ITTAPI::UnregisterNotifications method (tapi3if.h)

The UnregisterNotifications method removes any incoming call notification registrations that have been performed using ITTAPI::RegisterCallNotifications.

Syntax

HRESULT UnregisterNotifications(
  [in] long lRegister
);

Parameters

[in] lRegister

The value returned by the RegisterCallNotifications method in the plRegister parameter.

Return value

This method can return one of these values.

Value	Meaning
S_OK	Method succeeded.
E_INVALIDARG	The TAPI object has not yet been initialized or the lRegister parameter is not valid.
E_OUTOFMEMORY	Insufficient memory exists to perform the operation.

Requirements

Requirement	Value
Target Platform	Windows
Header	tapi3if.h (include Tapi3.h)
Library	Uuid.lib
DLL	Tapi3.dll

See also

ITTAPI

RegisterCallNotifications

TAPI Object