This function puts the active call on hold (if it exists) and puts another call (offering or held) in the active state.
DWORD NetworkSwapCall(void);
Parameters
none
Return values
Zero indicates success. A negative error number indicates that an error occurred. For additional error information, enable the library debug mode.
Remarks
Swapping the active call with the call on consultation hold allows the application to alternate or toggle between these two calls. This is typical in call waiting.
Requirements
OS Versions: Windows CE 1.0 and later.
Header: dyntapi.h.
Dll Library: dyntapidll.dll.