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Glossary
Gigaset N720 DECT IP Multicell System / engbt / A31008-M2314-L101-6-7619 / Glossary.fm / 29.08.2016
Version 2, 06.08.2010
DSLAM
Digital Subscriber Line Access Multiplexer
The DSLAM is a switch cabinet in an exchange where all subscriber connectors
converge.
DTMF
Dual Tone Multi-Frequency
Dual tone multi-frequency dialling (DTMF).
Dynamic IP address
A dynamic IP address is assigned to a network component automatically via DHCP.
The dynamic IP address for a network component can change every time it registers or
at certain time intervals.
See also: Static IP address.
DynDNS
Dynamic DNS
Domain names and IP addresses are assigned via DNS. For Dynamic IP addresses this
service is enhanced with "Dynamic DNS". This permits the use of a network component
with a dynamic IP address as a Server on the Internet. DynDNS ensures that a service
can always be addressed on the Internet under the same Domain name, regardless of
the current IP address.
E
ECT
Explicit Call Transfer
Participant A calls participant B. The participant puts the connection on hold and calls
participant C. Rather than connect everyone in a three-party conference, A now
transfers participant B to C and hangs up.
EEPROM
Electrically Erasable Programmable Read Only Memory
Memory building block in your phone with fixed data (e.g., default and customised
settings) and data saved automatically (e.g., call list entries).
Ethernet network
Wired LAN.
F
Firewall
You can use a firewall to protect your network against unauthorised external access.
This involves combining various measures and technologies (hardware and/or
software) to control the flow of data between a private network you wish to protect
and an unprotected network (e.g., the Internet).
See also: NAT.
Firmware
Device software in which basic information is saved for the functioning of a device. To
correct errors or update the device software, a new version of the firmware can be
loaded into the device's memory (firmware update).
Flat rate
Billing system for an Internet connection. The Internet provider charges a set monthly
fee. There are no additional charges for the duration of the connection or number of
connections.
