![Zte ZTE-G S213 User Manual Download Page 40](http://html1.mh-extra.com/html/zte/zte-g-s213/zte-g-s213_user-manual_941312040.webp)
40
Problem
Possible causes
Possible solution
too much network traffic to
handle additional calls).
short time.
You are too far away from a
base station for your service
provider.
You can request a
service area map from
your service provider.
Poor network trunk quality on
the part of your service
provider.
Press
End key
and
dial again. You may be
switched to a better-
quality network trunk
or phone line.
Echo or noise
Poor local telephone line
quality.
Press
End key
and
dial again. You may be
switched to a better-
quality network trunk
or phone line.