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 Technical Support FAQ's
Our technical support team has compiled and analyzed all technical-related questions that our customers have frequently asked.
 Setting-Up Your System
To minimize all errors while setting-up your system, we have also prepared the correct configuration for your computer to connect to the internet. A clear and concise step-by-step procedure that allows you to configure your system fast and easy.

 General Setting
Here is a brief list of information that helps you configure your Tri-Isys Internet post-paid connections with correct settings.

Dial-Up Numbers for Post-Paid 450-4888

Server Settings - Post-Paid Subscribers

  • POP3(Incoming Mail Server): pop3.tri-isys.com
  • SMTP(Outgoing Mail Server): smtp.tri-isys.com
  • Domain Name: http://www.tri-isys.com
  • For more info on configuring your system's settings, please call our technical support hotline at 230-8799 or 480-0888 or e-mail us at support@tri.ph. Thank you.

    Which value-added service do you prefer?

    a. Anti_virus
    b. Web accelerator
    c. Web hosting
    d. Global roaming
    e. Wifi
    Main Office: Helpdesk Hotline:
  • 230-8777
  • 480-0777
  • 230-8799
  • 480-0888
  • 230-8000
    Fax Number:  
  • 230-8792 (Prepaid Sales)
  • 230-8795 (Postpaid Sales)
  • 243-3749 (Accounting/Billing)