Cisco IP Phone 6841, Administration Manual

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Connect the Footstand
If your phone is placed on a table or desk, connect the footstand to the back of the phone. The footstand sets
the phone at fixed angle and you cannot change the angle.
Procedure
Align the connectors with the slots and press firmly until the connectors snap into the slots.
Headsets
Cisco Systems performs internal testing of third-party headsets for use with Cisco IP Phones. But Cisco does
not certify or support products from headset or handset vendors.
Headsets connect to your phone using the headset port or the auxiliary (AUX) port. The Cisco IP Phone 6841
does not have an AUX port. Depending upon your headset model, you have to adjust your phone's audio
settings for the best audio experience, including the headset sidetone setting.
After you apply a new sidetone setting, wait one minute and then reboot the phone for the setting to be stored
in flash.
The phone reduces some background noise that a headset microphone detects. You can use a noise canceling
headset to further reduce the background noise and improve the overall audio quality.
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 (cell) phones and two-way radios, some audio noise or echo
may still occur. Either the remote party or both the remote party and the Cisco IP Phone user may hear an
audible hum or buzz. A range of outside sources can cause humming or buzzing sounds; for example, electric
lights, electric motors, or large PC monitors.
Sometimes, use of a local power cube or power injector may reduce or eliminate hum. Note
Environmental and hardware inconsistencies in the locations where Cisco IP Phones are deployed mean that
no single headset solution is optimal for all environments.
We recommend that customers test headsets in the intended environment to determine performance before
making a purchasing decision to deploy on a large scale.
You can use only one headset at a time. The most-recently connected headset is the active headset.
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 we cannot guarantee the performance
of any headsets. However, various headsets from leading headset manufacturers are reported to perform well
with Cisco IP Phones.
For additional information, see https://www.cisco.com/c/en/us/products/unified-communications/uc_endpoints_
accessories.html
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
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Connect the Footstand