You can use your mobile device’s microphone and the camera’s built-in speaker to talk to someone where the camera is installed. You can either tap and hold to talk or tap once to talk alternatively with the other party.
Tap and hold to talk
1.
View live images from the desired camera.
2.
Tap and hold .
•
The audio from your mobile device’s microphone is played through the camera’s speaker until you release your finger.
•
Talk in turns with the other party. (While you are talking to the camera, you will not be able to hear audio from the camera’s microphone.)