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SMS status codes

Ever wondered what Dropped or In queue meant? Here's some more in-depth descriptions of the different status codes in play when sending texts

Written by Christoffer

Label

Keys

Description

Sent

SENT

SMS has been sent from our systems to the holding operator of the receiving number

Dropped

Delivery impossible

DROPPED

DELIVERY_WILL_NEVER_HAPPEN

SMS sent to the receiving operator but was dropped before it could be delivered. Usually because the number is not in service or temporary outages on the network.

Content not allowed

Invalid content

CONTENT_NOT_ALLOWED

Rejected by sending or receiving operator because of prohibited content. Content with mentions of Sex, Hate, Alcohol, Firearms, Tobacco, Vape/E-cigarets, Drugs and Gambling are prohibited.

Received

Confirmed

Delivered

DELIVERY_SUCCESSFUL

The receiving operator has reported that the SMS was delivered to the end-user device.

Failed

DELIVERY_FAILURE

Receiving operator failed to deliver the SMS to the end-user device

In queue

IN_QUEUE

SMS is queued to be sent from our systems

Unknown

UNKNOWN

Something went wrong, we don’t know what.

Blocked

RULE_BROKEN

SMS was blocked by the sending operator

Not owned

NUMBER_NOT_OWNED

The number you are trying to send from is not owned by the account trying to send

Not whitelisted

NOT_WHITELISTED

The number you are trying to send from is not verified as a sender

Insufficient balance

SMS_BALANCE_ZERO

Account out of SMS credits

Invalid alphanumeric sender ID

INVALID_ALPHA_NUMERIC_ID

The alphanumeric sender is not valid, e.g. it’s too long or has unsupported characters.

Unverified sender ID

UNVERIFIED_SENDER_ID

The sender number is not verified

Congestion

Invalid extension

WRONG_NUMBER

The receiving number is not valid

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