1823 VoIP Gateway User’s Guide
Appendix C: GLOSSARY
100BaseT:
A 100 Mbps Ethernet standard that uses twisted-pair wiring.
10BaseT:
A 10 Mbps Ethernet standard that uses twisted-pair wiring.
Arp:
Address Resolution Protocol.
Address:
The symbol (usually numeric) identifying an interface attached to a network.
ASCII:
American Standard Code for Information Interchange.
Bandwidth:
The range of frequencies of a transmission channel. The wider the range the higher the data
rate that can be sent. Hence, bandwidth is also taken to mean the data rate.
Baud:
One baud is one symbol (state-transition or level-transition) per second.
Bit:
A binary digit, with the value of –0 or –1.
Boot:
Start a device.
Bps:
Bits per second. The speed at which bits are transmitted across a data connection.
Bridge:
A device that links local or remote area networks together, forwarding packets based on a MAC
address (compare with router).
Broadband:
Communication channels operating at transmission rates in excess of 64 Kbps.
Broadcast:
The simultaneous transmission to two or more communication devices.
Byte:
Eight bits arranged in sequence
CHAP:
Challenge-Handshake Authentication Protocol. A PPP protocol to ensure authentication of the
connection between two devices.
CPE:
Customer Premises Equipment. Equipment used by the end-user.
DHCP server:
A server that dynamically allocates network addresses and delivers configuration
parameters to hosts.
DHCP:
Dynamic Host Configuration Protocol. A TCP/IP protocol that enables a network connected to the
Internet to automatically assign a temporary IP address to a host when the host connects to the network.
DNS:
Domain Name Server. A server that retains the addresses and routing information for TCP/IP PAT
users.
Download:
To receive a file over a network (compare with upload).
DSP:
Digital Signal Processor. The microprocessor that handles line signaling in a modem.
DTE:
Data Terminal Equipment. Equipment that transmits or receives data in the form of digital signals.
Dynamic detection:
A process of a automatic detection of a new device added or removed from the PC.
Ethernet address:
Another name for MAC address.
Ethernet:
A standard protocol (IEEE 802.3) for a 10-Mb/s baseband local area network (PAT) bus that
supports high-speed communication among systems. It operates at the Physical Layer of the OSI Model.
ETSI:
European Telecommunications Standards Institute.
46 May 2005 1823-A2-GB20-00
