Some customers may ask if it’s possible to save power when the handset are not used or even are talk
2015-04-20
A phone can’t boot up with POE, the power LED doesn’t light when you plug a phone to a POE switch po
2015-03-11
There is nothing displayed on phone screen when booting up, the Power LCD light is on.If the Power L
2015-03-10
If you meet a battery issue that, a full-charge battery only can be used for less than half a day. T
2015-03-11
There are three indicators on the base station, only when three indicators all light solidly the W52
2015-03-11