Cisco Cius Manuale - Pagina 7

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Setting Up Cisco Cius

Cisco recommends the use of good-quality external devices, for example, headsets that are screened against

unwanted radio frequency (RF) and audio frequency (AF) signals. Depending on the quality of headsets and

their proximity to other devices such as mobile (cell) phones and two-way radios, some noise or echo may

still occur. A hum or buzz may be heard either by the remote party or by both the remote party and Cisco Cius

user. Humming or buzzing sounds can be caused by a range of outside sources; for example, electric lights,

electric motors, or large PC monitors. See the

In some cases, you can reduce or eliminate hum by using a local power cube or power injector.

Note

These environmental and hardware inconsistencies in the locations where Cisco Cius are deployed means that

there is not a single headset solution that is optimal for all environments.

Cisco recommends that customers test headsets in their intended environment to determine performance before

making a purchasing decision and deploying them system wide.

Audio Quality Subjective to the User

Beyond the physical, mechanical, and technical performance, the audio portion of a headset must sound good

to the user and to the party on the far end. Sound quality is subjective and Cisco cannot guarantee the

performance of any headsets. However, a variety of headsets from leading headset manufacturers are reported

to perform well with Cisco devices. See manufacturer sites for details.

Wired Headsets

Cisco Cius supports 3.5 mm single plug headsets. To connect a wired headset to Cisco Cius, plug it in to the

headset port on the bottom of Cisco Cius to place and answer calls using the headset. Single plug wired

headsets may also be plugged into the headset port, located on the left side of the media station.

You can use the wired headset with all of the features on Cisco Cius, including the Volume and Mute buttons.

Use these buttons to adjust the earpiece volume and to mute the speech path from the headset microphone.

If the headset is analog, see the for the procedure on configuring the wideband codec.

Bluetooth Wireless Headsets

Cisco Cius supports Bluetooth Version 2.1+EDR technology when the headsets support Bluetooth. Bluetooth

enables low-bandwidth wireless connections within a range of 30 feet (10 meters). The best performance is

in the 3- to 6-foot range (1 to 2 meters). You can pair five or more headsets, but only the last one connected

is used as the default.

There can be a potential interference issues. Cisco recommends that you reduce the proximity of other 802.11b/g

devices, Bluetooth devices, microwave ovens, and large metal objects. If possible, configure other 802.11

devices to use the 802.11a channels.

For a Bluetooth wireless headset to work, it does not need to be within direct line-of-sight of the Cisco Cius

device, but some barriers, such as walls or doors, and interference from other electronic devices could affect

the connection.

Adding a Bluetooth Wireless Headset to Cisco Cius

By default, Bluetooth is enabled for Cisco Cius on the Cisco Unified Communications Manager.

OL-27284-01

Using External Devices, on page

Cisco Cius Administration Guide, Release 9.2(4)

Headsets

10, for more information.