Siemens Gigaset A580 User Manual page 176

DTMF
Dual Tone Multi-Frequency
Another description for dual tone multi-frequency dialing (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.
£
Static IP address
DynDNS
Dynamic DNS
Domain names and IP addresses are assigned via DNS. For
addresses
a network component with a dynamic IP address as a
DynDNS ensures that a service can always be addressed on the Internet at the
same Domain
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 confer-
ence, 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 custom-
ized settings) and data saved automatically (e.g. entries to the list of callers).
Ethernet network
Wired LAN.
F
Firewall You can use a firewall to protect your network against unauthorized external
access. This involves combining various measures and technologies (hard 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).
£
NAT.
Firmware Software for a device in which basic information is stored for the device's func-
tion. 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
monthly fee. There are no additional charges for the duration of the connection
or number of connections.
Fragmentation
Data packets that are too big are split into smaller packets (fragments) before
they are transferred. They are put together again when they reach the recipient
(defragmented).
this service is enhanced with "DynamicDNS". This permits the use of
name, regardless of the current IP address.
Internet connection. The Internet provider charges a set
Glossary
Dynamic IP
Server on the Internet.
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