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MRCP indicates an error in method or operations. For example, there may have been a problem with grammar compilation. Detailed information may be written in detail in the header information of the package that received the 407 error.
The following conditions should be checked when receiving this error:
- Checking the header information of the package that received 407 error in the IVR log.
- If the error was received in the DEFINE-GRAMMAR step;

a. Checking the correctness of the DEFINE-GRAMMAR URL on the IVR side
b. Checking the existence of the language model mentioned in the URL on the MRCP side. (The 407 error mostly occurs for this reason. An attempt is made to define a language model that is not on the IVR side.)
- If the error was received in the RECOGNIZE step;
a. Control of the information contained in the RECOGNIZE body
- If the error appears in any of the other steps, please contact support.sestek.com.