The Cisco SPA112 2 Port Phone Adapter enables high-quality, feature-rich VoIP service through a broadband Internet connection. Easy to install and use, the adapter connects to a router or gateway and then provides two independent standard telephone ports to connect analog phones or fax machines to a VoIP service provider for clear voice calls, reliable fax connections, and simultaneous Internet use. The standards-based SPA112 is compatible with Internet VoIP provider features such as caller ID, call waiting, voicemail, call forwarding, distinctive ring, and much more to provide a complete, affordable, and highly reliable VoIP solution.