COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018
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Glossary
Terminology
D
D-Channel
Delta channel) - ISDN channel for the transportation of signalling infor-
mation between end device and public exchange.
DDI
Direct Dial In - extension number for dialling directly to a specific subscriber
on a phone system. Example: In the number 0 53 06 / 92 00 - 700, 700 is
the Direct Dial In number (DDI) for the Auerswald info-line.
DECT
Digital Enhanced Cordless Telecommunications (previously Digital
European Cordless Telephony) - a standard for digital cordless phones and
data transmission (also see
). Auerswald DECT systems provide
encrypted transmission between mobile handset and base station.
DHCP
The IP address is temporarily allocated for a certain amount of time. If the
address is no longer required by the client, the server has access to it again
and can allocate it to another client.
