Olitech EasyFlip OLT2908 - Page 50

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 Check whether any call barring is
active.
Poor call quality
 Please ensure the volume control is
adjusted to your requirements.
 Please check the network signal
strength.
The other party cannot call you
 Check whether your mobile phone is
switched on and connected to the
network.
 Confirm the other party’s number is
not barred on your phone (see Call
settings  Call barring).
 Check whether the SIM card is valid.
 Check whether any call barring is
active.
Short standby duration
 If you are in a low signal area or are
moving in and out of signal areas
and your phone is required to search
for signal more frequently the battery
life will decrease.