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Phone System

Zoom Phone and Fax System
Beginning in July 2026, all Central Islip School District phone and fax services are hosted through the Zoom Phone platform using Yealink phones and accessories.
 
Making Calls
  • Outside Calls: Dial the full 10-digit number. Do not dial 9, 1, or 9 + 1 before the number, as the call will fail.
  • Internal Calls: Dial the 4-digit extension number.
  • Emergency Calls: 911 can be called from any district phone, including phones not enabled for regular outside calling.
Online Faxing
All faxes are sent and received electronically through Zoom. Traditional fax machines will be phased out and fully decommissioned by January 2027.

Instructions and Support