To make the most of NBN's capabilities for telephonedata cabling systems, ensure that your equipment is compatible with high-speed internet access. This may involve upgrading your modem, router, and telephone devices to models that support NBN technology. Investing in modern, reliable equipment can help optimize performance and ensure seamless connectivity. Voice over Internet Protocol (VoIP) services leverage internet connectivity to make and receive phone calls, offering an affordable and flexible alternative to traditional telephone services. By using VoIP services over NBN, you can take advantage of high-quality voice calls, advanced features (such as call forwarding and voicemail), and cost savings compared to traditional telephone plans.