SIP response code 412
This article provides troubleshooting information for various combinations of the SIP 412 error and Microsoft response codes.
510412 412 Get Flighting - wrong callee MRI
- Microsoft response code: 510412
- SIP response code: 412
- Suggested actions:
- To fix the number parsing error, correct the malformed callee number in the inbound call. This will enable creating a correct Messaging Resource Identifier (MRI) that's required for further processing of the call.
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