windows mobile下，通过tapi实现的来电转接程序-Programatically forwarding calls using TAPI

February 9, 2009, 12:59 am

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Recently one of my friend asked me how to forward calls using the USSD commands. This link describes how to forward calls using USSD codes. I tried a lot using my previous article code but ended up with no success. The USSD command are sending successfully but always the result is “UNKNOWN APPLICATION”. Then I decided to work on a sample using the TAPI API lineForward.



The lineForward API is used to programatically forward calls. The syntax of the API is defined as:



LONG WINAPI lineForward(HLINE hLine,DWORD bAllAddresses,DWORD dwAddressID,LPLINEFORWARDLIST const lpForwardList,DWORD dwNumRingsNoAnswer,LPHCALL lphConsultCall,LPLINECALLPARAMS const lpCallParams)



The first parameter is the handle to the line (Cellular Line), second a boolean value indicating all originating addresses of the line or a single address of the line. Third is the address id of the line. Fourth is a po