 123 UDP not configu...

Page 205: ...STUN Relay used on the VCS Expressway listening port for STUN relay requests 4678 UDP 1024 65534 VCS Configuration Expressway STUN xConfiguration Traversal Server STUN Relay Port SIP UDP listens for...

Page 206: ...to be used for the media Ports are allocated from this range in pairs the first of each being even Therefore the range must start with an even number See Configuring the Traversal Subzone Ports for m...

Page 207: ...ng the SRV Record There are a range of tools available to investigate DNS records One commonly found on Microsoft Windows and UNIX platforms is nslookup Use this to verify that everything is working a...

Page 208: ...ent endpoints on the network H 350 1 Directory services architecture for H 323 An LDAP schema to represent H 323 endpoints H 350 2 Directory services architecture for H 235 An LDAP schema to represent...

Page 209: ...ate the Organizational Hierarchy Open up the Active Directory 1 Users and Computers MMC snap in Under your BaseDN right click and select 2 New Organizational Unit Create an Organizational unit called...

Page 210: ...nux platform For installations on other platforms the location of the OpenLDAP configuration files may be different See the OpenLDAP installation documentation for details Installing the H 350 Schemas...

Page 211: ...the H 350 objects dn ou h350 dc my domain dc com objectClass organizationalUnit ou h350 Add the ldif file to the server using the command 2 slapadd l ldif _ file This organizational unit will form the...

Page 212: ...n a list of all elements available under the xConfiguration command type xConfiguration element to return all available sub elements along with the valuespace and description and default values for ea...

Page 213: ...t Mode On Off Determines whether the VCS can be accessed via telnet Note You must restart the system for any changes to take effect Default Off Example xConfiguration Administration Telnet Mode Off Ad...

Page 214: ...ations Presence User Agent Mode On Off Enables and disables the SIMPLE Presence User Agent PUA The PUA provides presence information on behalf of registered endpoints SIP Mode must also be enabled for...

Page 215: ...The message is allowed if the credentials match or of there are no credentials in the message For SIP any messages originating from an endpoint in a local domain will be authenticated Default Off Exa...

Page 216: ...zone to which this link will be applied Example xConfiguration Bandwidth Link 1 Node1 Name HQ Bandwidth Link 1 600 Node2 Name S 0 50 Specifies the second zone or subzone to which this link will be app...

Page 217: ...Direct Allows an endpoint to make a call to an unknown IP Address without the VCS querying any neighbors The call setup would occur just as it would if the far end were registered directly to the loc...

Page 218: ...100full 1000full Sets the speed of the Ethernet link from the specified LAN port Use Auto to automatically configure the speed Note You must restart the system for any changes to take effect Example...

Page 219: ...ive 120 H323 Gatekeeper Registration ConflictMode Reject Overwrite Determines how the system will behave if an endpoint attempts to register an alias currently registered from another IP Address Rejec...

Page 220: ...steredOnly IP DNS Domain Name S 0 128 Specifies the name to be appended to the host name before a query to the DNS server is executed Used only when attempting to resolve a domain name which is not fu...

Page 221: ...IPv4 IPv6 or dual stack mode Note You must restart the system for any changes to take effect Default IPv4 Example xConfiguration IPProtocol IPv4 LDAP Encryption Off TLS Sets the encryption to be used...

Page 222: ...her VCS Example xConfiguration Log Server Address syslog server example com NTP Address S 0 128 Sets the IP Address or Fully Qualified Domain Name FQDN of the NTP server to be used when synchronizing...

Page 223: ...emote User Policy Manager Default otimgr query php Example xConfiguration Policy UserPolicy Server Path otimgr query php Policy UserPolicy Server Protocol HTTP HTTPS Specifies the protocol used to con...

Page 224: ...e end of the alias Regex the string will be treated as a regular expression Default Exact Example xConfiguration Registration DenyList 1 Pattern Type Exact Registration RestrictionPolicy None AllowLis...

