Cisco 6901, 8841, and 8861 IP Phone Systems Maintenance from 10:00 PM on 31 May to 02:00 AM on 1 Jun

Users Affected	Specific users with Cisco 6901, 8841, and 8861 IP Phones
Start Time	31 May 2025 (Sat) 10:00 PM
End Time	1 Jun 2025 (Sun) 02:00 AM
Cause	Essential upgrade on the firmware for specific Cisco 6901, 8841, and 8861 IP Phones
Service Affected	The affected Cisco 6901, 8841, and 8861 IP Phones and the network connection of the PC will experience several short interruptions for 10-15 minutes when the phone is not engaged
Enquiry	Email: nst@itsc.cuhk.edu.hk Phone: 3943 8877 or 3943 8832
Status	Scheduled

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