Here are some troubleshooting steps you can try to get your iPhone SE (2nd generation) phone calls to play on your Bluetooth speakers:
- Make sure your Bluetooth speakers are turned on and paired with your iPhone.
- Restart your iPhone and your Bluetooth speakers.
- Try forgetting your Bluetooth speakers and pairing them with your iPhone again.
- Make sure that Call Audio Routing is set to Bluetooth Headset. Go to Settings > Accessibility > Touch > Call Audio Routing.
- Try increasing the volume of your Bluetooth speakers.
- Make sure that your Bluetooth speakers are within range of your iPhone.
- Try moving your Bluetooth speakers closer to your iPhone.
- Avoid using your Bluetooth speakers in areas with a lot of Bluetooth interference, such as near airports or microwave ovens.
- If you are using a Bluetooth speakerphone, make sure that it is properly positioned.
IIf none of the above steps resolve the issue, it is recommended to reach out to Apple Support or visit an authorized service center for further assistance. They can provide specific guidance based on your device model and iOS version.
or
Contact the manufacturer of your Bluetooth speakers for further assistance.