Audio Features
HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Acoustic Shield 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
Phone Features
16 VoIP accounts Call hold One-touch speed dial Hotline Call forward, call waiting, call transfer Mute, DND Group listening, SMS Emergency call Redial, call return, Auto answer 3-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 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) Content Sharing (via Yealink VCD)(1) Enhanced DSS key
Directory
Local phonebook up to 1000 entries Black list XML/LDAP remote phonebook Smart dialing Phonebook search/import/export Call history: dialed/received/missed/forwarded 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 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
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
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 1 x RJ12 (6P6C) EXT 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 Power consumption (PSU): Power consumption (PoE): Dimension (W*D*H*T): 259.4mm*220mm*211mm*44.5mm Operating humidity: 10~95% Operating temperature: 0~40°C (+32~104°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: PCS N.W/CTN: kg G.W/CTN: kg Giftbox size: Carton Meas: |