Yealink SIP-T57W Technical Specifications
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 dual-band Wi-Fi:
- Bluetooth headset
- Mobile contacts synchronisation
- Bluetooth call
- USB port (2.0 compliant) for:
- Wired/wireless USB headset
- USB call recording through USB flash drive
- Colour-screen expansion modules EXP50 (up to 3)
- Content Sharing (via Yealink VCD)
- Enhanced DSS key
Directory
- Local phonebook up to 1000 entries
- Blacklist
- XML/LDAP remote phonebook
- Smart dialling
- 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
- Centralised call recording, call recording
Display and indicator
- 7" 800 x 480 capacitive adjustable touch screen
- LED for call and message waiting indication
- Dual-colour (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
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 synchronisation 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
- Colour: 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