>>I have an app. to build ,which has to read a telephone number & get the data for that specific client whose phone number will appear on the screen. The problem is that i don't know how to get the program to read the number, directly as soon as phone rings. If anybody knows i'll be very grateful.
>>Thank u.
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>This is not a legit answer but to give you a glimpse:
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>Most probably, you will be needing C language for this because that's what the PABX sytem programmer did in one of our Hotel System. The objective their is, whenever the room is vacated, and after it was cleaned up by the Housekeeping, they dial an assigned phone number to update the room status. No user intervention so to speak.
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>ActiveX control would also be an alternative if you're not comfortable with C yet.

TAPI, Caller ID services and an ActiveX that triggers once thje CallerID information becomes available is probably the best generic route, and avoids the hardware dependency issues that arise from direct manipulation if the hardware surfaces TAPI services.