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TAPI_E_CALLCENTER_QUEUE_REMOVED
What TAPI_E_CALLCENTER_QUEUE_REMOVED means
TAPI_E_CALLCENTER_QUEUE_REMOVED The ACD proxy removed the queue object. A previously acquired queue interface therefore refers to an object that is no longer valid.
What to check
- Re-enumerate queues from the active provider and confirm whether the queue still exists.
- Check call-center configuration and provider events around the removal time.
- Compare the current queue identity with the one stored by the failing application.
Handling
Discard the removed queue object and use the queue instance currently published by the ACD proxy. A retry against the old interface is not useful.
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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