ocr: On-Line Tutorial In order to validate you as a user on this BBS, the SysOp requires that one of your phone numbers MUST be verified. This program is used to do this. Verifying your phone number is accomplished by having the Sys0p's computer actually call YOUR computer. If you have not used a Call Back Door before, it is not hard. We are going to simulate the Call Back procedure sO that you are ramiliar with it. Remember, this is just a simulation!
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