Call problems – Samsung SGH-I637MAAATT User Manual
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118
Call Problems
Problem
Description Solution
I entered a number but it was 
not dialed
•
Be sure that you pressed
.
•
Check if your wireless connection 
to your mobile service provider is 
switched on and the signal from 
the network is unobstructed.
•
You set an outgoing call barring 
option.
My correspondent cannot 
reach me
•
Be sure that your phone is 
switched on pressed 
for
more
than one second.
•
Check if your wireless connection 
to your mobile service provider is 
switched on and the signal from 
the network is unobstructed.
•
You set an incoming call barring 
option.
My correspondent cannot 
hear me speaking
•
Be sure that you switched on the 
microphone.
•
Make sure that the phone is close 
enough to your mouth. The 
microphone is located at the 
bottom of the phone.
The audio quality of the call 
is poor
•
Adjust the voice volume by 
pressing the volume control up or 
down.
•
Check the signal strength indicator 
on the display (
); the number
of bars indicates the signal 
strength, from strong to weak.
•
Try moving the phone slightly or 
moving closer to a window if you 
are in a building.
i637.book Page 118 Monday, April 20, 2009 10:19 AM