... .Standby 2.Call ten numeric keys and one call key and two leds 1V1 wireless voice door phone1.Standby2 ... at the same time.5 Ten numeric keys,One Call key and two LEDs:power indicator (red) and working indicator ... , but answer 1 minute,then end the CALL state. B,If off-hook, beep tone stopped , enter the call ... process of waiting for the off-hook, press CALL key again 1,If Indoor monitor in the ring , then ...