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TAPI_E_TERMINAL_PEER
What TAPI_E_TERMINAL_PEER means
TAPI_E_TERMINAL_PEER A bridge terminal already has a peer assigned, so another peer assignment would violate the terminal topology.
What to check
- Identify both bridge terminals and the peer relation currently reported by the provider.
- Check whether an earlier pairing succeeded even if the caller missed its completion event.
- Verify that stale terminal objects from an old media topology are not being reused.
Handling
Keep the existing valid peer or explicitly tear it down according to the provider contract before assigning another. Re-enumerate terminals after topology changes.
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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