How to make a rotary phone work with cable company phone system?

I recently bought a rotary phone from a thrift shop. It has the standard phone jack cable so I figured it would work with my phone system at home. I plugged it in and it gets a dial tone and calls come through but I can't dial out. No matter what I dial it says that I should check the number and dial again or... show more I recently bought a rotary phone from a thrift shop. It has the standard phone jack cable so I figured it would work with my phone system at home. I plugged it in and it gets a dial tone and calls come through but I can't dial out. No matter what I dial it says that I should check the number and dial again or call the operator. What can I do to make it possible to dial out?
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