89
z
Check whether the volume is adjusted appropriately.
z
Use the phone at the place where the receiving quality is not good, such
as near to the building or in the basement where the radio wave cannot
reach.
z
Use the phone at the peak time, such as at the time of going on/off the
duty, the channel is congested.
Contact cannot call you
z
Please confirm that the phone is powered on and is uplinked with
network;
z
Please confirm that the call is barred because of owned toll;
z
Please confirm whether the (U)SIM card is valid;
z
Please confirm whether the fixed dial function is set up;
Contact cannot hear you
z
Please confirm that the microphone is opened.
z
Please keep the microphone at the bottom of the phone close to your
mouth.
Short standby time
z
The stand-by time is relevant to the system setup. The phone is possibly
at the place where the signal state is bad. When the phone cannot
receive the signal, the phone will transmit to search the base station
continuously; consuming a great deal of battery capacity and shortening
