Inbound Caller Id - Polycom 2-Line Phone Owner's Manual

For example, to find the first directory entry whose last name
starts with J, press the 5 key once. To find the first entry whose
last name starts with R, press the 7 key three times.

Inbound Caller ID

Your phone will display the phone number and name of the caller (if
available). This information is displayed on the LCD screen as the
call comes in.
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