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SMS Queue Functionality

In this section you may learn about the SMS retry times, when the SMS failed to be delivered.
Monogoto system has an SMS queue functionality that will attempt to deliver your SMS in case it failed to deliver. Below you can find some information on the SMS failures and the SMS retry attempts when the SMS failed to be deliver.
SMS failure message in portal
Failure message explanation
SMS delivery retry times in seconds
"blocked by a Security Rule"
SMS are blocked by Security rules in portal
SMS retry will not be attempted
"Sms MT is blocked for Thing"
MT SMS are currently blocked in Thing Menu or whole account
SMS retry will not be attempted
"is blocked by a Thing setting"
SMS functionality is blocked in Thing Menu or whole account
SMS retry will not be attempted
"Absent Subscriber" / "Absent Subscriber for SM"
SIM card is currently not connected to an operator or the device is currently not enabled
1st attempt - 300s
2nd attempt - 900s
3rd attempt - 1800s
4th attempt - 2700s 5th attempt - 3600s
"Subscriber Busy for MT SM"
SIM card is currently busy and can not receive SMS
1st attempt - 4s
2nd attempt - 6s
3rd attempt - 8s
4th attempt - 10s 5th attempt - 30s
6th attempt - 60s
7th attempt - 120s
8th attempt - 240s
9th attempt - 480s
10th attempt - 680s
"System Failure"
SMS delivery failed due to system or protocol related reasons
1st attempt - 10s
2nd attempt - 30s
3rd attempt - 60s
4th attempt - 120s
"SM Delivery Failure"
SMS failed to deliver due to one of the below reasons:
-Unknown Service Center Address
-Service center congestion
-Invalid short message entity address
1st attempt - 10s
2nd attempt - 30s
3rd attempt - 60s
4th attempt - 120s
6th attempt - 300s
7th attempt - 900s
8th attempt - 1800s
9th attempt - 2700s
10th attempt - 3600s
"UNIDENTIFIED_SUBSCRIBER"
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SIM card is currently not connected to an operator or the device is currently not enabled
1st attempt - 10s
2nd attempt - 30s
3rd attempt - 60s
4th attempt - 120s
6th attempt - 300s
7th attempt - 900s
8th attempt - 1800s
9th attempt - 2700s
10th attempt - 3600s
"UNEXPECTED_DATA_VALUE"
SMS was rejected by the operator due to decoding error or signaling fault
1st attempt - 10s
2nd attempt - 30s
3rd attempt - 60s
4th attempt - 120s
6th attempt - 300s
7th attempt - 900s
8th attempt - 1800s
9th attempt - 2700s
10th attempt - 3600s