How can I listen or record phone calls on the phone, I have vonage?

Question

How can I listen or record phone calls on the phone, I have vonage?

Answer 1

To record phone conversations, you need a device that hooks up to your phone (can be gotten at places like Radio Shack)...

I am not aware of a device that lets you listen in on other people's conversation unless you use the device I mentioned above, or tap the phone itself (much more expensive)...