yeah you can get MP3 recorders and wav recorders easily on the internet, you just need to hook your phone up to your PC and record it. I recommend AVS Audio Tools as being free and easy to use.
As for connecting your phone to your PC, there'll either be a headphone socket on it or you'll have to borrow a microphone from someone, or get a cheap one from Radio Shack or something,
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Please replace the handset, and try again.