Call up and Ring up

Call up verb - Get or try to get into communication (with someone) by telephone.

Ring up is a synonym for call up in telephone topic. In some cases you can use "Ring up" instead a verb "Call up", when it comes to topics like activity, call, communicate through telephone system. popular alternative

Ring up verb - To make a telephone call to.

Call up is a synonym for ring up (British) in telephone topic. You can use "Call up" instead a verb "Ring up", if it concerns topics such as activity, call, communicate through telephone system. popular alternative