Cisco 7931G - Unified IP Phone VoIP Руководство по администрированию - Страница 4

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Headset

Although Cisco performs internal testing of third-party headsets for use with the Cisco Unified IP Phones,

Cisco does not certify or support products from headset or handset vendors.

We recommend 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 phones and two-way radios, some audio noise or echo can

still occur.

An audible hum or buzz may be heard by the remote party, or the remote party and the Cisco Unified IP Phone

user. A range of outside sources such as electric lights, electric motors, or PC monitors can cause humming

or buzzing sounds. (In some cases, hum can be reduced or eliminated by using a local power cube or power

injector.)

The Cisco Unified IP Phone 7931G supports wideband headsets.

Note

These environmental and hardware inconsistencies in the locations where Cisco Unified IP Phones are deployed

means that not one single headset solution is optimal for all environments.

We recommend that customers test headsets in their intended environment to determine performance before

making a purchasing decision and deploying en mass.

Audio Quality

Beyond 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 Unified IP Phones.

For additional information, see the

Cisco.com.

Connect Headset

You can use the headset with all of the features on the Cisco Unified IP Phone, including the Volume and

Mute buttons. Use these buttons to adjust the ear piece volume and to mute the speech path from the headset

microphone.

To connect a headset to the Cisco Unified IP Phone,

Procedure

Step 1

Plug the headset into the Headset port on the back of the phone.

Step 2

Press the Headset button on the phone to place and answer calls using the headset.

Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP

and SIP)

Headsets for Cisco Unified IP Phones and Desktop Clients

Cisco Unified IP Phone Installation

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