Specifications

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Headsets allow users to hold hands-free conversations. A headset is a
combination earphone and microphone worn on the head, useful for
receptionists, salespeople, or others who need to have their hands free
while talking on the phone. AT&T offers several compatible headsets.
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Specialty Handsets are designed for those individuals who need greater
functionality than that provided by the handsets on system phones and
standard phones. For example, an amplified handset is available for
certain system phones for hard-of-hearing users.
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In-Range Out-of-Building (IROB) protectors are required to prevent
electrical surges from damaging your system when phones or other
standard devices (such as a doorphone) are installed in a location other
than the building where the control unit is installed. The system supports
the AT&T IROB protector, which provides coverage for up to 3,000 feet
(915 meters) for standard devices and 1,000 feet (305 meters) for system
phones. (IROBs must be installed by a qualified technician.)
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Off-Premises Range Extender (OPRE) allows you to connect a standard
touch-tone phone beyond 3,000 feet (915 meters) in another building on
the same continuous property. It also allows you to use a special circuit
from your local phone company to provide off-premises station capability.
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Electromagnetic Interference (EMI) filters allow you to block “noise”
generated by a nearby radio station, as well as most electrical devices.
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Caller ID devices, such as a PC with Caller ID software, support
applications for storing or processing Caller ID information. You can
connect these devices provided you subscribe to the service from your
local phone company and connect the device directly to the Caller ID
line. To install devices, refer to “Connecting Caller ID Devices” in the
PARTNER Plus Communications System Installation guide for details.
Follow the manufacturer’s instructions packaged with the devices. To order
auxiliary equipment, refer to “Product Ordering Information” in Appendix B.
If a Device Has Trouble
Two System Programming procedures can be used to adjust the system
settings for auxiliary equipment installed at an extension, if a device has trouble
answering calls or dialing out. If a device (such as an answering machine) does
not pick up transferred or intercom calls, you can use Distinctive Ring (#308) to
change the ringing, so that all calls ring like outside calls at that extension. If an
autodialing device (such as a modem) has trouble autodialing, use Intercom
Dial Tone (#309) to change the intercom dial tone for the extension to Machine
(outside line) dial tone.
Using Auxiliary Equipment 4-3