5.4 Troubleshooting
Making and Receiving Calls
Issue
I cannot make calls.
I cannot make long
distance calls.
The unit does not
ring when a call is
received.
While talking to an
outside party, the line
is disconnected.
106
Operating Instructions
Possible Cause
The phone number was entered
incorrectly.
The unit is downloading a
firmware update.
The phonebook list is being
imported or exported.
Your telephone service does not
allow you to make long distance
calls.
The ringer is turned off.
Your phone system/service may
impose a time limit on outside
calls.
Solution
•
Confirm that you have entered the phone
number of the other party correctly.
•
Consult your administrator or dealer.
You cannot make calls while the unit is
downloading updates. Wait for the update to
finish, and then try making a call.
•
Wait a few minutes for the operation to
complete.
•
Confirm with your administrator or dealer.
Make sure that you have subscribed to your
telephone company's long distance service.
Press the [+] volume key while a call is being
received, or change the ringer volume
setting.
Consult your dealer to extend the time limit, if
necessary.
Document Version: 2017-08