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TAPI_E_TARGETSELF
What TAPI_E_TARGETSELF means
TAPI_E_TARGETSELF TAPI could not hand the call to a higher-priority target because the current application is already the highest-priority eligible target.
What to check
- Inspect the Assisted Telephony target/priority configuration used for the handoff.
- Confirm which application currently owns the request and which alternative handlers are registered.
- Check whether an expected higher-priority target was removed or never registered.
Handling
Handle the request locally or correct target registration and priority. Reissuing the same handoff with an unchanged target set will return the same result.
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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