with the smallest number of node points (routers).
MFC
See Multifrequency code dialling method.
MFV
See Multifrequency code dialling method.
MIB
The Management Information Base (MIB) describes the data that
can be queried or modified via a network management protocol (e.
g. SNMP). The MIB is a database that describes all the devices and
functions in the network.
MLP
The Multicast Listener Discovery (MLD) is used in IPv6 networks to
organise multicast groups.
Mobile subscriber
If the mobile subscriber is enabled, an external telephone, e. g. a
mobile phone can be called in parallel (parallel calling). The sys-
tem's functions, e. g. callback, can also be used externally. For
these functions, the external telephone's star key is interpreted as
the R key.
Modem
A modem is an electronic device that converts digital signals to fre-
quency signals in order to distribute data in a wired or wireless net-
work.
MOH
See Music on hold.
MPDU
The MAC Protocol Data Unit (MPDU) refers to a data packet, includ-
ing management frames and fragmented MSDUs, exchanged wire-
lessly.
MPPC
Microsoft Point-to-Point Compression (MPPC) is a method of data
compression.
MPPE
Microsoft Point-To-Point Encryption (MPPE) is used to encrypt data
transmitted via PPP. It was developed by Microsoft and Cisco and
specified as RFC 3078.
MS-CHAP
The Microsoft Challenge Handshake Authentication Protocol
(MS-CHAP) is a method of authentication. MS-CHAPv1 is intended
for authenticating DCN connections and is largely the same as the
standard CHAP. MS-CHAPv2 is an authentication method for PPTP
connections (VPN).
MSDU
A MAC Service Data Unit (MSDU) is a data packet that is ex-
changed at LLC level.
MSN
See Multiple subscriber number
Glossary
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