
Peripheral Devices
GCA39-818 Rev 3, Issue 9/01 Page 2 Printed in the USA
Caller Identification
The caller ID unit interfaces with analog CO lines only. It is not needed for T-1 or PRI
applications. Caller ID service must be ordered from the local service provider. This hardware
device supports either 4 or 8 caller ID conditioned lines per unit. You can serially connect 4- and
8-port devices to give larger systems the ability to support a maximum of 64 caller ID
conditioned lines.
The caller ID unit interfaces with the common equipment cabinet through any undedicated serial
data port. Any proprietary LCD speakerphone can receive and display caller ID information. The
display conveys all available caller ID information from the time the call rings at the station,
through all line transitions, until the line disconnects.
The communications system stores caller ID information in its SMDA storage and makes it
available in the SMDA printout.
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