Expressions used in Everyday Spoken English in Social and Professional contexts
If you put someone on to something it means to draw someone's attention to something interesting or useful. If you put someone on to something you give someone information or make someone aware of something or somebody that they did not have information about before. If you say someone is putting you on it can mean that you are worried someone is misleading, tricking or teasing you particularly in order to make a joke. If you're on a phone call and wish to transfer the person you are talking to somebody else you can say 'I'll put you on to Jack, he can help you with your problem.' To put someone in touch with somebody else means to help someone to communicate with somebody else by way of an introduction or by offering contact details.