Unknown Caller - Cortelco Colleague 2220 Owner's Instruction Manual

UNKNOWN CALLER

When the telephone company is unable to provide information of the caller's
•
telephone number, [ UNKNOWN NUMBER ] and his name will alternately
display on the screen when this information is received.
When the telephone company is unable to provide information of the caller's
•
name, [ UNKNOWN NAME ] and his telephone number will be displayed on
the screen.
When the telephone company is unable to provide information of the caller's
•
name and number, [ UNKNOWN CALLER ] will be displayed on the screen.
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