Queste Communications provides voice over internet protocol (VoIP) telephony software solutions and services in Australia. It offers VoiceNet System networks that connect with other VoIP and PSTN networks via VoiceNet Gateways allowing users to communicate worldwide.
The company, through its 48% interest in Orion Equities Limited, also invests in listed and unlisted securities, holds real estate properties for development and resale, and operates an olive grove estate.