What PST Tech Ltd do

  • Virtual Number
  • SIP Trunk / International VoIP Calls
  • International Calling Cards
  • IP PBX
  • Hosted IP PBX
  • Free Branch Calls
  • Call Center System
  • Call Conference System
  • SMS Marketing

Virtual Number

  • DID Numbers
  • International Phone Numbers
  • Forwarding Calls
  • Answer Calls Anywhere

SIP Trunk Services / VoIP Calls

  • Premium CLI- with Caller ID
  • Premium CLI- with DID number
  • Standard with Non-CLI

Getting an account

You can apply for new account for free by calling our sales & marketing or email us at signup@pst-tech.com. After your application has been approved, you will receive an email with your username and password. Once you sign in, you can make a couple of test calls before making a pre-payment.


PST Tech Ltd accept both prepaid and postpaid service. You can set up your payment plan and choose paypal, credit card or bank transfer.

We support the following codecs:


Head Office

  • 140 PAYA LEBAR ROAD, #03-08, AZ @ PAYA LEBAR, SINGAPORE 409015