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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 |
|---|---|
|
Method succeeded. |
|
The TAPI object has not yet been initialized or the lRegister parameter is not valid. |
|
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 |