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Glossary of Terms
ATA:
Analog Telephone Adapter. A device that acts as a bridge between an analog
telephone and a network, making VoIP possible. ATA’s have an RJ-11 jack for connec-
tion to the telephone or other analog device and an RJ-45 jack for connection to the net-
work.
DHCP:
Dynamic Host Configuration Protocol. This is the set of rules by which a net-
work server automatically assigns an IP Address to a Host. Additional details of the con-
figuration, including Subnet Mask and Default Gateway are relayed to the host as well.
DNS Server:
A DNS (Domain Name System) server converts a domain name (viking-
electronics.com) into an IP address.
Default Gateway: A device that routes network traffic between different Subnets or
networks. This is one of the pieces of information needed to manually set an IP Address.
Dynamic IP Address:
An address supplied by a DHCP Server. This type of address
is assigned a Lease which can expire if the address is not used within the period of the
lease.
Ethernet:
Ihe most commonly used LAN technology. An ethernet Local Area Network
typically uses coaxial cable or twisted pair wires to achieve transmission speeds up to
1Gb or more.
FXO:
An FXO port acts like an analog trunk port. It receives talk battery and ring volt-
age, and provides on hook/off hook indication. It could have an analog phone line
plugged into it, or a Viking product that is designed to be connected to a spare analog
trunk port.
FXS:
An FXS port is like a station port on an analog phone system. It provides talk bat-
tery, dial tone, and ring voltage. Analog telephone equipment like phones and fax
machines can be plugged into an FXS port.
Hardware Address:
See MAC Address
Host:
A computer or device connected to a network.
Internet:
A worldwide system of computer networks running on the IP protocol which
can be accessed by individual computers or networks.
IP:
Internet Protocol is the set of communications conventions that govern the way com-
puters communicate on networks and on the Internet.
IP Address:
This is the address that uniquely identifies a Host (computer or device) on
a network.
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