This powerful gateway integrates traditional telephone and VoIP for more cost-effective voice communications, routing calls accordingly to desk, home, or cellular phones. It enables you to save on charges for long-distance calling, voice mail, and other services right out of the box.Plus, the gateway offers easy setup through a Web-based configuration interface. It also seamlessly detects and installs SIP phones so every user in your office can be making and receiving calls in no time at all.