Unable to hear audio during an ADC-VDB755P doorbell call

How To
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There are several possible reasons why audio issues may be experienced during a call between the Customer website and the ADC-VDB755P.

If unable to hear audio from the Alarm.com mobile app

Verify the app settings and permissions

  1. Verify the app is updated to the most recent version.
  2. In Video Device Info, verify that the Call Volume slider is all the way to the right.

To adjust the Call Volume using the Alarm.com website:

1. Log into the Alarm.com website. 2. Click **Video**. 3. Click **Settings**. 4. Using the **Video Device** dropdown menu, select the desired video device. 5. Click **Video Device Info**. 6. Use the *Call Volume* slider to adjust the doorbell call volume. 7. Click**Save**.

To adjust the Call Volume using the Alarm.com mobile app:

1. Log into the Mobile app. 2. Tap **Doorbell Camera**. 3. Tap **Configure**. 4. Use the *Call Volume slider* to adjust the doorbell call volume. 5. Tap **Check**.
### Verify the mobile device settings
  1. Verify that the media volume on the mobile device is not muted and the sound is turned up.
  2. Verify that the app has access to the mobile device’s microphone.
  3. Verify that the mobile device does not have any Do Not Disturb settings enabled.
  4. Verify the phone is on its most current OS version.
  5. Test other apps for audio functionality.

Test different audio outputs

  1. Listen for sound out of the device’s speaker as well as with headphones to determine if the issue to related to one of these.
  2. On another mobile device, test hearing audio in the Customer app.
  3. Download a clip to see if both voices can be heard.

If unable to hear audio from the VDB755P

Verify the mobile device settings

  1. Verify that the Alarm.com app has access to the mobile device’s microphone or test Two-Way Audio on another device.
  2. Verify that the app user has pressed the talk button.

Test different audio outputs

Download a clip to see if both voices can be heard.

Additional troubleshooting

Reduce video quality

Test lowering the resolution and quality to minimize bandwidth usage.

Verify the power requirements for the device are met

Verify the VDB755P is receiving the correct power.

Factory reset the device

Delete, factory reset, and re-enroll the VDB755P