Yealink T57W Prime Business Phone Optional(T57W+EXP50) VoIP phone SIP-T57W

Product Description                                                                                                                            Yealink T57W Prime Business Phone Optional(T57W+EXP50) Voip phone SIP-T57WPrime Business Phone to Deliver Optimum Desktop ProductivitySIP-T57W• 7" 800 x 480 capacitive adjustable touch screen • Adjustable LCD screen • Dual firmware images • T53/T53W/T54W/T57W firmware unified • Built-in Bluetooth 4.2 • Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n/ac) • USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50 • Up to 16 VoIP accounts • Dual-port Gigabit Ethernet • PoE support • HAC Handset • Paperless label design • Wall mountableKey Features                                                                                                                                        1.Outstanding User Experience Yealink SIP-T57W IP Phone features an adjustable 7-inch capacitive touch screen that you can readily adjust it to the comfortable viewing angle according to yourself. In addition, clearly defined set of menus is easy to navigate through when all you have to do is touching the desired option, that ensuring you an optimized interface for a smartphone-like user experience. 2.HD AudioThe SIP-T57W is coupled with the latest version of Yealink Optimal HD Voice technologies, including Yealink Acoustic Shield technology, that effectively eliminate background distractions and noises, deliver crystal clear voice even in a noisy environment. Meanwhile, complying with the latest Hearing Aid Compatibility (HAC) Regulations, its HAC handset helps the person who is with hearing loss to hear the voice more clearly. 3.High ExpandabilityA built-in USB 2.0 port allows you to enjoy USB call recording via USB flash drive. Via this USB port, you also can connect wired/wireless USB headset without connecting Yealink EHS36 anymore, and connect up to 3 Yealink expansion modules EXP50 which can be programmed with up to 180 paperless DSS keys 4.Efficient Installation and ProvisioningThe Yealink SIP-T57W supports efficient provisioning and effortless mass deployment with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings. Furthermore, a unified firmware and auto-p template that applies to T53/T53W/T54W/T57W phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance. 5.Wireless TransmissionYealink SIP-T57W IP Phone not only furnish you with the built-in Bluetooth 4.2 for Bluetooth headsets and mobile contacts synchronization, but also the built-in dual band Wi-Fi for Wi-Fi connectivity, allowing you to access the 5G Wi-Fi connectivity handily. Also if you want to expand your horizons for busy environments, or, share one phone system with your small team by adding multiple handsets, just simply turn your IP phone to the corded-cordless phone via DECT technology. Moreover, the IP phone can function with Yealink VC Desktop together to share content from your laptop, making collaboration much easier than before. Specification                                                                                                                                        Audio features• HD voice: HD handset, HD speaker • Hearing aid compatible (HAC) handset • Acoustic Shield • Smart Noise Filtering • Audio codec: Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, iLBC • DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO • Full-duplex hands-free speakerphone with AEC • VAD, CNG, AEC, PLC, AJB, AGCDisplay and Indicator• 7" 800 x 480 capacitive adjustable touch screen • LED for call and message waiting indication • Dual-color (red or green) illuminated LEDs for line status information • Wallpaper • Intuitive user interface with icons and soft keys • Multilingual user interface • Caller ID with name, number and photo • Screensaver • Power savingPhone Features • 16 VoIP accounts • One-touch speed dial, hotline • Call forward, call waiting, call transfer • Mute, DND, call hold, redial, call return, auto answer • Group listening, SMS, emergency call • 10-way conferencing • Direct IP call without SIP proxy • Ring tone selection/import/delete • Set date time manually or automatically • Dial plan, XML Browser, Action URL/URI • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) • Built-in dual band Wi-Fi: - Network standard: IEEE802.11a/b/g/n/ac - Transmission rate: Up to 433Mbps (dynamic) - Frequency range: 2.4GHz/5.0GHz • Built-in Bluetooth for: - Bluetooth headset, - Mobile contacts synchronization - Bluetooth call - Simultaneous connection of one headset and one mobile phone • USB port (2.0 compliant) for: - Wired/wireless USB headset - USB call recording through USB flash drive - Color-screen expansion modules EXP50 (up to 3) - Wireless Headset Adapter EHS40 • USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone, USB connectivity to Yealink UH36 he