The Telecommunications department supports the College of Staten Island’s telephone systems. The services provided include the maintenance & repairs of all telephone related equipment, managing individual phone extensions, call routing configurations and voicemail integration.

CSI Phone Directory

Telephone & Voice Mail Instructions:

  • Internal Phone Calls
    • Dial four-digit phone extension for internal calls
  • External Phone Calls
    • Dial 9 + 1 + (seven-digit telephone number)
  • Voicemail
    • Microsoft 365 email is integrated with CSI’s telephone system. Voicemail messages are delivered to a user's email inbox as an attachment.

Contact the Office of Information Technology Services Helpdesk at extension 3695 for Telephone and Voicemail assistance.