![](/images/new-backgrounds/1291428/291428487x1.webp)
Grey Headline (continued)
Glossary
TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE
Term |
|
| Definition |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
HTTP |
|
| A protocol used for communications over the internet. |
|
|
|
|
|
|
|
| ||||||||
Hypertext Transfer Protocol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
HTTPS |
|
| A protocol used for secure communications over the internet, combining HTTP with TLS. |
|
|
|
| ||||||||||||
Hypertext Transfer Protocol over |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Secure Socket Layer |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Hop count |
|
| The maximum number of gatekeeper or SIP proxy devices (e.g. a VCS) that a message may be forwarded through before it is decided that its intended recipient is not | ||||||||||||||||
|
|
|
| reachable. |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
ICE |
|
| A collaborative algorithm that works together with STUN services (and other NAT traversal techniques) to allow clients to achieve firewall traversal. This is the | ||||||||||||||||
Interactive Connectivity Establishment | emerging traversal standard for use by SIP endpoints (although it could be used for other protocols). |
|
|
|
| ||||||||||||||
IETF |
|
| An organization that defines (via documents such as RFCs) the protocol standards and best practices relating to the design, use and management of the internet. | ||||||||||||||||
Internet Engineering Task Force |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Interworking |
|
| Allowing H.323 systems to connect to SIP systems. |
|
|
|
|
|
|
|
| ||||||||
IPv4 |
|
| Version 4 of the Internet Protocol, defined in RFC 791 [18]. |
|
|
|
|
|
|
|
| ||||||||
Internet Protocol version 4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
IPv6 |
|
| Version 6 of the Internet Protocol, defined in RFC 2460 [19]. |
|
|
|
|
|
|
|
| ||||||||
Internet Protocol version 6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
IRQ |
|
| A request sent to an endpoint requesting information about its status. |
|
|
|
|
|
| ||||||||||
Information Request |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
LAN |
|
| A geographically limited computer network, usually with a high bandwidth throughput. |
|
|
|
| ||||||||||||
Local Area Network |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
LDAP |
|
| A protocol for accessing |
|
|
|
|
|
|
|
| ||||||||
Lightweight Directory Access Protocol |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
Link |
|
| In relation to the VCS, a connection between two nodes. |
|
|
|
|
|
|
|
| ||||||||
Local Registration, |
| A relative term used to refer to any endpoint or system that is registered with the Local VCS. |
|
|
|
| |||||||||||||
Locally Registered Endpoint |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Local VCS |
|
| A relative term used to refer to the particular VCS that you are currently administering, as opposed to other VCSs in your network. |
| |||||||||||||||
Local Zone |
|
| A relative term used to refer to the group of endpoints and other systems registered to a particular VCS. |
|
|
| |||||||||||||
LRQ |
|
| A RAS query between gatekeepers to determine the location of an endpoint. |
|
|
|
|
|
| ||||||||||
Location Request |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
NAPTR record |
|
| A type of DNS record. |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
NAT |
|
| Also known as IP masquerading. Rewriting source and destination addresses as the IP packet passes through the NAT device. |
| |||||||||||||||
Network Address Translation |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Node |
|
| In relation to the VCS, a node is one end of a link. A node can be a local subzone or a zone. |
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Introduction |
| Getting Started | Overview and |
| System |
| VCS |
| Zones and |
| Call |
| Bandwidth |
| Firewall |
| Maintenance | Appendices | |
|
| Status |
| Configuration |
| Configuration |
| Neighbors |
| Processing |
| Control |
| Traversal |
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
D14049.03 |
|
|
|
|
|
|
|
| 244 |
|
|
|
|
|
|
| |||
MAY 2008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|