SIP-T48S

Manufacturer reference

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

SIP account capacity

16 accounts in the cited version

Display

7-inch 800 × 480 colour touch screen with backlight

Network ports

Dual-port Gigabit Ethernet

PoE

IEEE 802.3af, Class 3 in the cited version

USB interface

1 USB 2.0 port listed; accessory use requires compatibility checks

Wireless accessory options

Optional BT40/BT41 Bluetooth and WF40/WF50 Wi-Fi USB dongles; firmware and accessory revision require confirmation

Expansion interface

RJ12 EXT listed; up to 6 expansion modules in the cited version. Module SKU, firmware and power arrangement must be confirmed.

External power option

Optional Yealink adapter, 5 V DC / 2 A; local plug and supplied bundle require confirmation

Conference feature

3-way conferencing listed; PBX, service and call configuration require confirmation

Selection notes

• SIP account capacity is not a guarantee of simultaneous calls. Check the PBX or provider, firmware and required calling features.
• USB dongles and expansion modules require separate accessory and firmware checks; this reference does not identify an EXP43 module for SIP-T48S.
• Power adapters and optional accessories are not assumed to be included. ISD confirms the supplied revision, package, price, stock, lead time and local warranty separately.

Official documents

• Yealink SIP-T48S official datasheet

Manufacturer source checked 2026-10-14. The supplied unit and local terms require confirmation.