تلفن تحت شبکه یالینک T53W W/O PSU
This device supports 12 SIP accounts and 4 simultaneous calls. It has a 160×360 resolution display and can handle three-way audio conferencing. It supports PoE, full-duplex HD sound, two USB 2.0 ports, WiFi through WF40/WF50, Bluetooth 4.2, and expansion modules.
- The description claims support for three-way audio conferencing.