Operation Manual

Connecting an IP Telephone
FRITZ!Box 7430 51
Assigning Telephone Numbers
Assign telephone numbers to the smartphone for calls over
the FRITZ!Box:
1. In the FRITZ!App Fon select “More / FRITZ!Box”.
The “Telephony device” display shows the name used to
register the smartphone with the FRITZ!Box.
2. Configure the smartphone in the FRITZ!Box; see page 53.
10.3 Connecting an IP Telephone
An IP telephone is a telephone with which you can make tele-
phone calls over the Internet.
You can also connect an IP telephone directly to the Internet
connection without a telephone system (FRITZ!Box). This is
not possible with other telephones.
Connecting via LAN or Wireless LAN
1. Connect the IP telephone to the FRITZ!Box using a net-
work cable or wireless LAN.
The preconfigured wireless network key of the FRITZ!Box
is printed on the underside of the FRITZ!Box.
2. Configure the IP telephone in the FRITZ!Box; see
page 53.
10.4 Connecting a Door Intercom System
Door intercom systems with an a/b interface can be connect-
ed to the FRITZ!Box.
Read more in the FRITZ!Box Help:
1. Open the FRITZ!Box user interface; see page 28.
2. Click the Help button .
3. Enter “door intercom system” in the search field.