Do you call back or not?

[Jason Grote]

I recently sent out some direct mail letters and received a few calls while away from the phone. Two of them did not leave a message, but I saw the missed calls on the Caller ID. Do you call them back or just place them in the "unmotivated seller" category because they didn't leave a message?

Sounds silly, I know, but I want to hear what my fellow investor would do. Thanks in advance!