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- ESI eCloud Hosted PBX
- SIP Phones
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ESI will be performing scheduled maintenance to update software on ESI desk phones only (ePhone 3, ePhone 4x, ePhone X-1) beginning Tuesday, February 3, 2026, through Saturday, February 7, 2026.
During this time, phones may reboot once between 8:00 PM CST and 5:00 AM CST. Each reboot will take approximately 5 minutes.
These updates are being applied to improve stability and resolve known issues. No action is required on your part.
[Scheduled] ESI Desk Phone Software Update
- Past notices
- No further notices from the past 7 days.