Yealink T57W 16-Line IP Phone — SIP-T57W

The Yealink SIP-T57W is a premium 16-line SIP IP desk phone engineered for executives, managers, and power users who demand the highest level of communication capability. Featuring a large 7-inch capacitive color touchscreen, built-in Bluetooth and Wi-Fi, and dual Gigabit Ethernet ports, it delivers an intuitive smartphone-like experience in a professional desktop form factor. Whether managing high call volumes, hosting conference calls, or integrating with UC platforms, the T57W handles it all with elegance and precision.

Key Specifications

• Part Number / MPN: SIP-T57W
• Manufacturer: Yealink
• Product Line: T5 Series
• SIP Lines: 16
• Display: 7-inch capacitive color touch screen (800 x 480 resolution)
• Bluetooth: Yes — built-in (Bluetooth 4.2)
• Wi-Fi: Yes — built-in (802.11 a/b/g/n/ac, 2.4GHz & 5GHz)
• Ethernet Ports: Dual Gigabit (10/100/1000 Mbps)
• PoE: Yes (IEEE 802.3af)
• USB Ports: 2x USB 2.0

Audio Performance

• HD Voice: Yes — Yealink Acoustic Shield technology
• Wideband Audio: Yes (G.722)
• Full-Duplex Speakerphone: Yes
• Supported Codecs: G.711 (A/μlaw), G.722, G.723.1, G.726, G.729AB, G.729, iLBC, Opus
• DTMF: In-band, Out-of-band (RFC 2833), SIP INFO
• Echo Cancellation: Yes

Display & Interface

• Screen: 7-inch capacitive color touchscreen, 800 x 480 px
• Backlit Keys: Yes
• Programmable Keys: 29 one-touch DSS keys (on-screen)
• Hard Keys: Volume, Mute, Headset, Speakerphone, Hold, Transfer, Conference, Redial, Messages

Connectivity

• LAN Port: Gigabit Ethernet (10/100/1000 Mbps)
• PC Port: Gigabit Ethernet (10/100/1000 Mbps) — pass-through
• Wi-Fi: 802.11 a/b/g/n/ac dual-band (2.4GHz & 5GHz)
• Bluetooth: 4.2 — for headsets and mobile integration
• USB: 2x USB 2.0 (for headsets, Wi-Fi dongle, or recording)
• PoE: IEEE 802.3af (Class 3)
• EHS Support: Yes (Electronic Hook Switch for compatible headsets)

Features

• 16 SIP accounts — ideal for high call volume environments
• Built-in Wi-Fi — no additional dongle required
• Built-in Bluetooth — pair wireless headsets or mobile devices directly
• Yealink Acoustic Shield — background noise suppression for clear calls
• Busy Lamp Field (BLF) support for monitoring extensions
• Call recording via USB
• XML/LDAP/Local phonebook with up to 1,000 entries
• Call history: up to 100 records each for missed, placed, and received calls
• Supports Yealink DECT handsets and expansion modules (EXP50)

Physical & Environmental

• Dimensions: 271 x 220 x 130 mm (with stand)
• Weight: Approx. 1.1 kg
• Power: PoE (IEEE 802.3af) or optional AC adapter (5V/2A)
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Storage Temperature: -30°C to 60°C

Compatibility

• Compatible with major SIP-based UC platforms: Cisco BroadWorks, Metaswitch, Asterisk, FreePBX, 3CX, Avaya, Genesys
• Microsoft Teams and Zoom Phone certified variants available separately
• Compatible with Yealink EXP50 expansion module for additional DSS keys
• Supports auto-provisioning via TFTP, FTP, FTPS, HTTP, HTTPS
• Compatible with Yealink Device Management Platform (YDMP) for centralized management