Hi Jeff, The easiest way is to connect the CALLER ID to the telephone unit that you have and dial the numbers. This is the cheapest and the best :-) I did my testing this way and now the unit is in production. Regards Pailoor Jeff Webster wrote: > Greetings all, > I am working on a PIC-based caller id adjunct unit. I am nearing the > point of preliminary testing. Does anyone have a caller id simulator > that they would be willing to part with, or know where one could be > found at experimenter's prices? > > Thanks and Happy New Year! > Jeff W