Buy Advanced Call Center (disabled) $39.95 (as at Jan 2005)
Advanced Call Center turns your computer into a technologically advanced answering machine. All the features you'd expect are supported. It will catalog all incoming calls with Caller ID information, display a pop-up message and play a personal ring tune for each of your callers, and even announce caller's name and number with voice.
This retail version optionally includes a box with CD-ROM and printed installation instructions.
