No Sound During Intercom/Playback
Possible Causes
- Device malfunction
- Network issues
Troubleshooting Steps
1) Adjust Mobile Audio Settings
- Check the volume settings on your mobile device. Ensure the volume is appropriately set and not muted or turned off.
2) Restart the Device
- Try restarting your surveillance equipment (e.g., NVR) and related network devices to reload audio drivers and settings.
3) Activate Manual Alarm
- Ask the customer if they can hear the alarm sound. If there is no sound, it indicates a hardware issue (microphone and speaker).
4) Contact Technical Support
- If the above steps do not resolve the issue, please contact our technical support team. Provide them with the device model and a description of the problem.
Additional Tips
- Ensure that all connections are secure and cables are in good condition.
- Verify that the firmware of your devices is up to date.
If you have any further questions or need additional assistance, feel free to reach out to our support team.