Mitel 5320 Reference Manual page 124

a set of entries, which describe what action, the system should take based on the initial
digits dialed (such as external call for "9")
DSL
Digital Subscriber Loop. This is a digital connection to a subscriber (usually high speed).
DSLAM
Digital Subscriber Loop Access Multiplexor. This is the device that multiplexes a set of
DSL lines together.
FTP
File Transfer Protocol. This is a protocol to allow transfer of files (such as the software
loads for IP phones) over a network.
Gateway
the device connecting the IP LAN to the public telephone network. The gateway contains
slots that contain ports that connect to the public telephone network over PRI groups.
ICMP
Internet Control Messaging Protocol. This is a protocol that allows the Ping command.
media server
a device used to store and play auto attendant greetings, announcements and prompts
for users of the networkWCS Hosted PBX system.
MIB
Management Information Base. This is a logical database made up of configuration,
status and statistical information. It is transmitted using the SNMP protocol.
NMS
Network Management System (or Station). This is a system used to remotely monitor all
components of a network. The most common protocol used by an NMS to communicate
with its network components is SNMP.
NOC
Network Operations Center. This is typically a location where the service provider's NMS
is running.
NPA
Numbering Plan Area. This is a 3 digit code also known as the Area Code
PRI
Primary Rate ISDN. This is a service that provides 23 digital voice channels plus 1
signaling channel on a standard T1 interface in a telephone network.
PRI Group
118 Glossary of Terms