134
Glossary
Using a Virtual Private Network it is possible to use all net-
work applications of the company network even from distant
locations. This means it is possible to use the advantages of
the network even over large geographical distances.
VPN facilitates optimum information flow without delay
throughout the entire company, even to offices in other loca-
tions. E-mail servers, file sharing and other central applica-
tions of the company network can thus be made available via
VPN even to distant branch offices, subsidiaries and home of-
fices. With VPN, field representatives of a company can also
be granted secure access to the company network.
VoIP
short for for Voice over IP, also known as Internet telephony
Voice over IP makes telephone calls possible via the Internet.
The technology has already been in use for years, but today
VoIP allows even private customers the convenience familiar
from conventional telephony – usually at significantly lower
prices. VoIP also makes it considerably more convenient to
use applications like conference calls and answering ma-
chines in networks – and does so more conveniently, inde-
pendent of the user’s location. Further advantages include
global availability at a single telephone number, and new
standards for voice quality.
Internet telephony used to be possible only with a headset
and microphone connected to the computer. Today VoIP tele-
communications systems allow calls to made over the Inter-
net using existing telephony devices. The computer can stay
switched off.
Calls from the Internet are possible to and from the fixed-line
network and mobile networks. Various Internet Service Pro-
viders and telephony carriers provide SIP-fixed-line gateways
for this purpose. The gateways are used to produce voice con-
nections between the Internet and conventional telephone
networks.
In principle, VoIP calls can be made over any Internet connec-
tion. However, for convenient use with existing terminal de-
vices, and for conversations with the fixed-line and mobile
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Summary of Contents for FRITZ!Box 6320 Cable
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