ISDN PBXs on FRITZ!Box Fon WLAN
5 Configuring FRITZ!Box Fon WLAN for Telephone Connections
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5.5
ISDN PBXs on FRITZ!Box Fon WLAN
ISDN PBXs can be connected to the ISDN S
0
port “FON S
0
” of
the FRITZ!Box Fon WLAN.
The following ISDN services are supported for Internet tele-
phony:
voice, telephony, audio 3.1 and fax G2/G3.
All other ISDN features are supported on the ISDN line. Out-
going connections with these ISDN service indicators are au-
tomatically routed via the ISDN line.
When PBXs are connected, only the ISDN BRI (basic rate in-
terface) is supported.
1.
If not all of your MSNs have been configured in the PBX,
enter our MSNs now. The MSNs must match the num-
bers registered in the FRITZ!Box Fon WLAN. In the “Tele-
phony / ISDN Devices” menu, all of the numbers regis-
tered in the FRITZ!Box Fon WLAN are displayed in the
“Existing Numbers” list.
2.
If you want to use Internet telephony, the Internet num-
bers must be set up in the ISDN PBX. The Internet num-
bers are then assigned to the extensions of the PBX as
outgoing numbers.
See the documentation of your ISDN PBX for instructions on
setting up MSNs.
5.6
Dialing Rules for Internet and Fixed-Line
Telephony
Dialing rules specify when calls are conducted on the fixed-
line network, and when they take place over the Internet.
Perform the following steps to define dialing rules:
1.
Start a web browser.
2.
Enter
fritz.box
in the address field.
3.
Select the “Settings” menu.
