Text History - Delivery Status Codes
FollowFound on This Page
Text History - Delivery Status Codes
1. Overview
When you view Text History Reports in the Mosio application, Delivery Status Codes are included in the "Status" column. There are several codes that carriers use to describe SMS delivery status, the most common codes are found below.
2. Delivery Status Codes and Descriptions
Please see the table below for Delivery Status Codes and Descriptions
| Code | Status | Description |
| 40 | Carrier Received | Carrier accepted the message for delivery. This message may represent the last available status from a carrier. |
| 100 | Message accepted for delivery | Message accepted for delivery by the aggregator. |
| 110 | Fail | Carrier returned a failure to deliver the message. |
| 129 | Carrier Cannot Be Resolved | Cannot resolve carrier. |
| 200 | Carrier Success | Carrier indicates successful delivery of message to the mobile device. Not specified by all carriers. |
| 210 | Carrier Manual Ack | Response of manual ack from carrier. |
| 250 | Carrier Expired | Default period for the SMSC passed without successful message delivery (typically 72 hours). This status occurs with the mobile device remains out of coverage or remains turned off for an extended period of time. |
| 270 | Carrier Undeliverable | Cannot deliver message. This status may occur because some SMSCs will accept messages for recipients they do not own due to data roaming agreements, but the SMSCs cannot deliver the message for a variety of reasons. This status typically occurs for SMSCs outside of the United States where data roaming typically occurs. |
| 290 | Carrier Rejected | This status typically occurs when data-roaming carriers rejects the particular message. |
| 500 | SMS Provider Application Error | SMS Provider Application Error |
| 555 | Test Message Sent | Message sent to Mosio test (555) phone number |
| 4432 | Messaging to country forbidden | Messaging to country forbidden |
| 4700 | Carrier Rejected as Invalid Service Type | Carrier Rejected as Invalid Service Type |
| 4720 | Carrier Rejected as Invalid Destination Address | Carrier Rejected as Invalid Destination Address |
| 4730 | No Route To Destination Carrier | No Route To Destination Carrier |
| 4750 | Carrier Rejected Message | Carrier Rejected Message |
| 4753 | Destination Handset Rejected Message | The destination handset has rejected the message (typically Verizon) |
| 4771 | Rejected due to shortened url | There was an error with the shortened URL used. Recommend customers obtain their own dedicated domain if shortened links are needed for their messaging campaign. |
| 4775 | Carrier Rejected due to user opt out | Carrier Rejected due to user opt out |
| 4781 | P2P Volume Violation | Destination ATT rejected due to volumetric violation |
| 4795 | Toll Free number is not verified | The message was blocked due to the toll free number not being verified. This can also be because there is SPAM on the unverified TFN. Please review unverified sending limits and submit TFN for verification as soon as possible. |
| 5620 | Carrier Application Error | Carrier Application Error |
| 5650 | Carrier Service Failure | Carrier Service Failure |
| 9999 | Unknown error from downstream. Carrier reported a failure code that is unknown to Bandwidth. | Unknown error from downstream. Carrier reported a failure code that is unknown to Bandwidth. |
| 11200 | HTTP retrieval failure | HTTP retrieval failure |
| 12300 | Invalid content-type | Twilio is unable to process the Content-Type of the provided URL |
| 20003 | Authentication error | Authentication error |
| 20503 | SMS Aggregator service unavailable, try again | SMS Aggregator service unavailable, try again |
| 21211 | Invalid phone number | The To number is not a valid phone number. |
| 21408 | Cannot send to region | Permission to send an SMS has not been enabled for the region indicated by the To number. |
| 21606 | The From phone number provided is not valid | The From phone number provided is not a valid message-capable Twilio phone number. |
| 21610 | User has opted out on this number | The message From/To pair violates a blacklist rule. User has texted in stop, and needs to text start. |
| 21612 | Phone not reachable from this number | The 'To' phone number is not currently reachable using the 'From' phone number |
| 21614 | Not a mobile number | The To number is not a mobile number. |
| 21617 | Message exceeds 1600 characters | The message body exceeds the 1600 character limit, some glyphs such as Emoji, Emoticons or other special characters will be counted as multiple |
| 21621 | The From number has not been enabled for MMS messaging | The From number has not been enabled for MMS messaging |
| 30003 | Unreachable destination handset | The destination handset you are trying to reach is switched off or otherwise unavailable. |
| 30004 | Message blocked | The destination number is blocked from receiving this message (e.g., due to blacklisting), or does not have sufficient signal, or cannot receive SMS. |
| 30005 | Unknown destination handset | The destination number you are trying to reach is unknown and may no longer exist. |
| 30006 | Landline or unreachable carrier | The destination number is unable to receive this message. Potential reasons could include trying to reach a landline or an unreachable carrier. |
| 30007 | Carrier violation | Your message was flagged as objectionable by the carrier. In order to protect their subscribers, many carriers have implemented content or spam filtering. |
| 30008 | Unknown Error | Message Delivery - Unknown error |
| 30011 | MMS not supported by receiving phone | MMS not supported by the receiving phone number in this region |
| 30017 | Carrier network congestion | Downstream carrier is experiencing performance issues due to high traffic. Please retry message. |
| 30019 | Content size exceeds carrier limit | Message failed because the size of the content associated with the message exceeded carrier limit |
| 30024 | Numeric Sender ID Not Provisioned on Carrier | Provisioning Issue with Carrier. You sent a message to a mobile number in a country that requires Numeric Sender ID pre-registration and provisioning. The Numeric Sender ID is not currently provisioned with the carrier. |
| 30034 | 10DLC - Message from an Unregistered Number | Messages sent to US numbers will not be delivered if they are sent from numbers that are not associated with an approved A2P 10DLC Campaign. |
| 30410 | Provider Timeout Error | The provider used may be experiencing disruptions resulting in errors or request timeouts. Messages are failed and not retried to avoid duplicate message delivery. |