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        SMS API

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          Article Summary

          Basic information

          API URL

          https://sens.apigw.ntruss.com/sms/v2

          Go to SENS SMS API Swagger

          API Header

          ItemMandatoryDescription
          Content-TypeMandatorySpecifies the request body content type as application/json (POST)
          x-ncp-apigw-timestampMandatory- Time elapsed in milliseconds since January 1, 1970 00:00:00 (UTC)
          - If the time difference compared to the API Gateway server is more than 5 minutes, then the request is considered invalid
          x-ncp-iam-access-keyMandatoryThis is the Access Key ID issued by the portal or Sub Account
          x-ncp-apigw-signature-v2Mandatory- Signature comprising the above example body encrypted with a SecretKey mapped with Access Key ID
          - HmacSHA256 is used as the HMAC encryption algorithm

          NAVER Cloud Platform authentication key and Signature creation guide

          Messages

          Send message

          This sends SMS/LMS/MMS messages.

          Request URL

          POST https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/messages

Content-Type: application/json; charset=utf-8
x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Headers

          Go to API header

          Request body

          {
    "type":"(SMS | LMS | MMS)",
    "contentType":"(COMM | AD)",
    "countryCode":"string",
    "from":"string",
    "subject":"string",
    "content":"string",
    "messages":[
        {
            "to":"string",
            "subject":"string",
            "content":"string"
        }
    ],
    "files":[
        {
             "fileId": "string"
        }
    ],
    "reserveTime": "yyyy-MM-dd HH:mm",
    "reserveTimeZone": "string"
}
          ItemMandatoryTypeDescriptionRemarks
          typeMandatoryStringSMS TypeSMS, LMS, MMS (lowercase)
          contentTypeOptionalStringMessage type- COMM: regular message
          - AD: ad message
          - default: COMM
          countryCodeOptionalStringCountry number- Can only send to countries provided by SENS
          - default: 82
          - Country list to send international SMS
          fromMandatoryStringCaller IDOnly the pre-registered caller ID can be used
          subjectOptionalStringTitle of default messageOnly available in LMS and MMS
          - LMS, MMS: up to 40 bytes
          contentMandatoryStringContent of default message- SMS: up to 90 bytes
          - LMS, MMS: up to 2000 bytes
          messagesMandatoryObjectMessage information- Refer to items below (messages.XXX)
          - Up to 100
          messages.toMandatoryStringCalled numberOnly numbers except (-) can be entered
          messages.subjectOptionalStringTitle of individual messageOnly available in LMS and MMS
          - LMS, MMS: up to 40 bytes
          messages.contentOptionalStringContent of individual message- SMS: up to 90 bytes
          - LMS, MMS: up to 2000 bytes
          files.fileIdOptionalStringFile IDOnly available in MMS
          See Upload File
          reserveTimeOptionalStringReserved date and timeReserved date and time for message delivery (yyyy-MM-dd HH:mm)
          reserveTimeZoneOptionalStringTime zone of reserved date and time- Time zone of reserved date and time (default: Asia/Seoul)
          - List of supported time zones
          - Use the TZ database name value
          Caution
          • If the maximum supported size is exceeded, some content will be cut off and sent.
          • A message (subject, content) is encoded based on EUC-KR, and the message will be unable to be sent if it contains unsupported emoji characters.
          Note
          • If the subject and content are not specified in the messages, the values designated as default subject and content are sent.
          • The subject and content in the messages have priority over the default subject and content.
          • It is MMS type, but if there is no file to attach, it is sent as LMS.

          Response body

          {
    "requestId":"string",
    "requestTime":"string",
    "statusCode":"string",
    "statusName":"string"
}
          ItemMandatoryTypeDescriptionRemarks
          requestIdMandatoryStringRequest ID
          requestTimeMandatoryDateTimeRequest timeyyyy-MM-dd'T'HH:mm:ss.SSS
          statusCodeMandatoryStringRequest status code- 202: success
          - Others: failed
          - Follows the HTTP status specification
          statusNameMandatoryStringRequest status name- Success: success
          - Fail: failed

          Response status

          HTTP StatusDesc
          202Accept (Successfully requested)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          429Too Many Requests
          500Internal Server Error

          Upload files

          Upload files for sending MMS.

