FRITZ!Box 7581 Service - Knowledge Base
AVM Content
- FRITZ!Box 7590
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- FRITZ!Box 7582
- FRITZ!Box 7560
- FRITZ!Box 7530
- FRITZ!Box 7490
- FRITZ!Box 7430
- FRITZ!Box 7390
- FRITZ!Box 7369
- FRITZ!Box 7360
- FRITZ!Box 7340
- FRITZ!Box 7330
- FRITZ!Box 7272
- FRITZ!Box 6890 LTE
Number of telephony and DECT devices that can be used with the FRITZ!Box
You can use different types of telephony devices, for example telephones, fax devices, answering machines, or PBXs, with the FRITZ!Box. Your line type determines how many devices can be used.
1 DECT devices
The following DECT devices can be registered with the FRITZ!Box at the same time:
- six cordless telephones, for example FRITZ!Fon C5
- six DECT repeaters, for example FRITZ!DECT Repeater 100
- twelve radiator controls, for example FRITZ!DECT 300
- ten switchable sockets, for example FRITZ!DECT 210
- ten FRITZ!DECT smart buttons
- ten smart home sensors from other manufacturers, for example Wondrwall
2 IP telephones and IP door intercom systems
You can register a maximum of ten IP telephones (for example FRITZ!App Fon) or IP door intercom systems with the FRITZ!Box.
3 Analog devices
The FRITZ!Box has four ports for analog devices; you can use two of them, for example for a telephone, fax machine, and/or door intercom. One "FON 1" socket and one "FON 2" socket must stay free (not allocated):
- "FON 1" and "FON 2" for devices with an RJ11 plug
- "FON 1" and "FON 2" for devices with a TAE plug
4 Integrated answering machine and fax function
You can use the FRITZ!Box as a fax and answering machine, without having to connect any additional devices. The FRITZ!Box can be used to send and receive faxes and you can configure up to five different answering machines.