SOYO AVRO3001 - Manual (Page 35)

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Short for Foreign Exchange Station interface, which is used to connect to
the telephone set or PBX, it provides ringing back, dial signal to the
telephone devices.
Gatekeeper
The gatekeeper maintains a registry of devices in the multimedia network.
The devices register with the gatekeeper at startup and request admission to
a call from the gatekeeper. The gatekeeper is an H.323 entity on the LAN
that provides address translation, control access, and bandwidth
management to the LAN for H.323 terminals and gateways
G.lite
A standard that defines the more economical splitterless ADSL connection
that transmits data at up to 1.5 Mbps downstream and 512 Kbps upstream.
This ADSL option can be installed without an on-site visit by the service
provider
H.245
H.245 is an International Telecommunication Union (ITU-T) standard that
defines the control functions of the network multimedia communication,
such as the agreement of the mutual communication capability, the
establishment of the voice and video channel, etc.
H.323
H.323 is an International Telecommunication Union (ITU-T) standard that
describes packet-based video, audio, and data conferencing. H.323 is an
umbrella standard that describes the architecture of the conferencing
system and refers to a set of other standards (H.245, H.225.0, and Q.931)
to describe its actual protocol.
Internet Protocol Address (IP Address)
It is the numeric address of a computer on the Internet. An IP address is
written as a set of four numbers separated by periods (each number can
range from 0 to 255).
Internet Service Provider (ISP)
A company that provides access to the Internet. This may be your local
telephone or cable company, or a dedicated Internet service company.