558
Appendix/Index
Error message
Cause and remedy
Page
Switching
to video call
failed
Appears when
switching to video
call fails. Switching
is not possible during
emergency call and
audio guide, when the
other party is using
Catch Phone (call
waiting service), when
calling out side the Xi
area, etc.
P.191
P.193
Switching to
video call failed
due to network
environment
or switch
rejection
Appears when the
other party rejects
switching to video call,
etc.
P.203
Failed to
switch to voice
call
Appears when
switching to voice
call fails due to
communication
error, etc. Wait for a
while and retry the
operation.
P.192
Unable to dial
Appears when making
video call fails. Make
sure that you are in Xi
Area, and check the
calling mode settings,
settings of mobile
network, etc.
P.191
P.219
P.415
