The Yealink SIP-T31W is an entry-level Wi-Fi-enabled IP desk phone designed for small to medium businesses, office communication, and SIP-based VoIP systems.

It delivers HD voice quality, dual-band Wi-Fi connectivity, simple deployment, and secure enterprise communication, making it a cost-effective solution for modern workplaces that want to reduce cabling and improve flexibility.

Key Features

2.3-inch graphical LCD display (132 × 64 resolution)

Built-in Dual-Band Wi-Fi (2.4GHz & 5GHz)

Supports up to 2 SIP accounts

HD Voice with Smart Noise Filtering Technology

Full-duplex speakerphone with echo cancellation

Local 5-way conference calling

Programmable DSS keys for quick access functions

Dual 10/100 Mbps Ethernet ports

Power over Ethernet (PoE support)

RJ9 headset support (with EHS compatibility)

Call features: Hold, Transfer, Forward, Mute, DND

Phonebook support (up to 1000 entries)

Wall-mount and adjustable stand support

Secure signaling with TLS & SRTP encryption