Specifications

Connecting ISDN PBXs
FRITZ!Box Fon WLAN 7270 29
Connecting an ISDN telephone to the FRITZ!Box
Connecting Use an ISDN cable to connect an ISDN telephone.
1. Connect one end of the ISDN cable with the ISDN
telephone.
2. Connect the other end of the ISDN cable with the
“FON S
0”
port of the FRITZ!Box.
3.11 Connecting ISDN PBXs
If you have an ISDN PBX, you can connect this PBX to the
FRITZ!Box. With the telephones connected to the PBX you
can make calls in the usual fashion.
Connecting an ISDN PBX to the FRITZ!Box
Connecting Use an ISDN cable to connect an ISDN PBX.
The ISDN PBX must support a point-to-multipoint line.
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