          Request URL

          POST https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/files

Content-Type: application/json; charset=utf-8
x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Headers

          Request body

          {
    "fileName":"string",
    "fileBody":"string"
}
          ItemMandatoryTypeDescriptionRemarks
          fileNameMandatoryStringFile name- File name with .jpg or .jpeg extension
          - Up to 40 characters
          fileBodyMandatoryStringFile body- Values that encoded .jpg or .jpeg images as Base64
          - Up to 300 KB per original file
          - Resolution up to 1500 * 1440
          Note

          If a file with the same file name and file size to be uploaded already exists, it is recognized as the same file and reused. (stored for 6 days)

          Response body

          {
    "fileId":"string",
    "createTime":"string",
    "expireTime":"string"
}
          ItemMandatoryTypeDescriptionRemarks
          fileIdMandatoryStringFile IDUsed when sending MMS messages
          createTimeMandatoryDateTimeFile upload time
          expireTimeMandatoryDateTimeFile expired time

          Response status

          HTTP StatusDesc
          200OK (Successfully uploaded)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          429Too Many Requests
          500Internal Server Error

          Search for message delivery request

          Search for the message delivery request.

          Request URL

          GET https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/messages

x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Parameters

          ItemMandatoryTypeDescriptionRemarks
          requestIdMandatoryStringRequest IDDelivery request ID
          requestStartTimeMandatoryStringStart time of searchyyyy-MM-dd HH:mm:ss
          requestEndTimeMandatoryStringEnd time of searchyyyy-MM-dd HH:mm:ss
          completeStartTimeMandatoryStringStart time to complete deliveryyyyy-MM-dd HH:mm:ss
          completeEndTimeMandatoryStringEnd time to complete deliveryyyyy-MM-dd HH:mm:ss
          messageIdOptionalStringMessage ID
          typeOptionalStringMessage typeSMS, LMS, MMS
          contentTypeOptionalStringContent type- COMM: regular message
          - AD: ad message
          countryCodeOptionalStringCountry code
          statusOptionalStringDelivery request status- READY: ready
          - PROCESSING: being processed
          - COMPLETED: processing completed
          fromOptionalStringMessage calling numberNumbers without hyphens (-)
          toOptionalStringMessage received numberNumbers without hyphens (-)
          statusNameOptionalStringDevice reception status- SUCCESS: success
          - FAIL: failed
          pageIndexOptionalIntegerPage numberdefault: 0
          pageSizeOptionalIntegerPage sizedefault: 20, max: 100
          When viewing including requestId, default: 1000
          Note
          • History of delivering message can only be viewed within the last 90 days.
          • Either requestId or requestStartTime + requestEndTime or completeStartTime + completeEndTime is required.
          • requestStartTime + requestEndTime and completeStartTime + completeEndTime cannot be used simultaneously.
          • The query range from requestStartTime to requestEndTime is limited to a maximum of 30 days.
          • The query range from completeStartTime to completeEndTime is limited to a maximum of 24 hours.

