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D14049.07
March 2010
Grey Headline
(continued)
TANDBERG
VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
Introduction
Overview and
status
System
configuration
VCS
configuration
Zones and
neighbors
Clustering and
peers
Call
processing
Bandwidth
control
Firewall
traversal
Appendices
Applications
Maintenance
Glossary
Term
Definition
A record
A type of DNS record that maps a host name to an IPv4 address.
AAAA record
A type of DNS record that maps a host name to an IPv6 address.
Administrator Policy
See Call Policy
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 configured to support the same zone in order to provide redundancy. See also Cluster.
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 firewall traversal.
Border Controller
A TANDBERG device used to control multimedia networks and firewall traversal.
CA
Certificate authority
An organization that validates and signs certificate requests.
Call Policy
In relation to the VCS, the set of rules configured system-wide (either via the web interface or CPL script) that determine the action(s) to be applied to calls matching
a given criteria. (Also referred to as Administrator Policy.)
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 configured to work together as a single Local Zone, in order to provide scalability and redundancy.
Conference Factory
An application that allows the VCS to support TANDBERG's Multiway feature. Multiway enables endpoint users to create a conference while in a call even if their
endpoint does not have this functionality built in. See the
Conference Factory
section for more information.
CPL
Call Processing Language
An XML-based language for defining call handling. Defined by
RFC 3880 [5]
.
CRL
Certificate revocation list
A list from a CA (certificate authority) of previously signed certificates that it marks as no longer valid.
Default Subzone
A subzone used to represent locally registered endpoints and systems that do not fall within any other existing configured subzones within the Local Zone.
Default Zone
A non-configurable zone on the VCS used to represent incoming connections from endpoints that are not recognized as belonging to any of the existing configured
neighbor, traversal client or traversal server zones.
Device Provisioning
An option key that allows VCS to provision endpoints with configuration information on request and to supply endpoints with phone book information. See the
Device
Provisioning
section for more information.
DiffServ
Differentiated Services
A
Quality of Service
(QoS) mechanism supported by the VCS.
DNS
Domain Name System
A distributed database linking domain names to IP addresses.
