Connecting A Headset; Disabling A Headset; Using External Devices - Cisco 6921 Administration Manual

Understanding the Cisco Unified IP Phones 6921, 6941, and 6961 Components
For information about wireless headsets that work in conjunction with the wireless headset remote
hookswitch control feature, see:
http://www.cisco.com/en/US/partner/prod/voicesw/ucphone_headsets.html.

Connecting a Headset

To connect a wired headset to the Cisco Unified IP Phone, plug it into the Headset port on the back of
the phone. Press the Headset button on the phone to place and answer calls using the headset.
You can use the wired 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.

Disabling a Headset

You can disable the headset by using Cisco Unified Communications Manager Administration. If you
do so, you also will disable the speakerphone.
To disable the headset from Cisco Unified Communications Manager Administration, choose Device >
Phone and locate the phone that you want to modify. In the Phone Configuration window for the phone,
check the Disable Speakerphone and Headset check box.

Using External Devices

The following information applies when you use external devices with the Cisco Unified IP Phone:
Cisco recommends the use of good quality external devices that are shielded (screened) against
unwanted radio frequency (RF) and audio frequency (AF) signals.
Depending on the quality of these devices and their proximity to other devices such as mobile phones or
two-way radios, some audio noise may still occur. In these cases, Cisco recommends that you take one
or more of the following actions:
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Cisco cannot guarantee the performance of the system because Cisco has no control over the quality of
external devices, cables, and connectors. The system will perform adequately when suitable devices are
attached using good quality cables and connectors.
In European Union countries, use only external headsets that are fully compliant with the EMC Directive
Caution
[89/336/EC].
Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP)
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Move the external device away from the source of the RF or AF signals.
Route the external device cables away from the source of the RF or AF signals.
Use shielded cables for the external device, or use cables with a better shield and connector.
Shorten the length of the external device cable.
Apply ferrites or other such devices on the cables for the external device.
Chapter 3 Setting Up the Cisco Unified IP Phone
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