Allied Telesis AT-VP504E FXS User Manual page 20

Appendix A - Glossary
CC Acronym for Country Code.
Dual-Tone Multi-
Frequency (DTMF)
Dynamic Host
Configuration
Protocol (DHCP)
Flash-Hook Quickly depressing and releasing the plunger in or the actual handset-
FXS Line Foreign Exchange Service/Station. A network-provided service in
Gateway A device that links two different types of networks that use different
AT-VP504E FXS
In international direct telephone dialing, a code that consists
1.
of 1-, 2-, or 3-digit numbers in which the first digit designates
the region and succeeding digits, if any, designate the
country.
In international record carrier transmissions, a code
2.
consisting of 2- or 3-letter abbreviations of the country
names, or 2- or 3-digit numbers that represent the country
names, that follow the geographical place names.
In telephone systems, multi-frequency signaling in which a standard
set combinations of two specific voice band frequencies, one from a
group of four low frequencies and the other from a group of four higher
frequencies, are used. Although some military telephones have 16
keys, telephones using DTMF usually have 12 keys. Each key
corresponds to a different pair of frequencies. Each pair of frequencies
corresponds to one of the ten decimal digits, or to the symbol "#" or "*",
the "*" being reserved for special purposes.
TCP/IP protocol that enables PCs and workstations to get temporary
or permanent IP addresses (out of a pool) from centrally-administered
servers.
cradle to create a signal to a PBX or Centrex that special instructions
will follow such as transferring the call to another extension.
which a telephone in a given local exchange area is connected, via a
private line, to a central office in another, i.e., "foreign", exchange,
rather than the local exchange area's central office. A FXS line is
normally connected to a standard telephone, fax or modem.
protocols (for example, between the packet network and the Public
Switched Telephone Network).
IP Acronym for Internet Protocol. The IP protocol is a standard describing
software that keeps track of the Internet's addresses for different
nodes, routes outgoing messages, and recognises incoming
messages.
User's Manual (SIP/MGCP Version)
16