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D14049.04
JULY 2008
Grey Headline (continued)
TANDBERG VIDEO COMMUNICATIONS SERVER
ADMINISTRATOR GUIDE
Introduction Getting Started
Overview and
Status
System
Conguration
VCS
Conguration
Zones and
Neighbors
Call
Processing
Bandwidth
Control
Firewall
Traversal
Appendices
Applications Maintenance
Glossary
Term Denition
A record A type of DNS record that maps a domain name to an IPv4 address.
AAAA record A type of DNS record that maps a domain name to an IPv6 address.
Administrator Policy In relation to the VCS, the set of rules congured system-wide (either via the web interface or CPL script) that determine the action(s) to be applied to calls matching
a given criteria.
Alias The name an endpoint uses when registering with the VCS. Other endpoints can then use this name to call it. An endpoint may register with more than one alias.
Alternate One or more VCSs congured to support the same zone in order to provide redundancy.
AOR
Address of Record
A SIP or SIPS URI that points to a domain with a location service that can map the URI to another URI where the user might be available. Typically, the location
service is populated through registrations. An AOR is frequently thought of as the “public address” of the user.
ARQ
Admission Request
An endpoint RAS request to make or answer a call.
Assent TANDBERG’s proprietary protocol for rewall traversal.
Border Controller A TANDBERG device used to control multimedia networks and rewall traversal.
Call Policy The set of rules (administrator 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 collection of between two and six VCSs that have been congured to work together as a single Local Zone, in order to provide scalability and redundancy.
CPL
Call Processing Language
An XML-based language for dening call handling. Dened by RFC 3880 [5].
Default Subzone A subzone used to represent locally registered endpoints and systems that do not fall within any other existing congured subzones within the Local Zone.
Default Zone A congurable zone on the VCS used to represent incoming connections from endpoints that are not recognized as belonging to any of the existing congured
Neighbor, Traversal Client or Traversal Server Zones.
DNS
Domain Name System
A distributed database linking domain names to IP addresses.
DNS zone On the VCS, a zone used to congure access to endpoints located via a DNS lookup.
E.164 An ITU standard for structured telephone numbers. Each telephone number consists of a country code, area code and subscriber number. For example, TANDBERG’s
European Headquarters’ phone number is +47 67 125125, corresponding to a country code of 47 for Norway, area code of 67 for Lysaker and nally 125125 to
determine which phone line in Lysaker.
ENUM
tElephone NUmber Mapping
A means of mapping E.164 numbers to URIs using DNS.
ENUM zone On the VCS, a zone used to congure access to endpoints located via ENUM.
External Manager The remote system that is used to manage endpoints and network infrastructure. The TANDBERG Management Suite (TMS) is an example of an external manager.