Cisco Aironet 521 Manual - Halaman 21

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Halaman Cetak

Headsets

Field Name

Side USB Port

Back USB Port

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

Disabled

8861, 8865, and

8865NR:

Enabled

Disabled

Enabled

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