Operation Manual

FRITZ!Box Fon WLAN 7570 vDSL 154
Glossary
Update A more recent version of software or firmware is called an
update. Updates are often free of charge, resolve minor
programming errors, and sometimes also offer new func-
tions.
Upload This term designates the procedure of transmitting files
from one’s own computer to another computer in the Inter-
net.
UPnP abbreviation for Universal Plug and Play (UPnP)
UPnP is an extension of the Microsoft Plug & Play standard
that allows devices to network globally and to exchange
services—without a central server or computer.
UPnP allows devices from all kinds of manufacturers (ster-
eo systems, routers, printers, house controls) to be con-
trolled via an IP-based network, with or without central con-
trol through a gateway. It is based on a number of standard-
ized network protocols and data formats. Expressed sim-
plistically, devices can communicate with each other using
UPnP to exchange information.
Today the UPnP forum specifies the UPnP standard and cer-
tifies devices that are compliant with the standard.
VoIP abbreviation for Voice over IP, also known as Internet tele-
phony
Voice over IP makes telephone calls possible via the Inter-
net. The technology has already been in use for years, but
today it allows even private customers the convenience fa-
miliar from conventional telephony, usually at significantly
lower prices. VoIP has also made it considerably more con-
venient to use applications like conference calls and an-
swering machines in networks. Added to this are global ac-
cessibility under a single telephone number and new VoIP
features like the Buddy List known from chat rooms.
Internet telephony used to be possible only with a headset
connected to the computers of the callers and their conver-
sation partners. Today voice connections via the Internet,
even to fixed-line and mobile networks, can be conducted
conveniently using VoIP telephone systems that allow