The Gigaset DESK 800A is compatible with the Fritzbox 5490 when connected via the analogue telephone line. It is a wired landline telephone with an analogue connection that can be operated on the Fritzbox, but without using the VoIP functions of the Fritzbox. It is not designed for direct VoIP integration as it is not a VoIP telephone.

The Gigaset DESK 800A is a DECT base station with an analogue telephone connection and integrated answering machine. It is a wired telephone that is connected to an analogue telephone socket. If there are telephone sockets on different floors that are supplied by the Sunrise router, the DESK 800A can be operated at any of these analogue telephone sockets, even if the router is not located directly on the same floor. The prerequisite is that the telephone line on this floor is active and connected to the analogue connection of the Sunrise router. The telephone itself does not require a direct connection to the router, only an analogue telephone line. It is not a DECT handset that connects wirelessly to a base station, but a wired telephone that is connected to the telephone socket. To summarise: The Gigaset DESK 800A works with any analogue telephone socket that is supplied by the Sunrise router, even if the router is not on the same floor.

The Gigaset DESK 800A is supplied with a handset. The scope of delivery includes the desk phone, the stand, the mains adapter, the handset connection cable and the telephone connection cable.

To connect a Gigaset DESK 800A phone with a Jabra headset, you can use the built-in RJ-9 headset port on the phone. This will allow you to plug in a professional headset like the Jabra to keep your hands free during calls. Make sure that the Jabra headset is compatible with the RJ-9 port. For use with a Swisscom router, there are no particular restrictions on connecting several analogue telephone sets, but check that your router supports several analogue connections.

The Gigaset DESK 800A can be connected to and used with a FRITZBox, including the FRITZBox 7530 AX, but with some restrictions. - The telephone is a wired landline telephone and must be connected via an analogue telephone line, which is possible with the FRITZBox. - To use VoIP functions or an integrated configuration with the FRITZBox, specific settings must be made as described in the case of the Gigaset DX800a, but this does not apply directly to the DESK 800A as it is not a VoIP phone. Overall, the Gigaset DESK 800A can be operated via the analogue telephone line on the FRITZBox 7530 AX, but it does not use the specific VoIP functions of the FRITZBox.

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The phone has neither WLAN nor an Ethernet connection.

Technically, both products are identical. The difference may lie in the scope of delivery, as this model is also available in the EU market and the following item is only available in the CH market: Gigaset DESK 800A