When the platform cannot deliver a message, it moves it to Blocked SMS instead of sending it. Each blocked message includes an error code and a description that explains why it was stopped. Reviewing this page is the fastest way to diagnose routing, pricing, or configuration issues.
Blocked SMS Page
Go to Current traffic → Blocked SMS.

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ⓘ Blocked messages are never charged. The client's balance is not affected. |
Each row shows the Client, Sender, Phone, Text SMS, Time, Error code, and Detail description. Use the filters at the top – Client, Sender, date range, Phone, Destination, Manager, Error, Limit – to find specific messages.
Click the eye icon in any row to open the full detail view for that message.

The detail page shows the Phone, Client, Sender, Country, Text SMS, Type, Type Send, Time, Error, and Error description for that specific message.

Error Codes
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Error |
Description |
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no_money |
Insufficient funds in the client's balance. |
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reseller_no_money |
Insufficient funds in the reseller's balance. The client should contact their account manager. |
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phone_code_client |
The destination is not open for this client. |
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package_reseller |
The route has no funds. |
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phone_code_reseller |
The destination is not open for the reseller. |
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blocked_sender |
The sender name is in the aggregator's blacklist. |
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no_aggr_price |
The destination is not open – no aggregator price exists. |
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no_client_price |
The client has no price set for this destination. |
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no_reseller_price |
No price is set for this destination on the reseller level. |
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no_source_price |
No cost price exists for the aggregator. |
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no_mcc_mnc |
The destination could not be identified from the phone number. |
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phone_in_black_list |
The recipient phone number is in the blacklist. |
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uses_not_allowed_sending_to_this_aggregator |
The client's settings do not allow sending traffic to this aggregator. |
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reseller_not_allowed_sending_to_this_aggregator |
The route settings do not allow sending to this network. |
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no_active_aggregator |
No active aggregator is available for this destination. |
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not_registry_originator |
The sender name is not allowed. |
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incorrect_originator |
The sender format is invalid. Numeric senders must be 3–15 characters; alphanumeric senders must not exceed 11 characters. |
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blocked_by_moderation |
The message was blocked by a moderation rule. |
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ip_block |
The request was blocked by IP restriction. |
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invalid_message_length |
The message exceeds the allowed length. |
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incorrect_phone |
The recipient phone number is in an incorrect format. |
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blocked_originator |
The sender name is blocked in the aggregator's configuration. |
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unsupported_encoding |
The message content uses an encoding that is not supported. |
If a message is blocked due to a configuration issue – such as a missing price or a closed destination – fixing the underlying setting and resending the message is all that is needed. The client is not charged for blocked messages, so there is no financial impact while you investigate.