SoftBank 815T User Manual page 349

Problem
Cannot receive voice and video
calls.
Cannot send messages.
Cannot receive messages.
Calls are interrupted or
disconnected.
The handset does not respond to key
presses.
Cannot use FeliCa.
・Is Reject Calls (page 11-14) set?
・Is Call Forward (page 14-3) or Voice Mail (page 14-5) set to All Calls?
・Is Call Barring (page 14-8) set?
・Is Call Barring (page 14-8) set?
・Is Call Barring (page 14-8) set?
・Does the " " indicator appear on the display? Are you out of the service area or in a location where a
signal cannot reach your handset? Move to a location where a signal can reach your handset.
・Is your hand or another object covering the internal antenna part (page 1-7) of your handset?
・Does the " " indicator or Password Lock appear on the display? The phone lock (page 12-3) is activated.
Enter your security code (page 1-22).
・Is " " displayed?
Turn off IC Card Lock (page 20-5).
Possible Causes and Remedies
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21-11