Page 225: ...call processing rules Default Off Example xConfiguration SIP Registration Proxy Mode Off SIP TCP Mode On Off Determines whether incoming SIP calls using the TCP protocol will be allowed Default On Ex...

Page 226: ...ts the VCS s SNMP community name Default public Example xConfiguration SNMP CommunityName public SNMP Mode On Off Enables or disables SNMP support Note You must restart the system for any changes to t...

Page 227: ...he serial port The maximum plaintext length is 16 characters which will then be encrypted Example xConfiguration SystemUnit Password password123 TimeZone Name S 0 64 Sets the local time zone of the VC...

Page 228: ...ls i e where the VCS is taking the media as well as the signaling specifies the lower port in the range to be used for the media Ports are allocated from this range in pairs the first of each being ev...

Page 229: ...UN Relay Media Port Start 1024 65534 Specifies the lower port in the range to be used for STUN media relay Default 60000 Example xConfiguration Traversal Server STUN Relay Media Port Start 60000 Trave...

Page 230: ...es LocalZone DefaultSubZone Bandwidth Total Limit 1 100000000 Sets the total bandwidth limit in kbps of the Default Subzone applies only if Mode is set to Limited Default 500000 Example xConfiguration...

Page 231: ...the end of the alias Regex the string will be treated as a regular expression Example xConfiguration Zones LocalZone Match 1 5 Pattern Type suffix Zones LocalZone Match 1 5 Priority 1 65534 Determines...

Page 232: ...lls can be made to from or within this subzone Default Unlimited Example xConfiguration Zones LocalZone SubZone 1 Bandwidth Total Mode Limited Zones LocalZone SubZone 1 100 Name S 1 50 Assigns a name...

Page 233: ...TCP probe to the VCS once a call is established in order to keep the firewall s NAT bindings open Default 20 Example xConfiguration Zones LocalZone Traversal H323 TCPProbe KeepAliveInterval 20 Zones...

Page 234: ...mple xConfiguration Zones LocalZone TraversalSubZone Bandwidth PerCall Mode Limited Zones LocalZone TraversalSubZone Bandwidth Total Limit 1 100000000 Specifies the total bandwidth in kbps allowed for...

Page 235: ...63 Zones Zone 1 200 DNS Interworking SIP Video DefaultResolution None QCIF CIF 4CIF SIF 4SIF VGA SVGA XGA Specifies which video resolution to use when empty INVITEs are not allowed Default CIF Example...

Page 236: ...t in the Replace string Default Leave Example xConfiguration Zones Zone 1 Match 1 Pattern Behavior Replace Zones Zone 1 200 Match 1 5 Pattern Replace S 0 60 Applies only if the Pattern Behavior is Rep...

Page 237: ...a SIP INVITE message with no SDP to send to this zone INVITES with no SDP mean that the destination device is asked to initiate the codec selection and are used when the call has been interworked loca...

Page 238: ...he SDP received from this neighbor Latching The media is always taken for calls to and from this neighbor It will be forwarded to the IP Address and port from which media from this neighbor is receive...

Page 239: ...figuration Zones Zone 2 TraversalClient H323 Protocol Assent Zones Zone 1 200 TraversalClient Peer 1 6 Address S 0 128 Specifies the IP Address or Fully Qualified Domain Name FQDN of the traversal ser...

Page 240: ...Port 1024 65534 Specifies the port on the VCS being used for H 323 firewall traversal from this traversal client Default 6001 incrementing by 1 for each new zone Example xConfiguration Zones Zone 3 T...

Page 241: ...20 Zones Zone 1 200 TraversalServer UDPProbe RetryCount 1 65534 Sets the number of times the traversal client will attempt to send a UDP probe to the VCS Default 5 Example xConfiguration Zones Zone 3...

Page 242: ...ommand command to return all parameters for that command along with the valuespace and a description for each The valid value for this parameter is a string The minimum and maximum number of character...

