Voice error for a small number of customers

Write-up

On July 21, a configuration change caused voice calls to fail for a small subset of customers for approximately 10 minutes.

Resolution

The issue was identified quickly and resolved by reverting the configuration change. Service was fully restored immediately.

Prevention

We are improving our configuration validation process and strengthening production monitoring to detect similar issues more quickly in the future.

Write-up

Voice error for a small number of customers

On July 21, a configuration change caused voice calls to fail for a small subset of customers for approximately 10 minutes.

Resolution

The issue was identified quickly and resolved by reverting the configuration change. Service was fully restored immediately.

Prevention

We are improving our configuration validation process and strengthening production monitoring to detect similar issues more quickly in the future.