Dear Customer,
We are writing to inform you that we have completed the maintenance work on the Telstra Integrated Messaging.
Change reference: [Insert the change reference that provided by operations team ]
Maintenance start time: [Insert day/month/year-time - eg: 27/03/2019 - 23:00 AEDT or AEST]
Maintenance end time: [Insert day/month/year-time - eg: 28/03/2019 - 06:00 AEDT or AEST]
Impact: [Was there any downtime or queued messages and if so then state for how long etc]
