SMS Delivery Delays to Airtel Network in Zambia

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to the Airtel Network in Zambia for a subset of Long Codes. This incident has been resolved

Posted Dec 08, 2025 - 21:19 PST

Monitoring

We are observing recovery in SMS delivery when sending messages to the Airtel Network in Zambia for a subset of long codes. 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 Dec 08, 2025 - 19:28 PST

Update

We are still experiencing SMS delivery delays when sending messages to Airtel Network in Zambia for a Subset of Longcodes. 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 Dec 08, 2025 - 16:53 PST

Update

We are still experiencing SMS delivery delays when sending messages to Airtel Network in Zambia for a Subset of Longcodes. 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 Dec 08, 2025 - 14:53 PST

Investigating

We are experiencing SMS delivery delays when sending messages to Airtel Network in Zambia for a Subset of Longcodes. 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 Dec 08, 2025 - 13:53 PST

This incident affected: CARRIER NETWORK (SMS, Middle East & Africa).