Sinch's DI SMS 365 (iSMS) platform experienced delays in message delivery for both mobile terminating and mobile originated traffic, as well as delivery receipt notifications, lasting 5.6 hours from April 23, 2026 17:10 GMT to 23:11 GMT. The issue was detected through internal monitoring and affected customers connected to the iSMS platform. The incident was resolved and normal message processing without delays was confirmed through monitoring.
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We are pleased to inform you that the issue with the isms platform has been resolved.
We have monitored the results and we confirm that the messages are getting processed without any delay.
Incident Start Date & Time (GMT) : 23 April 2026 17:10 GMT.
Incident End Date & Time (GMT) : 23 April 2026 23:11 GMT.
We appreciate your patience and understanding.
If you have any questions related to this Incident, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select 'support' from the menu, option 2 for Digital Interconnect and then option 1) and reference this notification.
We are continuing to investigate this issue.
We will update once more information is available.
We are continuing to investigate this issue.
Ticket Number :: MNOC-63953
Services:: DI SMS 365 (iSMS)
Description ::
Our internal monitoring has alerted to an incident. Few of our customers connected to iSMS platform may observe potential delay in delivery of messages.
Impact ::
Mobile Terminating (MT) Traffic: Potential Delay in delivery
Mobile Originated (MO) Traffic: Potential Delay in delivery
DR Notification : Potential Delay in delivery
Report Manager Access : Not Impacted
Report Manager Statistics : Not Impacted
Incident Start Date & Time (GMT) : 2026-04-23 17:10 GMT
If you have any questions, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470.300.8394 (select ‘Support’ from the menu, option 2 for Digital Interconnect, and then option 1) and reference this notification.
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