Resolved after 1 day 18 hours, affecting Prompt.io (Production) - API and Prompt.io (Production) - Agent Tools, on March 14, 2023.
We have been informed that T-Mobile has finally resolved 10DLC delivery issues. All operations now normal.
Affected components
Update timeline
- investigating Mar 14, 2023, 09:53 PM UTC
We are experiencing deliverability issues for SMS and MMS to some T-Mobile handsets due to upstream carrier issues. We are monitoring closely. Texts to T-Mobile handsets may return inappropriate 30003 error messages while this issue is being resolved by our upstream partners.
- investigating Mar 15, 2023, 04:25 PM UTC
We continue to see sporadic delivery issues to a subset of T-Mobile customers. This seems to affect a small number of T-Mobile subsidiaries. This has been identified as a problem at the carrier (T-Mobile) network level and is being widely reported by our upstream partners. We will keep an eye on this and update accordingly.
- investigating Mar 16, 2023, 12:31 AM UTC
We have reports that messages to T-Mobile are flowing again. However, we are still testing and are keeping the incident open until tomorrow morning out of an abundance of caution. We believe all messaging delivery to T-Mobile will be resolved shortly. Thank you for your patience and understanding.
- investigating Mar 16, 2023, 03:57 PM UTC
We have been informed that T-Mobile has finally resolved 10DLC delivery issues. All operations now normal.
- resolved Mar 16, 2023, 03:57 PM UTC
Incident Resolved by T-Mobile.
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