Sinch Operator Notification - T-Mobile US

Incident Report for Sinch

Resolved

This incident has been resolved.

Incident Start Time: 2021-03-19 18:30 UTC
Incident End Time: 2021-03-19 20:54 UTC

Please contact support@sinch.com should you require further information or assistance.
Posted Mar 19, 2021 - 21:48 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Mar 19, 2021 - 20:34 UTC

Identified

We have been notified by T-Mobile that one of their SMSC sites has been placed into maintenance mode.
The MT traffic queued towards T-Mobile's impacted site are completely drained.
Posted Mar 19, 2021 - 20:06 UTC

Update

We are continuing to investigate this issue.
Posted Mar 19, 2021 - 19:36 UTC

Investigating

Dear Client,

We are writing to inform you that we are observing delivery issues towards T-Mobile US.

Impact MT: Clients may experience delayed or rejected MTs towards T-Mobile - US.
Impact MMS: Clients may experience delayed or rejected MMS MTs towards T-Mobile - US
Impact DLR/MO: Clients may experience delayed or failed DLR and MOs from T-Mobile - US.

Incident start time: 2021-03-19 18:30 UTC

We appreciate your patience and apologize for any inconvenience experienced while we are working with the operator to resolve this issue.

Please contact support@sinch.com should you require further information or assistance.
Posted Mar 19, 2021 - 19:20 UTC
This incident affected: External Connectivity (SMS - US - ShortCode, SMS - US - Toll Free, SMS - US - 10DLC, MMS - US).