Background Noise Suppression (Bns); Comfort Noise Fill; Automatic Gain Control (Agc); Presence And Instant Messaging Features - Polycom SoundPoint IP 601 Administrator's Manual

Administrator Guide - SoundPoint

3.3.9 Background Noise Suppression (BNS)

This feature, designed primarily for hands-free operation, reduces background noise to
enhance communication in noisy environments.

3.3.10 Comfort Noise Fill

Comfort noise fill is designed to help provide a consistent noise level to the remote
user of a hands-free call. Fluctuations in perceived background noise levels are an
undesirable side effect of the non-linear component of most AEC systems. This fea-
ture uses noise synthesis techniques to smooth out the noise level in the direction
toward the remote user, providing a more natural call experience.

3.3.11 Automatic Gain Control (AGC)

This feature, applicable to hands-free operation, is used to boost the transmit gain of
the local talker in certain circumstances.
radius and helps with the intelligibility of soft-talkers.

3.4 Presence and Instant Messaging Features

The phone contains both Presence and Instant Messaging features. These features are
compatible with Microsoft
and Windows
are integrated with the contact directory features, using its contact database.

3.4.1 Presence

The Presence feature allows the phone to monitor the status of other users/devices and
allows other users to monitor it. The status of monitored users is displayed visually
and is updated in real time in the Buddies display screen or for speed dial entries on
the phone's idle display. The user can block others from monitoring her phone and is
notified when a change in monitored status occurs
cast automatically to monitoring phones when the user engages in calls or invokes do-
5. AGC support will be available in a subsequent release.
6. Notification when a change in monitored status occurs will be available in a subsequent release.
® ®
IP / SoundStation IP
®
Windows
® Messenger 5.0. The phone's presence and instant messaging features
Copyright © 2005 Polycom, Inc.
5
This increases the effective user-phone
®
Messenger and MSN
6
. Phone status changes are broad-
Features
®
Messenger version 4.7
51