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SIP-T46U

A business SIP desk-phone reference with a 4.3-inch colour display, Gigabit Ethernet and two USB ports. Specify the PBX, firmware and required accessories for your enquiry.

Yealink · Full reference: SIP-T46U

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Manufacturer reference

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

Display & calling

Display
4.3-inch colour LCD, 480 x 272 pixels.
SIP account reference
Up to 16 VoIP accounts; PBX licensing and provisioning require confirmation.
Local conference feature
10-way conferencing in the cited configuration; depends on firmware, PBX and call resources, not the number of SIP accounts.
DSS-key reference
Up to 27 programmable DSS keys across three pages in the cited interface.

Connections & power

Ethernet
Two Gigabit Ethernet ports; no PoE-output function is established.
PoE reference
IEEE 802.3af, Class 3 in the cited sheet; check the supplied unit.
USB interface
Two USB 2.0 ports; combined accessory use depends on configuration.
External power option
Optional Yealink adapter: 5 V DC / 2 A output; confirm plug and package.

Accessory options

Expansion option
EXP43: up to three modules in the cited configuration; accessories and firmware require confirmation.
Wireless option
Wi-Fi and Bluetooth require optional USB accessories; confirm the exact adapter and firmware pairing.
USB recording
Recording through a USB flash drive is listed; media and compatible configuration are required.

Selection notes

  • Confirm the supplied hardware, firmware, accessories and connected system against this manufacturer reference.
  • ISD confirms supply, actual package, price, stock, lead time and local warranty separately.
  • Keep the complete U suffix; do not substitute S, W or another generation.
  • Wireless and headset functions depend on matching accessories and firmware. Provide the adapter model and required headset function before selection.
  • Do not assume every listed accessory or expansion module is included or that all combinations work simultaneously.
  • The source carries copyright 2023 but no printed revision; its upload-directory date is not a hardware or firmware version.

Official documents

Manufacturer source checked 2026-10-15. The supplied unit and local terms require confirmation.

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