Place of Origin : Shenzhen,China

Based on SIP,Website:http://www.voipphonetech.com, the Cisco SPA303 IP Phone provides comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers.FeaturesPixel-based monochrome display (128 x 64)3-line business class phone with line indication4-soft key buttons and 4 way navigational clusterFixed features include mute, headset, speakerphone, and holdMessage