The incident has been resolved and SMS delivery receipts from a subset of Twilio Short Codes to Dish network subscribers in the United States are operating normally.
We have observed a recovery in SMS delivery from Twilio to Tigo network subscribers in Honduras and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
We have fully investigated the issue with Validity Period setting within Messaging Services, and it was determined that the impact was limited to a small set of customers. All systems are operational.