lineRedirect
The
lineRedirect function redirects the specified offering call to the specified destination
address.
LONG lineRedirect(
HCALL hCall,
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|
LPCSTR lpszDestAddress,
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|
DWORD dwCountryCode
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);
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|
Parameters
hCall
A handle to the call to be redirected. The application must be an owner of the
call. The call state of
hCall must be
offering.
lpszDestAddress
A pointer to the destination address. This follows the standard dialable
number format.
dwCountryCode
The country code of the party the call is redirected to. If a value of zero is
specified, a default is used by the implementation.
Return Values
Returns a positive request ID if the function will be completed
asynchronously, or a negative error number if an error has occurred. The
dwParam2 parameter of the corresponding
LINE_REPLY message is zero if the function is successful or it is a negative error
number if an error has occurred. Possible return values are:
LINEERR_INVALADDRESS, LINEERR_NOTOWNER, LINEERR_INVALCALLHANDLE,
LINEERR_OPERATIONUNAVAIL, LINEERR_INVALCALLSTATE, LINEERR_OPERATIONFAILED,
LINEERR_INVALCOUNTRYCODE, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALPOINTER, LINEERR_UNINITIALIZED,
LINEERR_NOMEM.
Remarks
Call redirection allows an application to deflect an offering call to another
address without first answering the call. Call redirect differs from call
forwarding in that call forwarding is performed by the switch without the
involvement of the application; redirection can be done on a call-by-call basis by the
application, for example, driven by caller ID information. It differs from call
transfer in that transferring a call requires the call first be answered.
After a call has been successfully redirected, the call typically transitions
to idle.
Besides redirecting an incoming call, an application may have the option to
accept the call using
lineAccept, reject the call using
lineDrop, or answer the call using
lineAnswer. The availability of these operations is dependent on device capabilities.
See Also
LINE_REPLY,
lineAccept,
lineAnswer,
lineDrop
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