Video Conference Phone with 7-inch Touch Screen As a high-end enterprise SIP conference phone with Android 9.0 OS, PLANET ICF-1900 provides a more intelligent and smoother touch operation experience for the users.    The ICF-1900 is a 7-inch high definition touch color screen SIP conference phone with optional 1080p USB camera. This latest innovative advanced color IP multimedia phone creates an immersive, face-to-face experience over the network. Through the powerful combination of  Android 9.0 OS technologies and design, it supports a greater compatibility and more powerful functions. Its large display and movable icons on interface provide the direct access to frequently-used functions and intelligent touch full keypad with ease of use. Its high resolution makes video conferencing very practical, comfortable and high-quality.   Up to 20 SIP lines with 112 one-touch DSS keys on the 7-inch color touch screen, built-in Bluetooth 4.2 and 2.4G/5G wireless make daily communication smarter and simpler. Matching a optional 1080p USB camera , the ICF-1900 can deliver a superb audio and video for group conferencing.   Bundled with audio and video applications, the ICF-1900 is an easy-to-use business video phone. It allows intuitive navigation like  Android 9.0 OS smart phone to operate every function correctly. With its brilliant user experience and rich business features, it can help you make decisions faster, improve customer intimacy, scale scarce resources, and speed products to market. SOHOs, enterprises, organizations, etc. are already using it to control costs, and reinventing the SIP conference phone by merging voice, video and collaboration into one device. This highly-scalable solution is suitable for enterprise mass deployment, and in no time, everyone in the organization will immediately see the benefits of increased productivity and convenient collaboration.    High-quality G.722 HD and Opus Audio Codes  The ICF-1900 delivers with Harman Kardon speaker, wideband G.722 HD and opus audio codec whose both hardware and software HD functions (HD speaker and G.722 audio codec) are the next generation of voice quality for telephony audio, making the quality of voice better than that (toll quality) of the standard digital telephony and come close to that of a room conversation. HD voice is transmitted in the audio frequency range of 50Hz to 7kHz or higher over telephone lines, resulting in higher quality voice and clearer communication. The ICF-1900 keeps bringing the most premium sound for the users.   Secure, High-quality VoIP Communication  The ICF-1900 can effortlessly deliver secure toll voice quality by utilizing cutting-edge QoS (Quality of Service) and 802.1p VLAN tagging. Using voice and data, VLAN can easily separate the data and voice, thus maintaining the best quality.   Standard Compliance and Enhanced Voice Security The ICF-1900 supports IETE Session Initiation Protocol 2.0 (RFC 3261) with Transport Layer Security for easy integration with general voice over IP system. Meanwhile, it provides OpenVPN to enhance voice security. A VPN is created by establishing a virtual point-to-point connection. The SIP conference phone is able to broadly interoperate with equipment provided by VoIP infrastructure providers, thus enabling them to provide their customers with better multimedia exchange services.