Plantronics Supra Plus HW251 is a wired headset and it is plug and play on Yealink phones. But in pr
2015-04-18
The BT40 USB dongle can’t be recognized when connecting to T46/T48, phone gives no reaction.BT40 har
2015-03-10
The BT40 USB dongle successfully connected to phones, it can’t detect the Bluetooth headset when sca
2015-03-11
DD10K can be used as a base station to connect up to 4DECT handsets. But customer don’t know how to
2015-03-11