CIDMage 

CIDMage - the first commercially-available all-software solution to the problem of generating your own custom Caller ID signals! Generates high-quality SDMF, MDMF, CWCID and more!
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S.O.B. Caller ID Generator 

SOB - The First Practical Caller ID Generator for Windows - generates several flavours of North American Caller ID, outputs to sound card or WAV file. Check out the totally redesigned user interface!
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