Q: iphone5 i cannot hear any outgoing calls or tones

Hello ian travers,

Thanks for using Apple Support Communities.

If you're having an issue with being able to hear a caller on your iPhone, then I'd like you to please follow the directions in the article linked to below to troubleshoot the receiver on your iPhone.

If you can't hear a person on a call or voicemail or if the sound quality is poor on iPhone - Apple Support

Have a great weekend,

Alex H.