Polycom, Inc. 24
Audio Features
After you set up your Polycom phones on the network, phone users can send and receive calls using the
default configuration. However, you might consider modifications that optimize the audio quality of your
network. This section describes the audio sound quality features and options you can configure for your
Polycom phones. Use these features and options to optimize the conditions of your organization’s phone
network system.
Polycom NoiseBlock™
Polycom NoiseBlock technology automatically mutes the microphone during video calls when a user stops
speaking, silencing noises, such as paper shuffling, food wrappers, and keyboard typing that interrupt
conversations. When a user speaks, the microphone is automatically unmuted.
The Polycom NoiseBlock feature is now enabled by default on Polycom Trio systems. Polycom NoiseBlock
is disabled and not available when the Polycom Trio system Base Profile is set to SkypeUSB.
Configuring Polycom NoiseBlock
The following parameters configure the Polycom NoiseBlock feature.
Microphone Mute
You can configure the Polycom 8800 and 8500 systems to play an audible tone when the mute status of the
device is changed either from any of the mute buttons of the system (device and any connected devices)
or far-end (remote mute) system. This allows to know if the microphone of the system are in mute or un-mute
state. In addition, you can set a periodic reminder which plays a tone periodically when the phone is in mute
state. The time interval can be set using configuration parameter and the value must not be less than five
seconds.
Polycom NoiseBlock Parameters
Parameter
Temp l at e
Permitted Values
voice.ns.hf.blocker
new.cfg
1 (default) - Enable the NoiseBlock feature.
0 - Disable the NoiseBlock feature.
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