This number called our business and once answered, remained connected with no response but dead air from caller for 10 seconds.
Call disconnected automatically.

Likely to have been a test / robo call for a telemarketer or scammer to check our number was active.

Caller: Amplifon

Company called Amplifon wanting to book people for hearing checks..not necessarily a scam but not sure how they get their numbers...

Caller: Scammers

Said they were from the hearing sector and it was time to get my hearing checked

hang up straight away likely scammer

I answered, however they immediately hung up.

Likely scam - didn't leave a message

unsolicited call from 03 --likely scam