Question about Gigaset Comfort 500 A Duo (CH-Version)

Yes, you can add more phones to the Gigaset Comfort 500 A Duo (CH-Version). This model supports up to 6 handsets in total, including those already supplied with the base station.

Gigaset models compatible for expansion are usually those from the same DECT range, but it is recommended to check specific compatibility with the manufacturer to avoid any problems. In general, handsets from the Comfort 500 A series are compatible, but it is always best to check the manufacturer's specifications for definitive confirmation.