SIP-T42U

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Phone type

SIP desk phone

Display

2.7-inch 192 × 64 backlit graphical LCD

Network ports

Dual-port Gigabit Ethernet

USB

Two USB ports

SIP accounts

Up to 12 SIP accounts

Selection notes

• SIP-T42U is a separate model from SIP-T42S, SIP-T43U and other T4-series phones; do not transfer their display or line counts.
• Yealink lists Wi-Fi and Bluetooth through optional WF/BT adapters, not as built-in connectivity. Confirm adapter and headset compatibility, firmware, PBX configuration and power arrangement before selection.
• Confirm ISD stock, supplied package and local warranty separately; the manufacturer page makes no ISD supply commitment.

Official documents

• Yealink SIP-T42U official product specifications

Manufacturer source checked 2026-10-07. The supplied unit and local terms require confirmation.