User manual

152
Problem Possible causes Possible solution
Echo or
noise
The network link quality
is poor on the part of your
service provider.
End the call and
dial again. You
may be switched
to a better-quality
network link or
phone line.
The local telephone line
quality is poor.
End the call and
dial again. You
may be switched
to a better-quality
network link or
phone line.
Unable
to select
certain
features
Your service provider does
not support these features,
or you have not applied for
services that provide these
features.
Contact your
service provider.