SNS Text SMS being blocked by carrier

Question

I want to use aws SNS to send OTP to users but   getting this error. Followed this documentation https://docs.aws.amazon.com/pinpoint/latest/userguide/channels-sms-senderid-india.html

{
    "notification": {
        "messageId": "",
        "timestamp": "2023-10-16 10:47:19.525"
    },
    "delivery": {
        "mnc": 59,
        "numberOfMessageParts": 1,
        "destination": "+9194********",
        "priceInUSD": 0.00278,
        "smsType": "Transactional",
        "mcc": 404,
        "providerResponse": "Phone carrier has blocked this message",
        "dwellTimeMs": 24,
        "dwellTimeMsUntilDeviceAck": 1291
    },
    "status": "FAILURE"
}

Answer

If you have completed all the steps from 1 to 3 as per the documentation, kindly check the MessageAttributes parameter where you will be passing the SenderID, EntityID & TemplateID are in correct format.

Reference - https://docs.aws.amazon.com/sns/latest/dg/sms_publish-to-phone.html#sms_publish_sdk

SNS Text SMS being blocked by carrier

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