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Glossary
Gigaset DE900 IP PRO / en / A31008-M2210-R101-3x-7619 / glossary.fm / 22.03.2011
Version 2, 27.05.2010
Consultation call
You are on a call. With a consultation call, you interrupt the conversation briefly to
establish a second connection to another participant. If you end the connection to this
participant immediately, then this was a consultation call. If you switch to and fro
between the first and second participants, it is called call swapping.
CW
Call waiting
See Call waiting.
D
DHCP
Dynamic Host Configuration Protocol
Internet protocol that regulates the automatic assignment of IP addresses to network
subscribers. The protocol is made available in the network by a server. A DHCP server
can, for example, be a router.
The phone contains a DHCP client. A router that contains a DHCP server can assign the
IP addresses for the phone automatically from a defined address block. This dynamic
assignment means that several network subscribers can share one IP address,
although they use it alternately and not simultaneously.
With some routers you can specify that the IP address for the phone is never changed.
Displayed name
VoIP provider feature. You can specify any name that is to be shown to the other party
during a call instead of your phone number.
DMZ (Demilitarised Zone)
DMZ describes a part of a network that is outside the firewall.
A DMZ is set up, as it were, between a network you want to protect (e.g., a LAN) and a
non-secure network (e.g., the Internet). A DMZ permits unrestricted access from the
Internet to only one or a few network components, while the other network compo-
nents remain secure behind the firewall.
DNS
Domain Name System
Hierarchical system that permits the assignment of IP addresses to domain names
that are easier to remember. This assignment has to be managed by a local DNS server
in each (W)LAN. The local DNS server determines the IP address, if necessary by
enquiring about superordinate DNS servers and other local DNS servers on the Inter-
net.
You can specify the IP address of the primary/secondary DNS server.
See also: DynDNS.
Domain name
Name of one (several) Web server(s) on the Internet (e.g., www.gigaset.com). The
domain name is assigned to the relevant IP address by DNS.
DSCP
Differentiated Service Code Point
See Quality of Service (QoS).
