Friday 5th September 2025

Telstra Integrated Messaging for NAB - Notice of Planned Service Maintenance, scheduled 11 months ago

Dear Customer,

We are writing to inform you that we will be performing maintenance work on the Telstra Integrated Messaging platform for NAB.

Change reference: PCR-6674

Description: 1 of 2 BCP Failover

Maintenance start time: 13 September 2025, 1:00 AM AEST Maintenance end time: 13 September 2025, 5:00 AM AEST

Impact: Estimated 10-15 minutes outage in the first hour

We will email you at the beginning and end of the maintenance period.