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Message Status & Error Descriptions

Whilst a message is being processed it has a status code and possibly also an error code. The status code indicates what is/has happened to the message.

The error code can show more information about the message once it has reached a completion status. It is more than possible that a message is successfully delivered (status 2) yet still have an error message, this can occur for a number of reasons but are not considered important as long as the message is delivered.


Message Delivery Status
Status Description Status Description
0 Pending: Not yet delivered 5 Undeliverable: Not delivered, see error code
1 Buffered: Queued behind pending messages 6 Accepted: Manual intervention by network
2 Delivered: Received by destination device 7 Unknown: Unknown, usually no receipt available
3 Expired: Not delivered, timed out 8 Rejected: Reject by network
4 Deleted: Not delivered, removed by network    


Abbreviations
MT Mobile Terminating CUG Closed User Group
MS Mobile Subscriber HLR Home Location Register
SRI Send Routing Information VLR Vistor Location Register
FSM Forward Short Message PDU Protocol Data Unit
SGSN Serving GPRS Support Node    


Message Error Codes
Error Description
1 MT number is unknown in the MT network's HLR
2 MT number is unknown in the MT network's HLR
4 Short message was spooled for retry - not delivered on first attempt
5 MT number is unknown in the MT network's MSC
9 MT number is classed as an illegal subscriber in the MT network's MSC
11 MT HLR sends back a "Teleservice not provisioned" error in responseto the SRI
12 MT handset is listed as an Illegal device on the MSC.
13 Customer is barred according to the MT HLR from receiving SMS
15 MT customer is part of a CUG that is not allowed to receive SMS
21 SMS not supported in the MT network.
22 SMS not supported in the MT MSC
23 MT number is unknown in the MT network's HLR
27 MT number is unknown in the MT network's HLR
31 MT handset is busy. The signalling control channel is in use. (Probably receiving another SMS at the same time)
32 GPRS - As above
34 System failure in the MT network.
35 Data Missing in either the MT HLR or MSC
36 Unexpected data value received in response to a FSM or SRI
40 Memory capacity exceeded on the MT handset
41 MT handset protocol error
42 MT handset is not equipped to support SMS
43 Short message type "0" not supported by the MT handset.
44 MT network unable to replace the SMS on the MT customers' handset
45 Unspecified protocol error on the MT handset
46 Message class not supported on the MT handset
47 Unspecified DCS (Data coding scheme) error on the MT handset
48 Transfer layer PDU not supported by MT handset
49 SIM card full on MT handset
50 MT handset's SIM is unable to store the message
51 Error in MT handset
52 Memory capacity exceeded on the MT handset
53 SIM application toolkit busy on the MS handset
54 SIM data download error on the MT customer's handset
55 Unspecified MS handset error
60 Absent subscriber. No reason known
61 Absent subscriber due to phone being switched off
62 Absent subscriber due to phone out of coverage/flat battery
63 Absent subscriber due to roaming restriction/restricted area
64 Absent subscriber due to being deregistered in the HLR
65 Absent subscriber due to being purged in the VLR (off for 24+ hours)
66 Absent subscriber (GPRS) cannot be paged by the SGSN
67 Absent subscriber due to GPRS detached
68 Absent subscriber due to deregistration in the HLR (GPRS)
69 Absent subscriber due to GPRS MS purged in VLR
70 Absent subscriber due to unidentified subscriber on the MSC that the FSM was sent to.
71 Absent subscriber due to unidentified subscriber on the SGSN
80 SS7 error. "Duplicate invoke ID"
81 SS7 error. "Service not supported" - The carrier may not support SMS
82 SS7 error. "Mis typed parameter"
83 SS7 error. "No response from peer"
84 SS7 error. Returned when the C7 stack is congested
85 SS7 error. Returned when the C7 stack is shutting down.
86 SS7 error. "Unrecognised error"
87 SS7 error. "Unexpected error"
88 SS7 error. "Unexpected response from peer"
89 SS7 error. "Service completion failure"
90 SS7 error. "invalid response received"
92 SS7 error. "Global Title Translation error"
93 Alphanumeric source address with more than 11 characters or message content not GSM compliant
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