... home voice call solutions. What the advantage of KAER VOIP phone? Better voice performance, Good signal, convenient to use, Good ... of all, register a SIP account,second connect the phone with available WiFi, Then login your account to make calls and ... check Main functions voice call, contacts,SIP parameter settings, WiFi、Accessories User manual, power supply, batteryDimension182mm×188mm×73.5mm Weight ...