DTMF Circuit

DTMF Circuit is just a call logger circuit : - It will be attached to analog telephone line monotring the outgoing & incoming calls and send them to PC serial comport (Date, Time, Duration) If the pc online and will store them in momory incase of offline. - Circuit will be capable to interface with multilines 3, 4 analog telephone lines. - Dialed numbers will be shown in LCD panel 2 lines and a time counter of the active call. - the circuit also will detect if the polarity reverse signal (16 KHz) has been activated. - Sample VB6 & VB.net polling data is required (Dll is a good idea otherwise cmscomm) More details will be adviced as soon as getting serious answers. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform win xp win 98