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Making and Receiving Calls
Issue Possible Cause & Solution Reference
I cannot make calls.
• Your phone system/service has disabled service for your unit.
→ On the Information Display screen (Page 42), if "Not
registered" is displayed in "Status", consult your
administrator or dealer.
—
• The phone number was entered incorrectly.
→ Confirm that you have entered the phone number of the
other party correctly.
→ Consult your administrator or dealer.
Page 25
• The unit is downloading a firmware update.
→ You cannot make calls while the unit is downloading
updates. Wait for the update to finish, and then try making
a call.
—
• The phonebook list is being imported or exported.
→ Wait a few minutes for the operation to complete.
→ Confirm with your administrator or dealer.
—
I cannot make long
distance calls.
• Your telephone service does not allow you to make long
distance calls.
→ Make sure that you have subscribed to your telephone
company’s long distance service.
—
The unit does not ring
when a call is received.
• The ringer is turned off.
→ Press [ ] while a call is being received, or change the
ringer volume setting.
Page 39
While talking to an outside
party, the line is
disconnected.
• Your phone system/service may impose a time limit on outside
calls.
→ Consult your dealer to extend the time limit, if necessary.
—
Sound Quality
Issue
Possible Cause & Solution Reference
The other party cannot
hear my voice.
• The unit is muted.
→ Press [MUTE] to turn off the mute feature.
Page 30
• If you are using the speakerphone, objects may be obstructing
the microphone.
→ Do not obstruct the unit's microphone during calls. Keep
your hands, as well as common objects such as folders,
cups, and coffee pots away from the unit during calls.
—
74 Operating Instructions Document Version 2011-06
Appendix