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Isoton Pty Ltd
Company typePrivate company
Computer software
FoundedAdelaide, Australia August 1988; 35 years ago (1988-08)
  • Gregory Steer
  • Robert Brady
Area served
Key people
  • Gregory Steer (CEO, MD)
ProductsMVNE Platform, MVNO, BSS, OSS, SCP, GGSN, SMSC, IVR, OCS, Lawful interception, DCCA

Isoton is a telecommunications company founded by Greg Steer[1] in 1988. The company is headquartered in Australia, with international offices in Singapore and Indonesia. It is specialized in developing and managing carrier network software and systems.


The company was established as a telecom solution provider in 1988. In 1992, ISOTON introduced the first ISDN PRI-based mass-calling IVR platform. The years 1992 - 1997 marked the launch of the world's first Mobile Virtual Network Operator (MVNO) and sub-brand.

In 2002, ISOTON deployed an enterprise wholesale management solution, and in 2006, the company released an intelligent network-based Mobile Virtual Network Enabler (MVNE). From 2006 to 2013, ISOTON undertook the deployment of Vodafone TPG MVNE. In 2017, the company deployed U Mobile Malaysia.

The years 2020 and 2021 saw ISOTON becoming GSMA 5G ready and launching an AI/ML augmented decision-making product called IMZI, respectively. In 2022, ISOTON started its operations in India.


  1. ^ Dequito, Imee. "Pendula and Isoton partner to revolutionize telco customer retention strategies". IT Brief Australia. Retrieved 9 February 2024.