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TAPI_E_INVALPARKID
What TAPI_E_INVALPARKID means
TAPI_E_INVALPARKID The call-park identifier is not valid for the provider or for the currently parked-call state.
What to check
- Capture the park ID exactly as returned or entered and the call state at the time of retrieval.
- Verify that the provider still reports a parked call for that identifier.
- Check whether another user retrieved, timed out, or re-parked the call first.
Handling
Refresh parked-call state and use the identifier currently issued by the provider. Do not reuse a park ID after the parked call has ended.
References
- Microsoft: TAPI_E constants — official Microsoft documentation used to interpret the HRESULT.
- Microsoft: TAPI 3.1 Reference
- Microsoft: Telephony API interfaces
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