SMS Delivery Failure to Altan Redes Network in Mexico

Incident Report for Twilio

Resolved

The incident causing SMS delivery failures to to Altan Redes Network in Mexico using short codes and registered Alpha Sender IDs has been resolved, except for a small number of customers. We are closing this incident and will reach out to these customers individually for further follow-ups.

Posted Sep 07, 2023 - 16:07 PDT

Monitoring

SMS messages sent from short codes to Altan Redes Network in Mexico are successfully being delivered and the sender is not being replaced, allowing replies to be received. Additionally we continue to see recovery in SMS messages sent from registered Alpha Sender IDs to Altan Redes Network in Mexico. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 07, 2023 - 14:06 PDT

Identified

SMS messages sent from short codes to Altan Redes Network in Mexico are successfully being delivered but with a generic Alpha Sender ID, so 2-way is currently not possible. Additionally customers who have registered an Alpha Sender ID in Mexico were experiencing 100% failure towards the specific network but we are now seeing a recovery. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Sep 07, 2023 - 13:13 PDT

Monitoring

We are observing successful SMS delivery to Altan Redes Network in Mexico using subset of Short Codes. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 07, 2023 - 11:22 PDT

Update

We are continuing to investigate SMS delivery failure when sending messages to Altan Redes Network in Mexico using subset of Short Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Sep 07, 2023 - 10:31 PDT

Update

We are continuing to investigate SMS delivery failure when sending messages to Altan Redes Network in Mexico using subset of Short Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 07, 2023 - 08:27 PDT

Investigating

We are experiencing SMS delivery failure when sending messages to Altan Redes Network in Mexico using subset of Shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Sep 07, 2023 - 07:26 PDT

This incident affected: CARRIER NETWORK (SMS, Latin America).