Comdial DXP Attendant Manual page 140

Speakerphone Characteristics
NOTE: Pressing any button (mute, hold, etc.) on the speakerphone while in
full-duplex mode causes the system to perform the "speech training" test
again. For example, if you press MUTE while in full-duplex mode, when you
release the call from mute, the system will perform the entire "speech
training" test again.
Speakerphone User Guidelines
• Both parties can not talk at the same time. You must wait for silence out
of your loudspeaker before talking. You must stop talking to hear the
other party.
• Background noise may prevent the sound-activated switches from operat-
ing properly. Avoid placing the speakerphone where it will detect sounds
from typewriters, keyboards, printers, paging systems, and other equip-
ment.
• Speak slightly louder than normal and with a clear, authoritative voice.
For the microphone to best detect your voice, speak within three feet of it
and face the telephone.
• Raising the volume of the loudspeaker makes it easier for the sound-
activated switches in your telephone to select the distant party's voice.
Lowering the volume of the loudspeaker makes it easier for the switches
to select your voice.
• Since the system takes several seconds to provide the best switching, con-
stant sound patterns—such as elongating your words and playing
externally-supplied music—may prevent the sound-activated switches
from operating properly.
• Place the telephone on a hard surface and away from table edges. Do not
place the telephone in corners or enclosures. Do not let obstructions come
between you and the microphone. Rooms with hard, flat surfaces that
reflect sound may affect the sound-activated switches.
• If you are using a handset and the other party is using a speakerphone,
avoid breathing heavily into your microphone. Avoid other sounds that
may affect the distant telephone's sound-activated switches.
• In some situations, such as when either you or the distant party are in a
noisy environment, you may have to lift your handset to ensure a clear
conversation.
• When both you and the distant party use speakerphones, the sound-
activated switches can occasionally detect both voices simultaneously,
thus blocking out both voices.
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Attendant Manual