How Does Internet Telephony Work?
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FRITZ!Box Fon 5124 – 6 Configuring FRITZ!Box Fon for Telephone Connections
Telephony Scenarios
If you have configured both a fixed-line number and an Inter-
net number in FRITZ!Box Fon, you can make calls in all direc-
tions:
z
from the fixed-line network into the fixed-line network
z
from the Internet into the fixed-line network
z
from the Internet into the Internet
and receive calls from all directions as well.
Bandwidth Management with FRITZ!Box Fon
FRITZ!Box Fon is equipped with integrated bandwidth man-
agement. This function ensures that the speech quality dur-
ing telephone calls over the Internet is not reduced by surf-
ing activity. FRITZ!Box Fon adjusts all uploads and down-
loads to the currently available bandwidth. Because
FRITZ!Box Fon also places a higher priority on Internet tele-
phony connections than Internet data connections, unwel-
come interference is largely avoided. However, this is also
true for Internet telephony: once the conversation capacity
has been reached, the remote site will receive a busy signal.