Page 243: ...S 1 60 Specifies an entry to be added to the Allow List If one of an endpoint s aliases matches one of the patterns in the Allow List the registration will be permitted PatternType Exact Prefix Suffix...

Page 244: ...1 60 The pattern against which the alias is to be compared Type r Exact Prefix Suffix Regex The way in which the pattern must match the alias in order for the transform to be applied Behavior r Strip...

Page 245: ...tring r S 1 60 Specifies an entry to be added to the Deny List If one of an endpoint s aliases matches one of the patterns in the Deny List the registration will not be permitted PatternType Exact Pre...

Page 246: ...nce Server for this domain and will accept registration requests for any SIP endpoints attempting to register with an alias that includes this domain Example xCommand DomainAdd DomainName example com...

Page 247: ...Event RegistrationAdded Event RegistrationRemoved Event RegistrationFailure Event RegistrationChanged Event Bandwidth Event Locate Event ResourceUsage Event AuthenticationFailure Example xCommand Feed...

Page 248: ...o be deleted Example xCommand LinkDelete LinkId 2 ListPresentities Returns a list of all the Presentities being watched by a particular Subscriber Subscriber r S 1 255 The URI of the Subscriber who is...

Page 249: ...Specifies the ID of the software option to be deleted Example xCommand OptionKeyDelete OptionKeyId 2 PipeAdd Adds and configures a new pipe PipeName r S 1 50 Assigns a name to this pipe TotalMode Unl...

Page 250: ...refixLength r 1 128 Specifies the number of bits of the IP Address which must match when determining the network to which this route applies Gateway r S 1 39 Specifies the IP Address of the Gateway fo...

Page 251: ...this subzone Default Unlimited PerCallInter 1 100000000 Specifies the bandwidth limit in kbps on any one call to or from an endpoint in this subzone applies only if Mode is set to Limited Default 192...

Page 252: ...le net Type suffix Behavior replace Replace example com Priority 3 TransformDelete Deletes a transform TransformId r 1 100 The index of the transform to be deleted Example xCommand TransformDelete Tra...

Page 253: ...mmand does not change any existing system configuration Alias r S 1 60 The alias to be searched for Example xCommand ZoneList Alias john smith example com TANDBERG VIDEO COMMUNICATIONS SERVER ADMINIST...

Page 254: ...status of all status elements on the VCS type xStatus element to return the current status for that particular element and all its sub elements type xStatus element sub element to return the current s...

Page 255: ...0 500 TraversalCalls 0 100 Registrations 0 2500 Expressway True False Encryption True False Interworking True False UserPolicy True False DeviceProvisioning True False DualNetworkInterfaces True False...

Page 256: ...scription S 1 128 IP Protocol IPv4 IPv6 Both IPv4 Gateway IPv4Addr IPv6 Gateway IPv6Addr DNS Server 1 5 Address IPv4Addr IPv6Addr Domain S 0 128 TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUID...

Page 257: ...to authenticate with LDAP server A valid CA certificate for the LDAP database has not been uploaded this is required for connections via TLS No server address configured Address IPv4Addr IPv6Addr Port...

Page 258: ...rtTime Seconds since boot Date Time Duration Time in seconds precision in seconds Legs Leg 1 300 Protocol H323 SIP H323 visible if Protocol H323 CallSignalAddress IPv4Addr IPv6Addr 1 65534 Aliases Ali...

Page 259: ...n ID 1 2500 SerialNumber S 1 255 Sessions Session 1 300 Status Unknown Searching Failed Cancelled Completed Active Connected MediaRouted True False Participants Leg 1 300 2 entries Bandwidth Requested...

Page 260: ...65534 RASAddresses Address IPv4Addr IPv6Addr 1 65534 Apparent IPv4Addr IPv6Addr 1 65534 Prefix S 1 20 0 50 entries Aliases Alias 1 50 Type E164 H323Id URL Email GW Prefix MCU Prefix Prefix Suffix IPA...

