PoE Yealink SIP-T57W Prime Business Open Box and Unused. Power Supply is included, just not pictured.

Prime Business Phone to Deliver Optimum Desktop Productivity

Especially designed for busy executives and professionals, Yealink SIP-T57W is an easy-to-use Prime Business Phone with an adjust- able 7-inch multi-point touch screen that you can not only easily and flexibly find the comfortable viewing angle according to the personal and environmental needs, but also get a rich visual presentation and easy navigation with just one-touch. With the built-in Blue- tooth 4.2 and the built-in dual band 2.4G/5G Wi-Fi, the SIP-T57W IP Phone ensures you to keep up with the modern wireless technology and take the first chance in the future wireless age. Its built-in USB 2.0 port allows for USB recording or a direct wired/wireless USB headset or up to three Yealink EXP50 expansion modules connection. Benefitting from these features, the Yealink SIP-T57W is a powerful and expandable office phone that delivers optimum desktop efficient and productivity.

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.

HD Audio

The 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.

Audio Features

• HD voice: HD handset, HD speaker

• Hearing aid compatible (HAC) handset

• Acoustic Shield

• Smart Noise Filtering

• Audio codec: Opus, G.722, PCMU (G.711A), PCMA

(G.711μ), G.729, G.729A, G.729B, G.729AB, 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, AGC

Phone 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

- 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 headset: - Basic functions: Answer / end, call mute

- Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control

• Content Sharing (via Yealink VCD)

• Enhanced DSS key