| 1 | Absent subscriber (network cannot contact subscriber) |
| 2 | Handset memory exceeded |
| 3 | Equipment protocol error |
| 4 | Equipment not equipped with short-message capability |
| 5 | Unknown service centre (destination MSC) |
| 6 | Service centre congestion (Too much inbound traffic at destination network) |
| 7 | Invalid SME address |
| 8 | Subscriber is not a SC subscriber (Number belongs to a different destination network but HLR is not updated) |
| 9 | Unknown subscriber (IMSI is unknown in the HLR) |
| 10 | Illegal subscriber (The mobile station failed authentication) |
| 11 | Teleservice not provisioned (Mobile subscription identified by the MSISDN number does not include the short message service) |
| 12 | Illegal equipment (IMEI check failed, blacklisted or not whitelisted) |
| 13 | Call barred (Operator barred the MSISDN number) |
| 14 | Facility not supported (VLR in the PLMN does not support MT short message service) |
| 15 | Subscriber busy for MT short message |
| 16 | System failure |
| 17 | Message waiting list at HLR is full |
| 18 | Data missing |
| 19 | Unexpected data value |
| 20 | Resource limitation at peer / destination network |
| 21 | TCAP error (Duplicate invoke ID) |
| 22 | TCAP error (Not supported service) |
| 23 | TCAP error (Mistyped parameter) |
| 24 | TCP error (Resource Limitation) |
| 25 | TCAP error (TCAP initiating release) |
| 26 | TCAP error (Unexpected response from peer) |
| 27 | TCAP error (Service completion failure) |
| 28 | TCAP error (No response from peer) |
| 29 | TCAP error (Invalid response received) |
| 30 | Unidentified subscriber |
| 31 | Service temporary not available |
| 32 | Illegal error code |
| 33 | Network timeout |
| 34 | Operation Barred (From the MNO) |
| 35 | Delivery fail |
| 36 | Error in MS |
| 37 | PLMN system failure |
| 38 | HLR system failure |
| 39 | VLR system failure |
| 40 | Controlling MSC failure (Error in the MSC where the user is located) |
| 41 | Visited MSC failure (Error in the visited MSC) |
| 42 | MNP other operator not allowed (MSISDN is ported, delivery via this SMSC not permitted) |
| 43 | Subscriber temporarily unreachable (While roaming) |
| 44 | Message store busy |
| 45 | SME Interface busy |
| 46 | Closed user group reject |
| 47 | Network failure |
| 48 | Deferred Delivery (Message has not been delivered and is part of a deferred delivery schedule) |
| 49 | Error getting route |
| 50 | Insufficient credit |
| 51 | Rejected Destination |
| 52 | Rejected Unknown Reason |
| 53 | Rejected due to routing issue |
| 54 | Rejected due to blocking issue |
| 55 | Rejected due to no price |
| 56 | Rejected due to not enough credits |
| 57 | Rejected due to spam filter |
| 58 | Rejected due to flooding |
| 59 | UNKNOWN TCType,SMS |
| 60 | UNKNOWN TCType,SRI |
| 61 | UNKNOWN |
| 62 | Failure due to submission towards AA19 destination |
| 63 | Sent to SME but unable to confirm |
| 64 | Replaced at the SMSC |
| 65 | Quality service not available |
| 66 | Error in SMSC |
| 67 | Rejected by operator due to validity period expiry |
| 68 | Intermediate state notification that the message has not yet been delivered due to a phone related problem but is being retried. |
| 69 | Cannot determine whether this message has been delivered or has failed due to lack of final delivery state information from the operator. |
| 70 | Specific content is not permitted on the network / shortcode |
| 71 | Subscriber cannot receive adult content because of a parental lock |
| 72 | Failure due to ported combinations being unreachable. |
| 73 | Roaming subscriber. |
| 74 | Failure due to ported combinations being blocked for client (Client has been blacklisted from the ported destination). |
| 75 | Abort from HLR |
| 76 | Source address is blacklisted or not supported |
| 77 | Operation barred |
| 78 | Facility not provided |
| 79 | Invalid absolute validity period |
| 80 | SMS center received |
| 81 | Invalid PDU format |
| 82 | Local Cancel (Temporary problem / Lost reach) |
| 83 | Rejected due to duplicate |
| 84 | Maximum Connection Reached |
| 85 | Information Not Available |
| 86 | Message waiting list full |
| 87 | Short Term Denial |
| 88 | Expired due to no final status from supplier |
| 89 | message replaced by SMSC |
| 90 | congestion at subscriber |
| 91 | service rejected |
| 92 | Error in SME |
| 93 | Remote procedure error |
| 94 | Connection rejected by SME |
| 95 | SM deleted by the sender |
| 96 | SM deleted by SMSC Admin |
| 97 | Absent subscriber IMSI detached |
| 98 | SMS malformed |
| 99 | DCS inconsistency |
| 100 | Max submission attempt reached |
| 101 | Max Time To Live for message reached |
| 102 | No response from SME |
| 103 | Max submission attempt reached (finalised before validity period expired) |
| 104 | Max TTL for message reached (finalised when validity period expired) |
| 105 | Portability error |
| 106 | Canceled at SMSC |
| 999 | Unknown reasoncode received from SMSC |
| 1024 | IP address not whitelisted |
| 1025 | More than allowed binds (PDU Error) |
| 1026 | Not enough credits for your account. (PDU Error) |
| 1027 | The recipient number is blacklisted (PDU Error) |
| 1028 | No operator for the recipient. Unknown number prefix. (PDU Error) |