          Headers

          Go to API header

          Request body

          None

          Response body

          {
    "statusCode": "string",
    "statusName": "string",
    "messages": [
        {
            "requestId": "string",
            "campaignId": "string",
            "messageId": "string",
            "requestTime": "string",
            "contentType": "string",
            "type": "string",
            "countryCode": "string",
            "from": "string",
            "to": "string",
            "completeTime": "string",
            "telcoCode": "string",
            "status": "string",
            "statusCode": "string",
            "statusName": "string",
            "statusMessage": "string"
        }
    ],
    "pageIndex": "integer",
    "pageSize": "integer",
    "itemCount": "integer",
    "hasMore": "boolean"
}
          ItemMandatoryTypeDescriptionRemarks
          statusCodeMandatoryStringMessage delivery status to the messaging server- 202: success
          - Others: failed
          - Follows the HTTP status specification
          statusNameMandatoryStringName of the status of sending a message to the messaging server- Success: success
          - reserved: being reserved
          - Fail: failed
          messages.requestIdMandatoryStringMessage request ID
          messages.messageIdMandatoryStringMessage ID
          messages.requestTimeMandatoryStringDelivery request timeyyyy-MM-dd HH:mm:ss
          messages.contentTypeMandatoryStringMessage type- COMM: regular message
          - AD: ad message
          messages.countryCodeMandatoryStringCountry number
          messages.fromMandatoryStringCaller ID
          messages.toMandatoryStringCalled number
          messages.statusMandatoryStringDelivery request status- READY: ready
          - PROCESSING: being processed
          - COMPLETED: processing completed
          messages.statusCodeOptionalStringCode of device reception status result- 0: success
          - Others: Failure (refer to the Error Code table)
          messages.statusNameOptionalStringName of device reception status result- Success: success
          - Fail: failed
          messages.statusMessageOptionalStringMessage of device reception status result
          messages.completeTimeOptionalStringDelivery completion timeyyyy-MM-dd HH:mm:ss
          messages.telcoCodeOptionalStringNetwork operator code
          pageIndexMandatoryIntegerPage index (starting from 0)
          pageSizeMandatoryIntegerPage size
          itemCountMandatoryIntegerThe number of messages within the viewed page
          hasMoreMandatoryBooleanIndicates whether there is a next page
          Note

          The fields below that correspond to the received result are not queried until the request status is completed (status: COMPLETED).

          • statusCode
          • statusName
          • statusMessage
          • completeTime
          • telcoCode

          If the name of the delivery request status to the messaging server is "Reserved", the messages fields are not searched.

          Response status

          HTTP StatusDesc
          200OK (Successfully requested)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          500Internal Server Error

          Search for message delivery result

          Search for the message delivery result.

          Request URL

          GET https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/messages/{messageId}

x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project
          messageIdMandatoryStringMessage IDMessage identifier that is returned when searching for the message sending requests

          Headers

          Go to API header

          Request body

          None

          Response body

          {
    "statusCode":"string",
    "statusName":"string",
    "messages":[
        {
            "requestTime":"string",
            "contentType":"string",
            "content":"string",
            "countryCode":"string",
            "from":"string",
            "to":"string",
            "status":"string",
            "statusCode":"string",
            "statusMessage":"string",
            "statusName":"string",
            "completeTime":"string",
            "telcoCode":"string",
            "files":[
                {
                    "name":"string",
                    "fileId":"string"
                }
            ]
        }
    ]
}
          ItemMandatoryTypeDescriptionRemarks
          statusCodeMandatoryStringMessage delivery status to the messaging server- 200: success
          - Others: failed
          statusNameMandatoryStringName of the status of sending a message to the messaging server- Success: success
          - Fail: failed
          messages.requestTimeMandatoryDateTimeRequest timeyyyy-MM-dd HH:mm:ss
          messages.contentTypeMandatoryStringMessage type- COMM: regular message
          - AD: ad message
          messages.contentMandatoryStringMessage contentIt is possible to view the content requested for delivery as it is or to send the actual content according to the length limit for each type of request
          messages.countryCodeMandatoryStringCountry number
          messages.fromMandatoryStringCaller ID
          messages.toMandatoryStringCalled number
          messages.statusMandatoryStringDelivery status in the messaging server- READY: ready
          - PROCESSING: being processed
          - COMPLETED: processing completed
          messages.statusCodeMandatoryStringCode of device reception status result- 0: success
          - Others: failure (refer to the Error Code table)
          messages.statusNameMandatoryStringName of device reception status result- Success: success
          - Fail: failed
          messages.statusMessageMandatoryStringMessage of device reception status result
          messages.completeTimeMandatoryDateTimeDelivery completion timeyyyy-MM-dd HH:mm:ss
          messages.telcoCodeMandatoryStringNetwork operator code
          files.nameOptionalStringName of attached fileOnly searchable in MMS
          files.fileIdOptionalStringAttached file IDOnly searchable in MMS
          Note

          History of message delivery result can only be viewed within the last 90 days.

