Glossary – TANDBERG D14049.01 User Manual
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TANDBERG
VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
D 14049.01
07.2007
TANDBERG
VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
Term
Definition
SIP
Session Initiation Protocol
IETF protocol for controlling multimedia communication. Defined by RFC 3261 [
SNMP
Simple Network Management Protocol
A protocol used to monitor network devices.
Source Alias
The alias present in the “source” field of a message.
SRV record
Service record
A type of DNS record.
STUN
Simple Traversal of UDP through NATs
Firewall NAT traversal for SIP. Defined by RFC 3489 [
].
Subzone
A segment of a VCS zone.
TCP
Transmission Control Protocol
A reliable communication protocol defined by RFC 791 [
].
Telnet
A network protocol used on the internet or Local Area Networks (LANs).
TLS
Transport Layer Security
A protocol that provides secure communications over the internet.
Transform
In relation to the VCS, the process of changing the alias being searched for.
Traversal call
Any call where both signaling and media are routed through the VCS.
Traversal Client
A traversal entity on the private side of a firewall. Examples are a TANDBERG Gatekeeper or TANDBERG VCS.
Traversal Server
A traversal entity on the public side of a firewall. Examples are the TANDBERG Border Controller and the TANDBERG VCS with the Border Controller option enabled.
Traversal-enabled endpoint
Any endpoint that supports the Assent and/or ITU H.460.18 and H.460.19 standards for firewall traversal. This includes all TANDBERG MXP endpoints.
UDP
User Datagram Protocol
Unreliable communication protocol defined by RFC 791 [
].
URI
Uniform Resource Identifier
A formatted string used to identify a resource, typically on the internet.
User Policy
The set of rules that determine the action(s) to be applied to calls for a particular user or group.
VCS Border Controller
A VCS with the Border Controller option added. This allows the VCS to act as a firewall traversal server.
Zone
A collection of endpoints.
Glossary