Mitel MiVOICE BUSINESS, Engineering Manualline

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Mbps – MegaBits Per Second. Million bits per second is a measure of bandwidth on a
telecommunications medium. May also be written as Mbits/s or Mb/s. Mbps is not to be confused
with MBps (megabytes per second).
MFRD – Mitel Feature Resources Dimensions. This is a definition of the number of features
that can be used on a particular unit.
MHz – Mega Hertz . Frequency measurement.
MiNet – Mitel Network Protocol. This is Mitel’s proprietary stimulus-based protocol that is
used to signal between phones and controllers, for example key and display information.
MiTAI – Mitel Telephony Application Interface. This Mitel implementation of TAPI is used to
connect to external applications, e.g. ACD controllers.
Mitel OIG – Mitel Open Integration Gateway.
MODEM – MOdulator-DEModulator. Device that converts digital and analog signals. At the
source, a modem converts digital signals to a form suitable for transmission over analog
communication facilities. At the destination, the analog signals are returned to their digital form.
Modems allow data to be transmitted over voice-grade telephone lines.
MOH – Music on Hold.
MSW – Mitel Sales Workbench.
MTBF – Mean Time Between Failures. The statistical time between expected component
failures.
MTU – Maximum Transmission Unit. An MTU is the largest size packet or frame, specified
in octets (eight-bit bytes), that can be sent in a packet- or frame-based network, such as the
Internet.
MWI – Message Waiting Indicator. A visual indicator in a telephone that indicates to the user
that a message is waiting.
NAT – Network Address Translation. A means of translating internal IP addresses to a defined
limited range of internet IP addresses. The benefit is the ability to use a limited range of internet
addresses and map these to a much larger internal range.
NIC – Network Interface Card. Physical connection to the network. In a PC, this is often a
plug-in card.
NSU – Network Services Unit. This interface connects between the PSTN Primary Rate trunks
and the ICP.
ONS – On-Premise Line. This is a two-wire analog telephony interface, within an office
environment, and not passed outside.
OPS – Off-Premise Line. This is a two-wire analog telephony interface, typically installed
external to a building, e.g. external shed or guard house.