18 glossary – VEGA MoRoS Modem - ISDN 1.3 User Manual

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MoRoS Modem - ISDN 1.3

Glossary

The most important terms and abbreviations used in the manual are shortly described

below.

APN:

The Access Point Name is the name of the processor offering internet ac-
cess to the mobile subscribers of GPRS

AT Command:

Command to devices such as modems for setting this equipment

Broadcast: Data packet to be sent to all users of a network

Caller ID:

The calling line passed by the caller which can be identified by the called
telephone

Client:

Device inquiring services from another device (server)

CLIP:

The Calling Line Identification Presentation is a performance characteristic
for connected calls in the analogue and ISDN telephone network as well as
for the mobile telephone system. The Caller ID of the calling person is
transmitted to the receiver.

CHAP:

The Challenge Handshake Authentication Protocol is often used for PPP
connections.

DHCP:

The Dynamic Host Configuration Protocol: DHCP servers can dynamically
pass an IP address or other parameters to DHCP clients on their request.

Dial-In:

The MoRoS can be called by a switched dial-up circuit and it is able to es-
tablish a LAN connection.

Dial-Out:

The MoRoS can dial out by a switched dial-up circuit and establish an inter-
net connection for example.

EDI:

Electronic Data Interchange. Data can remotely be transmitted from one
computer to another. The transmission is often effected via modem and
PPP protocol.

DNS:

Domain Name System is a service being used for transcribing domain
names into IP addresses .

Domain

Name:

The domain is the name of an internet page (for example: insys-tec). It con-
sists of the name and an extension (Top Level Domain such as .de), for ex-
ample insys-tec.de.

Firewall:

Network rules in particular locking data packets to certain senders or desti-
nations.

Gateway:

This is a machine working like a router. Contrary to the router a gateway is
able to route data packets of different hardware networks, too.

GPRS:

The General Packet Radio Service is a further development of the GSM mo-
bile network in order to obtain higher transmission rates.