The Cisco SPA122 ATA with Router is an analog telephone adapter that combines high-quality, feature-rich voice over IP (VoIP) service with LAN connectivity. Easy to install and use, the adapter 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 and LAN with the integrated router. The standards-based SPA122 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.