User's Manual

86
Cannot Dial Out
Please confirm whether the dial key is pressed after the number is
dialed.
Please confirm whether the call is barred due to owned toll.
Please confirm whether the (U)SIM card is valid or not.
Please confirm whether the call restriction function is set up.
Please confirm whether the fixed dial function is set up.
Bad call quality
Check whether the volume is adjusted appropriately.
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.
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
Please confirm that the phone is powered on and is uplinked with
network;
Please confirm that the call is barred because of owned toll;
Please confirm whether the (U)SIM card is valid;
Please confirm whether the fixed dial function is set up;
Contact cannot hear you
Please confirm that the microphone is opened.
Please keep the microphone at the bottom of the phone close to your
mouth.
Short standby time
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
the stand-by time of the battery. Please move to the place where the