AT&T Partner II - Manual (Page 101)

Speakerphone Performance Tips
The speaker and microphone on your MLS-34D, MLS-12D, or MLS-12
telephone is controlled by a sensitive sound-activated switch. Room acoustics
and background noise can affect the proper operation of the speaker. To
ensure that your speaker works effectively, follow these guidelines:
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Avoid placing your phone in areas with high background noise caused by
loud voices, radios, printers, copiers, typewriters, other noisy office
equipment, and heater and air conditioning fans.
Avoid rustling papers near the microphone (lower right corner of your
phone).
Avoid talking before the other person is finished speaking. When you
both talk at the same time, only one person’s voice comes through.
When talking, always face your phone and stay within two feet of it.
Place your phone at least six inches away from the edge of your desk.
If you have difficulty hearing the other party, increase the speaker
volume. If the difficulty persists, lift your handset to continue the
conversation.
In conference rooms, a separate speakerphone (such as the AT&T S203
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Speakerphone) is recommended, since the built-in speaker on an MLS-
or MLC-model phone is designed for individual use.
Standard Telephones
In addition to MLS- and MLC-model phones, you can connect industry-standard
touch-tone or rotary phones to your equipment controller. (This includes some
phones with programmable buttons or built-in calling features, called feature
phones.) You can also combine standard phones on the same extension with
an MLS- or MLC-model phone or other device without using expensive adapters
or connectors.
At least one standard phone should be available for use in the event of a power
failure (for more information, see “Power Failure Operation” on page 2-4), and
you should use a standard phone for a Hotline phone (see page 2-5). If you use
a standard phone, keep these guidelines in mind:
■ Power Failure Backups. In the event of a power failure, standard phones
at extension jacks 10, 16, 22, and 28 can place and answer calls on lines
at line jacks 01, 07, 13, and 19, respectively. MLS- and MLC-model
phones, which require electrical power, will not work. You can connect a
standard phone in combination with an MLS- or MLC-model phone at
power failure extensions, or you can simply keep spare standard phones
at those extensions to serve as replacements in case of a power failure.
Placing calls. To dial an outside call, just lift the handset and make the
call; precede the phone number with your Centrex dial-out code if you
have one. To dial an inside call to another extension, dial the Centrex
extension number. Standard telephones can access Centrex services,
but not equipment features.
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Using Telephones 6-7