Page 261: ...trations Registration 1 3750 SerialNumber S 1 255 Calls Section visible only if there are calls Call 0 900 0 900 entries CallId S 1 255 TraversalSubZone Name TraversalSubZone Bandwidth LocalUsage 0 10...

Page 262: ...ed or Warning System unreachable Systems unreachable Type Neighbor TraversalClient TraversalServer ENUM DNS Neighbor Visible if Type is Neighbor Peer 1 6 H323 Visible if H323 Mode On for Zone Status U...

Page 263: ...lid IP address Address IPv4Addr IPv6Addr One Address line per address from DNS lookup Port 1 65534 LastStatusChange Time not set Date Time SIP Visible if SIP Mode On for Zone Status Unknown Active Fai...

Page 264: ...t set Date Time Calls 0 900 entries Call 0 900 CallID S 1 255 Links Link 1 100 Name S 1 50 Link name Bandwidth LocalUsage 0 100000000 ClusterUsage 0 100000000 Calls Call 0 900 0 900 entries CallSerial...

Page 265: ...ess 1 1024 Visible if Remote H323 Registration Status Active Inactive Failed IPv4 Visible if Status Active Address IPv4Addr 1 2 entries IPv6 Visible if Status Active Address IPv6Addr 1 2 entries OutOf...

Page 266: ...ntries IPv6 Visible if Status Active Address IPv6Addr 1 2 entries SIP Ethernet 1 2 IPv4 UDP Status Active Inactive Failed Address IPv4Addr TCP Status Active Inactive Failed Address IPv4Addr TLS Status...

Page 267: ...ddr Relay Status Active Inactive Address IPv4Addr IPv6Addr Allocations Count 0 800 Relay 1 800 Client IPv4Addr IPv6Addr RelayAddress IPv4Addr IPv6Addr CreationTime Date Time ExpireTime Date Time TANDB...

Page 268: ...0000 URI S 1 255 Document Count 1 10 Subscriptions Subscribers Count 0 n Max 0 n Subscriber 1 2500 URI S 1 255 Subscription Count 1 100 Count 1 2500 Max 1 2500 Expired 1 2500 TANDBERG VIDEO COMMUNICAT...

Page 269: ...S 1 255 Subscriber Count 1 100 TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Introduction Getting Started Overview and Status System Configuration VCS Configuration Zones and Neighbors Call...

Page 270: ...rotocol SIP Extension Header Field for Registering Non Adjacent Contacts http www ietf org rfc rfc3327 txt 11 Session Traversal Utilities for NAT STUN http tools ietf org html draft ietf behave rfc348...

Page 271: ...or policy user policy and transforms that are applied to a single call to determine whether and how it is placed CLI Command Line Interface A text based user interface used to access the VCS Cluster A...

Page 272: ...internet HTTPS Hypertext Transfer Protocol over Secure Socket Layer A protocol used for secure communications over the internet combining HTTP with TLS Hop count The maximum number of gatekeeper or SI...

Page 273: ...ode is one end of a link A node can be a local subzone or a zone NTP Network Time Protocol A protocol used for synchronizing clocks Peer A VCS that has been configured to belong to a Cluster PEM Priva...

Page 274: ...eliable communication protocol defined by RFC 791 18 Telnet A network protocol used on the internet or Local Area Networks LANs TLS Transport Layer Security A protocol that provides secure communicati...

Page 275: ...Video Communications Server A generic term for the TANDBERG product which acts as a gatekeeper and SIP Proxy Server VCS Control A VCS whose main function is to act as a gatekeeper SIP proxy and firew...

Page 276: ...f the Americas 24th Floor New York NY 10036 Telephone 1 212 692 6500 Fax 1 212 692 6501 Video 1 212 692 6535 E mail tandberg tandberg com TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE Intro...

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