Parents,Bridesmaids A XXX Parody grandparents and technology are a combination that never fails to deliver.

A couple of weeks ago we had the mum who hadn't quite got the hang of WhatsApp, and now we have something even more glorious -- a grandmother who definitely isn't familiar with the concept of voicemail.

"My grandma tried to ring my mum and I don't think she understands how voicemail works," wrote Matt Nugent on Twitter.

His video has since been retweeted over 700 times.

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Oh dear.