The best phone system in Australia is SIP line, Boomed one headline from August 2013. About a decade ago, only a few hundred people in Australia had access to internet access through their landline phone lines. In that time, the SIP line ecosystem has grown to over 23 million subscribers and matured into a robust platform extending beyond local service providers (LSPs) into telecommunication services for business and government users, and nationwide rollouts of new features like video calling and chat messaging.