Yealink SIP-T31W IP Phone (T31W)

Key Features:

• Built-in Dual-Band Wi-Fi: Supports 2.4 GHz and 5 GHz Wi-Fi for easy wireless deployment without Ethernet cabling.

• 2.8″ Color LCD: Clear color display for call status, menus, and phone features.

• Support for Up to 2 SIP Accounts: Handles multiple VoIP lines or extensions.

• HD Voice Quality: Yealink Optima HD Voice ensures clear and natural audio with wideband codecs.

• Gigabit Ethernet: 1 × 10/100/1000 Mbps port with Power over Ethernet (PoE) support (optional).

• Flexible Connectivity: Includes RJ9 headset port and support for EHS adapters for wireless headsets.

• Efficient Deployment: Yealink auto-provisioning and easy configuration for quick rollouts.

• Compact Design: Small footprint and tiltable stand suitable for desktops or small spaces.

Hardware & Technical Specs:

• Display: 2.8″ color LCD

• SIP Accounts: Up to 2

• Network Interfaces:
  • Built-in Dual-Band Wi-Fi (2.4 GHz / 5 GHz)
  • 1 × Gigabit Ethernet (10/100/1000) with PoE

• Audio: HD Voice with wideband codec support (including Opus, G.722)

• Headset Support: RJ9 port with EHS adapter compatibility

• Power Options: PoE (802.3af) or optional adapter

• Protocols & Standards: SIP v1/v2 (RFC 3261), IPv4/IPv6, TLS/SRTP (secure calls where supported)

• Physical: Desktop stand with adjustable angle; wall-mountable

• Environmental: Typical office temperature and humidity tolerances