| Change Control Event | Restart Expressway SIP trunks in Cisco Call Manager (10-20 second downtime per sip trunk restart, will confirm they’re not in use before resetting). | Change Control Event | Restart Expressway SIP trunks in Cisco Call Manager (10-20 second downtime per sip trunk restart, will confirm they’re not in use before resetting).CHG0072129 2023-08-22 21:30:00 – 2023-08-22 21:35:00Restart Expressway SIP trunks in Cisco Call Manager (10-20 second downtime per sip trunk restart, will confirm they’re not in use before resetting).