SOYO AVRO 3002 User Manual page 36

FXS
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.
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.
Internet Protocol Security (IPSec)
A security protocol that provides authentication and encryption over
the internet. Security is provided at the network or packet processing
layer of network communication, rather than the application layer.
IPsec supports two encryption modes - transport and tunnel.
Transport mode encrypts only the data portion of each packet, but
leaves the header untouched. The more secure tunnel mode encrypts
both the header and the data portion. On the receiving side, an
IPsec-compliant device decrypts each packet.
ITSP
Short for Internet Telephony Service Provider, which is a general
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SOYO AVRO3002 Ethernet Router Manual