SMS Delivery Receipt Delays from a Subset of Twilio Pre-Registered Sender IDs to Altan Redes Mexico

Event timeline

How this incident unfolded, from the official status page.

1. Investigating

   10 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Phone Numbers to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

2. Investigating

   10 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Pre-Registered Sender IDs to Altan Redes network subscribers in Mexico. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

3. Identified

   10 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

4. Identified

   10 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

5. Identified

   9 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Altan Redes network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

6. Identified

   9 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.

7. Identified

   9 days ago

   SendGrid

   Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.

8. Monitoring

   9 days ago

   SendGrid

   We have observed a recovery in SMS delivery receipts from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

9. Monitoring

   9 days ago

   SendGrid

   We have observed a recovery in SMS delivery receipts from a subset of Twilio Sender IDs to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

10. Monitoring

    8 days ago

    SendGrid

    We have observed a recovery in SMS delivery receipts from a subset of Twilio pre-registered sender IDs to Altan Redes network subscribers in Mexico and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.