          Response status

          HTTP StatusDesc
          200OK (Successfully requested)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          500Internal Server Error

          Reserved message

          Search for reserved message status

          Search for the reservation status of message delivery.

          GET https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/reservations/{reserveId}/reserve-status

x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project
          reserveIdMandatoryStringReserved message IDMessage identifier that is returned when searching for the reserved delivery requests (requestId)

          Headers

          Go to API header

          Request body

          None

          Response body

          {
  "reserveId": "string",
  "reserveTimeZone": "string",
  "reserveTime": "string",
  "reserveStatus": "string"
}
          ItemMandatoryTypeDescriptionRemarks
          reserveIdMandatoryStringReserved message IDMessage identifier that is returned when searching for the reserved delivery requests (requestId)
          reserveTimeMandatoryStringReserved date and timeReserved date and time for message delivery (yyyy-MM-dd HH:mm)
          reserveTimeZoneMandatoryStringTime zone of reserved date and time- Time zone of reserved date and time (default: Asia/Seoul)
          - List of supported time zones
          - Use the TZ database name value
          reserveStatusMandatoryStringReserved status- READY: waiting to be sent
          - PROCESSING: requesting delivery
          - CANCELED: delivery canceled
          - FAIL: delivery request failure
          - DONE: successful delivery request
          - STALE: delivery request failure (timeout)

          Response status

          HTTP StatusDesc
          200OK (successfully searched)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          500Internal Server Error

          Cancel reserved message

          Cancel the reserved message delivery.

          DELETE https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/reservations/{reserveId}

x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project
          reserveIdMandatoryStringReserved message IDMessage identifier that is returned when searching for the reserved delivery requests (requestId)

          Headers

          Go to API header

          Request body

          None

          Response body

          None

          Response status

          HTTP StatusDesc
          204No Content (successfully deleted)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          500Internal Server Error

          080 call block number

          Search for call block number

          Searches for the call block numbers.

          Request URL

          GET https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/unsubscribes

Content-Type: application/json; charset=utf-8
x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Parameters

          ItemMandatoryTypeDescriptionRemarks
          clientTelNoOptionalStringBlocked call numberCall block numbers registered in 080 service number
          pageSizeOptionalIntegerPage size- default: 100
          - Only numbers between 0 and 100 can be entered
          pageIndexOptionalIntegerPage indexdefault: 0
          startTimeOptionalIntegerSearch start time- Standard of call block registration time
          - default: all
          endTimeOptionalIntegerSearch end time- Standard of call block registration time
          - default: all

          Headers

          Go to API header

          Request body

          None

          Response body

          [
    {
     "clientTelNo": "string",
     "registerTime": "string",
     "registerType": "char"
    }
]
          ItemMandatoryTypeDescriptionRemarks
          clientTelNoMandatoryStringBlocked call number
          registerTimeMandatoryStringRegistered timeforamt: LocalDateTime
          registerTypeMandatoryCharRegistering method- M(manual): manual registration
          - C(call): phone registration

          Response status

          HTTP StatusDesc
          200OK
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          429Too Many Requests
          500Internal Server Error

          Register call block number

          This registers the numbers to be blocked.

