Zte BLADE VANTAGE User Manual page 146

Problem
Echo or
noise
Unable
to select
certain
features
Possible Causes
Poor network link
quality on the part of
your service provider.
Poor local telephone
line quality.
Your service provider
does not support these
features, or you have
not applied for services
that provide these
features.
Possible Solution
End the call and
dial again. You
may be switched
to a better-quality
network link or
phone line.
End the call and
dial again. You
may be switched
to a better-quality
network link or
phone line.
Contact your
service provider.
144