Scroll down to App permission select Microphone.

Zoom meeting by phone no audio. Click Yes to continue to the microphone test. Your meeting will then start with only audio freeing up bandwidth. Make sure Speaker is ON.

From there you can change what you need for you Microphone. If you dont hear the ringtone use the drop-down menu or click No to switch speakers until you hear the ringtone. Check the audio settings in Zoom.

Then go to Audio. Click the up arrow next to Audio Settings then Switch to Phone Audio. If you see the following Audio icon in the meeting controls tap it and select Call via Device Audio.

That is because Zoom doesnt use your phones Stereo Speakers it uses the Mono Speakerphone with a Mic along with a camera. If your device is connected to a headphone or speaker via Bluetooth. Enabling 3rd Party Audio.

Enabling option to preserve original sound. If prompted allow Zoom to access your microphone. A common reason why the sound doesnt work in Zoom is because of your smartphones sound and volume settings.

Zoom Rooms is the original software-based conference room solution used around the world in board conference huddle and training rooms as well as executive offices and classrooms. If the volume on your device is turned down or turned off you will not be able to hear the other participants during a Zoom meeting. Your audio will start recording.