Upcoming Teams Telephony Service Maintenance - Call Flows and SIP Phones
We will be upgrading the backend infrastructure for the Teams telephony service on Tuesday, July 22, 2025, between 6:30 AM and 8:00 AM. This upgrade will affect call flows (auto attendants and call queues) and SIP phones.
This upgrade is not expected to impact telephony performance. However, if you experience any issues after the maintenance window, please contact the IT Support Centre during regular business hours by filling out the online help form or calling (613) 533-6666.