idinio 140110 Bedienungsanleitung Seite 12

Communicate with one-way audio.
8. To communicate between doorbell and phone you must ensure that the
speaker icon is turned on. To talk back, you have to hold the microphone
button until it turns blue. When the icon is blue you can start talking.
As long as the microphone icon is blue you can talk. To stop talking press
microphone icon again (It will turn back to a black colour).
8. 8.