After investigation with carrier partners and verification of correct performance on our routes, we are classifying this incident as invalid and are marking it resolved. We apologize for the incorrect categorization of the incident.
The issue affecting SMS delivery to the AT&T Network in the US from a subset of longcodes has been resolved, and the service is functioning normally at this time.
We are no longer experiencing the issue causing customers to be unable to add decimal values during account billing top-ups. This incident has been resolved.
Our Engineers have detected multiple network degradations over AT&T in the US. For that reason, we have merged this incident with the one for failures via Short codes. For the latest updates, please refer to our ongoing Status updates here: https://status.twilio.com/incidents/jnf8mp4mfj1b
We are no longer experiencing the issue causing SMS delivery failures from Twilio Short Codes and Toll Free numbers to the AT&T Network in the US. This incident has been resolved.