Cisco TelePresence Administrator's Manual page 291

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Glossary
Term
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
Internet Protocol version 4
IPv6 Version 6 of the Internet Protocol, defined in
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 on-line directories running over TCP/IP.
Lightweight Directory Access Protocol
Link In relation to the VCS, a connection between two nodes.
Local call (Also referred to as a non-traversal call.) A call where the signaling but not the media is routed through the local VCS. See the
more information.
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. If a VCS is part of a cluster, the Local Zone refers to the
collection of all endpoints and other systems registered to all peers in that cluster.
LRQ A RAS query between gatekeepers to determine the location of an endpoint.
Location Request
MCU A network device that allows multiple endpoints to participate in a video conference.
Multipoint Control Unit
Microsoft Office Communications Microsoft OCS (Office Communications Server) 2007 is an enterprise real-time communications server, providing the infrastructure to allow instant messaging,
Server 2007 presence, audio-video conferencing and web conferencing functionality.
Microsoft OCS
Microsoft Office Communications The client application released with Microsoft Office Communications Server (OCS). The MOC client can be used for instant messaging, presence, voice and video
(MOC) client calls and ad hoc conferences.
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
Neighbor An remote system to which the VCS has a connection via a neighbor zone.
Overview and System
Introduction
status configuration
D14049.08
November 2010
Definition
Cisco VCS Zones and
configuration neighbors
RFC 791 [18].
RFC 2460 [19].
Clustering and Call Bandwidth
peers processing control
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CISCO TELEPRESENCE VIDEO COMMUNICATION SERVER
What are traversal calls?
Firewall
Applications Maintenance
traversal
ADMINISTRATOR GUIDE
section for
Appendices