On October 17, PennyTel and iVoisys entered into provisional liquidation amid claims PennyTel received $3.9 million in fraudulent payments from another liquidated company - Hi-Tech Telecom - jeopardising the supply of services to their customers.
Customers have reported having trouble topping up their accounts since the announcement of the liquidation.
According to a company statement, MyNetPhone has now reached an agreement with the court appointed provisional liquidator Rodgers Reidy Chartered Accountants, Pennytel and iVoisys's key suppliers to ensure continuity of service to Pennytel and iVoisys's Mobile, VoIP, Broadband and Business customers.
MyNetPhone chief executive Rene Sugo said the firm's priority was continuity of service.
"Ensuring there is no disruption to end-users is critical from our perspective," he said.
"Our team are confident that we can smooth out the experience for PennyTel and iVoisys customers, who have faced a lot of uncertainty in the past week."
A spokesperson for MyNetPhone said the current focus for company to ensure services remained operational.
"Once this is achieved, we will look to integrate the network and billing platform in order to provide the best level of service functionality to these end-users," a spokesperson said.
"MyNetFone is an ASX-listed, profitable and reliable provider that operates Australia's largest VoIP network and provides voice service to not only residential, but also business, enterprise and government customers.
"Therefore, you can be confident that we can provide the reliability and longevity in services."