| ASR Service URL not retrieved from Service Provider Blob. | Call Transformer Error | Service URL undefined. | 500 | Internal Server Error | ERR_500_INTERNAL_SERVER_ERROR |
| BodyContent size is more than 1MB while sending request to ASR Service (pick 1M from config file, It is changeable). | Call Transformer Error | Request Payload exceeds maximum limit (1MB). | 413 | Payload Too Large | - |
| BodyContent size is more than 1MB while receiving response from ASR Service. | Call Transformer Error | Response payload exceeds maximum limit (1MB). | 413 | Payload Too Large | - |
| Compulsory headers like Content-Type is not present in "includedHeaders" node of ASR response payload JSON. | Call Transformer Error | Required data from the call transformer is missing - Missing header "Content-Type". | 412 | Precondition Failed | - |
| Timeout occurred while calling ASR. | Call Transformer Error | Call transformer service time out (0.5s). | 504 | Gateway Timeout | ERR_504_GATEWAY_TIMEOUT |
| ASR response is not retrieved in expected JSON format. | Call Transformer Error | Unable to parse the response from call transformer service. | 412 | Precondition Failed | - |
| UnsupportedEncodingException occurred while setting request body for sending request to transformer service. | Call Transformer Error | Error while setting request payload in transformation service. | 500 | Internal Server Error | ERR_500_INTERNAL_SERVER_ERROR |
| Not able to connect to transformation service. | Call Transformer Error | Unable to connect to transformer service. | 502 | Bad Gateway | ERR_502_BAD_GATEWAY |
| Other than timeout or bad gateway, any other exception occurred while connecting to transformer service. | Call Transformer Error | Error while connecting to transformer service. | 500 | Internal Server Error | ERR_500_INTERNAL_SERVER_ERROR |
| Error occurred while reading request body which will be sent to transformation service if it is defined in include parameter. | Call Transformer Error | Error while reading request payload. | 500 | Internal Server Error | ERR_500_INTERNAL_SERVER_ERROR |
| Error occurred while converting request payload into JSON for transformation service. | Call Transformer Error | Error while creating payload JSON for call transformer service. | 500 | Internal Server Error | ERR_500_INTERNAL_SERVER_ERROR |
