My phone rings but I can't hear anyone and they can't hear me.

Hi imurphy7,

Welcome to the Apple Community.

You might need to check iPhone settings for "Do Not Disturb: or "mute".

Apple support has articles online that may help:

Adjust the volume on iPhone – Apple Support

If your iPhone is stuck in headphone mode - Apple Support

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More trouble-shooting tips:

If the microphones on your iPhone aren't working – Apple Support

If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker - Apple Support

If you can't make or receive calls on your iPhone - Apple Support

Something else to check:

Adjust the mono audio, balance, and phone noise cancellation settings on iPhone – Apple Support

If you still need a solution:

(1) Try checking with your carrier.

(2) Contact Apple Support: Contact Apple for support and service - Apple Support

All the best :-)

You're welcome!

Thank you for checking through the possibilities first.

Cheers :-)