Cisco 500 Series Руководство - Страница 21

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Cisco 500 Series Руководство
Headsets
Field Name
Side USB Port
Back USB Port
Bluetooth
Bluetooth
Profiles
Set Up Wideband Codec
By default, the G.722 codec is enabled for the Cisco IP Phone. If Cisco Unified Communications Manager
is configured to use G.722 and if the far endpoint supports G.722, the call connects using the G.722 codec in
place of G.711.
This situation occurs regardless of whether the user has enabled a wideband headset or wideband handset,
but if either the headset or handset is enabled, the user may notice greater audio sensitivity during the call.
Greater sensitivity means improved audio clarity but also means that the far endpoint can hear more background
noise: noise such as rustling papers or nearby conversations. Even without a wideband headset or handset,
some users may prefer the additional sensitivity of G.722 distracting. Other users may prefer the additional
sensitivity of G.722.
The Advertise G.722 and iSAC Codec service parameter affects whether wideband support exists for all
devices that register with this Cisco Unified Communications Manager server or for a specific phone, depending
on the Cisco Unified Communications Manager Administration window where the parameter is configured.
Procedure
Step 1
To configure wideband support for all devices:
a) From Cisco Unified Communications Manager Administration, choose System > Enterprise Parameters
b) Set the Advertise G.722 and iSAC Codec field
Field Type or
Default
Choices
Disabled
Enabled
Enabled
Disabled
8861, 8865, and
8865NR:
Enabled
Enabled
Disabled
Enabled
Enabled
Handsfree
Handsfree
Human Interface
Device
Description and Usage Guidelines
Controls the ability to use the USB port on the side
of the Cisco IP Phones 8851, 8851NR, 8861, 8865,
and 8865NR.
Phones that do not support this feature do not display
the field.
Controls the ability to use the USB port on the back
of the Cisco IP Phones 8861 and 8865.
Phones that do not support this feature do not display
the field.
Enables or disables the Bluetooth option on the phone.
If disabled, the user cannot enable Bluetooth on the
phone. Supported on the Cisco IP Phones 8845, 8851,
8861, and 8865.
Phones that do not support this feature do not display
the field.
Indicates which Bluetooth profiles on the phone are
enabled or disabled.
Set Up Wideband Codec
Headsets
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