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Fax On DemandFax On Demand ((FODFOD) )
Upon request of information using a telephone, you can receive information through fax. This ser-
vice is provided on a 24 hour a day basis.
Foreign EForeign Exxchange change OOfficeffice ((FXOFXO ))
Being connected to a signal at a loop start signal type PBX, it receives power current and RING
signals from the PBX, and sends them to the corresponding system. It forms the subscribers’ tele-
phone lines by processing voice signals at the sending end to PCM data.
Foreign ExForeign Exchange Station/Subscriberchange Station/Subscriber ((FFXSXS) )
Sends dial tones to ordinary telephones. It accommodates subscriber lines in loop start signal type
exchangers, supplies current call RING signals to subscribers, sends voice signals, and dials sig-
nals of DTMF and LOOP ON/OFF by processing them into PCM data to the corresponding sys-
tems.
File Transfer ProtocolFile Transfer Protocol ((FTPFTP) )
A client/server protocol for exchanging files with a host computer. Examples are X-modem, Y-
modem, Z-modem and Kermit.
GatekeeperGatekeeper
H.323 Gatekeeper performs important functions which allow the deployment of an accountable
and manageable multi-media network. A Gatekeeper is typically assumed to provide functions
such as directory services, address translation, bandwidth management, authentication, accounting,
authorization, and billing.
GatewayGateway
A device that connects two computer networks that use different protocols. It translates between
protocols so that computers on the connected networks can exchange data. For example, commer-
cial online services often have gateways for sending e-mail to Internet addresses.
G.711G.711
G.711 is a CCITT recommendation detailing a 74 kbps, 7kHz bandwidth audio coding algorithm.