Since November 27th, Twilio has started reporting intermittent SMS delivery delays to the Telecom Personal network in Argentina: https://status.twilio.com/incidents/7tq5bq2mp9db
While Twilio continues to work with their carrier partner, they were informed that Telecom Personal is dealing with higher than usual SMS volume in their network which is impacting the provider's processing capacity and resulting in intermittent delivery delays.
There’s currently no ETA provided by the network operator on the recovery of the service but this issue has the highest priority for resolution.
We will provide a further update once the carrier has confirmed the incident is resolved.
What do you need to do?
If you are observing intermittent message delivery issues to Argentina, you are likely impacted by this network operator-end incident. We recommend using alternative communication channels for the affected network until the incident is fully resolved.