COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018
1043
Glossary
Terminology
Extension
Internal connections of a PBX together with the devices, e. g. phones and
telefaxes, connected to them.
F
Firewall
Network security component that uses a set of security rules to protect a
computer network or an individual computer against unauthorised access to
or from the network.
Firmware
Operating software on the phone or PBX that is stored in the device itself.
The device cannot function without firmware.
Flash
Storage device (e. g. a USB memory stick) for the non-volatile storage of
data within a minimum of space without permanent power supply.
