Product Description
| 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, AGC |
| Display 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 saving |
| 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/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 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 |
| Corded-Cordless Phone (via DECT Dongle DD10K) | • Up to 4 DECT cordless handsets • Up to 4 concurrent calls • Support Yealink W52H/W53H/W56H/DD Phone/CP930W • Slave Handset for Master Deskset |
| IP-PBX Features | • Busy Lamp Field (BLF), Bridged Line Apperance (BLA) • Anonymous call, anonymous call rejection • Hot-desking, voice mail • Flexible seating, Executive and Assistant • Call park, call pickup • Centralized call recording, call recording |
| Directory | • Local phonebook up to 1000 entries • Black list • XML/LDAP remote phonebook • Google contacts • Smart dialing • Phonebook search/import/export • Call history: dialed/received/missed/forwarded |
| Feature keys | • 29 one-touch DSS keys • 7 feature keys: hold, transfer, message, headset, mute, redial, speakerphone • Volume control keys • Illuminated mute/headset/hands-free speakerphone key |
| Interface | • Dual-port Gigabit Ethernet • Power over Ethernet (IEEE 802.3af) • 1 x USB port (2.0 compliant) • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port |
| Management | • Configuration: browser/phone/auto-provision • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy • Auto-provision with PnP • Broadsoft device management • Zero-sp-touch, TR-069 • Phone lock for personal privacy protection • Reset to factory, reboot • Package tracing export, system log |
| Network and Security | • SIP v1 (RFC2543), v2 (RFC3261) • Call server redundancy supported • NAT traversal: STUN mode • Proxy mode and peer-to-peer SIP link mode • IP assignment: static/DHCP/PPPoE • HTTP/HTTPS web server • Time and date synchronization using SNTP • UDP/TCP/DNS-SRV(RFC 3263) • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP • SRTP for voice • Transport Layer Security (TLS1.2) • HTTPS certificate manager • AES encryption for configuration file • Digest authentication using MD5/MD5-sess • OpenVPN, IEEE802.1X • IPv6, LLDP/CDP/DHCP VLAN, ICE |
| Other Physical Features | • Color: Classic Grey • Wall mountable (optional) • External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output • USB output currency: 5V 500mA • Power consumption (PSU): 3.2W-6.3W • Power consumption (PoE): 4.0W-7.8W • Dimension (W*D*H*T): 259.4mm*220mm*211mm*44.5mm • Operating humidity: 10~95% • Operating temperature: -10~50°C (+14~122°F) |
| Package features | • Package content: - Yealink SIP-T57W IP phone - Handset with handset cord - Ethernet Cable - Stand - Quick Start Guide - Power Adapter (Optional) • Qty/CTN: 5 PCS • N.W/CTN: 8.86 kg • G.W/CTN: 9.79 kg • Giftbox size: 324 mm*293 mm*128 mm • Carton Meas: 680 mm* 303 mm*342 mm |