Radio Shack 5.8 GHz Multi-Handset Expandable Cordless Telephone with Digital Answerer - Manual (Page 7)

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7
IMPORTANT CALLER
ID INFORMATION
To use Caller ID and Call Waiting, you must
be in an area where those services are
available and you must subscribe to those
services through your local phone company.
Where Caller ID is offered, one or more
options are generally available:
• caller’s number only
• caller’s name only
• caller’s name and number
If you subscribe to Call Waiting and Caller
ID, the system can show you the incoming
caller information, even when you are
already talking on the phone.
R
EAD
T
HIS
B
EFORE
I
NSTALLATION
We have designed your phone to conform
to federal regulations when you can connect
it to most phone lines. However, each
device that you connect to the telephone
line draws power from the line. We refer to
this power draw as the phone’s ringer
equivalence number, or REN. The REN is
on the bottom of your phone.