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COMmander 6000/R/RX - Firmware V7.0D - Advanced Information V19 04/2018
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
Dynamic Host Configuration Protocol - client/server protocol for dynamically
allocating IP addresses and network parameters. The IP addresses are
requested by the DHCP clients (PCs in the network) on the DHCP server
(for example, a router or the Internet service provider). The DHCP server