          Request URL

          POST https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/unsubscribes

Content-Type: application/json; charset=utf-8
x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Parameters

          None

          Headers

          Go to API header

          Request body

          [
    {
        "clientTelNo":"string"
    }
]
          ItemMandatoryTypeDescriptionRemarks
          clientTelNoMandatoryStringBlocked call numberUp to 1000 requests available at a time (list)

          Response body

          [
    {
        "clientTelNo": "string",
        "registerTime": "string",
        "registerType": "char"
    }
]
          ItemMandatoryTypeDescriptionRemarks
          clientTelNoMandatoryStringBlocked call number
          registerTimeMandatoryStringRegistered timeforamt: LocalDateTime
          registerTypeMandatoryCharRegistering method- M(manual): manual registration
          - C(call): phone registration

          Response status

          HTTP StatusDesc
          200OK
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          429Too Many Requests
          500Internal Server Error

          Delete call block number

          This deletes the call block numbers.

          Request URL

          DELETE https://sens.apigw.ntruss.com/sms/v2/services/{serviceId}/unsubscribes

Content-Type: application/json; charset=utf-8
x-ncp-apigw-timestamp: {Timestamp}
x-ncp-iam-access-key: {Sub Account Access Key}
x-ncp-apigw-signature-v2: {API Gateway Signature}

          Path Variables

          ItemMandatoryTypeDescriptionRemarks
          serviceIdMandatoryStringService IDService ID issued when registering the project

          Parameters

          None

          Headers

          Go to API header

          Request body

          [
    {
        "clientTelNo":"string"
    }
]
          ItemMandatoryTypeDescriptionRemarks
          clientTelNoMandatoryStringBlocked call numberUp to 1000 requests available at a time (list)

          Response body

          None

          Response status

          HTTP StatusDesc
          204No Content (successfully deleted)
          400Bad Request
          401Unauthorized
          403Forbidden
          404Not Found
          429Too Many Requests
          500Internal Server Error

          Message sending examples

          SMS message

          Regular message

          {
    "type":"SMS",
    "contentType":"COMM",
    "countryCode":"82",
    "from":"01012345678",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ]
}

          Reserved message

          {
    "reserveTime":"2019-07-25 17:09",
    "type":"SMS",
    "contentType":"COMM",
    "countryCode":"82",
    "from":"01012345678",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ]
}

          Ad message

          {
    "type":"SMS",
    "contentType":"AD",
    "countryCode":"82",
    "from":"01012345678",
    "content":"(Ad) company name content [Free call block]08012345678",
    "messages":[
        {
            "to":"01012345678",
            "content":"(Ad) company name content sent only to the number separately from the content above (optional) [Free call block] 08012345678"
        }
    ]
}

          LMS message

          Regular message

          {
    "type":"LMS",
    "contentType":"COMM",
    "from":"01012345678",
    "subject":"subject",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ]
}

          Reserved message

          {
    "reserveTime":"2019-07-25 17:09",
    "type":"LMS",
    "contentType":"COMM",
    "from":"01012345678",
    "subject":"subject",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ]
}

          Ad message

          {
    "type":"LMS",
    "contentType":"AD",
    "from":"01012345678",
    "subject":"subject",
    "content":"(Ad) company name content [Free call block]08012345678",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"(Ad) company name content sent only to the number separately from the content above (optional) [Free call block] 08012345678"
        }
    ]
}

          MMS message

          Regular message

          {
    "type":"MMS",
    "contentType":"COMM",
    "from":"01012345678",
    "subject":"subject",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ],
    "files":[
        {
            "fileId": "4fe2078b-5926-42f2-b6b3-0c7bab9b8c5a"
        }
    ]
}

          Reserved message

          {
    "reserveTime":"2019-07-25 17:09",
    "type":"MMS",
    "contentType":"COMM",
    "from":"01012345678",
    "subject":"subject",
    "content":"content",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"content sent only to the corresponding number (optional) apart from the above content"
        }
    ],
    "files":[
        {
            "fileId": "4fe2078b-5926-42f2-b6b3-0c7bab9b8c5a"
        }
    ]
}

          Ad message

          {
    "type":"MMS",
    "contentType":"AD",
    "from":"01012345678",
    "subject":"subject",
    "content":"(Ad) company name content [Free call block]08012345678",
    "messages":[
        {
            "to":"01012345678",
            "subject":"title sent only to the number separately from the above content (optional)"
            "content":"(Ad) company name content sent only to the number separately from the content above (optional) [Free call block] 08012345678"
        }
    ],
    "files":[
        {
            "fileId": "4fe2078b-5926-42f2-b6b3-0c7bab9b8c5a"
        }
    ]
}

          Error Code

          EMMA v.3 reception result code

          • EMMA Version: EMMA V3.5.1 and above
          • IB G/W Report Code: result code received after transferring to the mobile operator
          • IB G/W Response Code: result code given by the relay company G/W after receiving the message
          • IB EMMA: Error Code processed by EMMA for message delivery request

          IB G/W Report Code

          CodeClassificationMeaning
          0successSucceeded
          2000failureDelivery timeout
          2001failureDelivery failure (wireless network)
          2002failureDelivery failure (wireless network -> device)
          2003failureDevice power off
          2004failureDevice message buffer full
          2005failureShadow area
          2006failureMessage deleted
          2007failureTemporary device problem
          3000InvalidDelivery unavailable
          3001InvalidNo subscriber
          3002InvalidAdult authentication failure
          3003InvalidCalled number format error
          3004InvalidDevice service temporarily unavailable
          3005InvalidDevice call processing status
          3006InvalidCall denied
          3007InvalidPhone can't receive callback URL
          3008InvalidOther device problems
          3009InvalidMessage format error
          3010InvalidDevice not supporting MMS
          3011InvalidServer error
          3012InvalidSpam
          3013InvalidService denied
          3014InvalidOthers
          3015InvalidNo delivery path
          3016InvalidAttachment size limit failure
          3017InvalidCaller ID protection rules violation
          3018InvalidIndividual mobile phone subscriber number subscribed to caller ID protection service
          3019InvalidCaller ID requested to be blocked by KISA (Korea Internet & Security Agency) or MSIT for all clients
          3022InvalidCharset Conversion Error
          3023InvalidNumbers not registered by Caller ID pre-registration

          IB G/W Response Code

          CodeMeaning
          1001Server Busy (RS internal queue full)
          1002Called number format error
          1003Callback number error
          1004SPAM
          1005No. of use exceeded
          1006No attachment
          1007Attachment
          1008Attachment saving failure
          1009No CLIENT_MSG_KEY
          1010No CONTENT
          1011No CALLBACK
          1012No RECIPIENT_INFO
          1013No SUBJECT
          1014No attachment KEY
          1015No attachment name
          1016No attachment size
          1017No attachment content
          1018No delivery permission
          1019TTL exceeded
          1020charset conversion error
          S000Relay company request failed (server error)
          S001Relay company request failed (server error)
          S002Relay company request failed (invalid error)
          S003Relay company request failed (send to spam)
          S004Over quota
          S005Invalid MMS file
          S006MMS file not found
          S007Expired MMS file
          S008MMS file size exceeded
          S009MMS file resolution exceeded
          S010MMS file upload quota exceeded
          S011MMS file upload failed
          S012Calling number detail error
          S998Unexpected server error
          S999Other errors

          IB EMMA

          CodeMeaning
          E900No Invalid-IB transfer key
          E901No called number
          E902For broadcast messages) No order of called numbers
          E903No title
          E904No message
          E905No callback number
          E906No message key
          E907No broadcast messages status
          E908No service type
          E909No delivery request time
          E910No TTL time
          E911No attachment extension when the service type is MMS MT
          E912No attachment in the attach_file folder when the service type is MMS MT
          E913Attachment size is 0 when the service type is MMS MT
          E914There are file group keys in the message table but no data in the file table when the service type is MMS MT
          E915Duplicate message
          E916Blocked number by auth server
          E917Blocked number by customer DB
          E918USER CALLBACK FAIL
          E919When it is prohibited to re-send the message because there is a delivery time limit.
          E920File group keys in the message table when the service type is LMS MT
          E921No file group keys in the message table when the service type is MMS MT
          E922Error in using restricted characters for broadcast message
          E999Other errors
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