If you use AutoAnswer, see
AutoAnswer with headset or speakerphone, on page 8
.
Headset support
Although Cisco performs limited internal testing of third-party headsets for use with the Cisco DX600 Series
phones, Cisco does not certify or support products from headset (or handset) vendors.
Cisco recommends the use of good-quality headsets that are screened against unwanted radio frequency (RF)
and audio frequency (AF) signals. Depending on the quality of the headsets and their proximity to other
devices such as mobile phones and two-way radios, some audio noise or echo may still occur. An audible
hum or buzz may be heard by either the remote party or by both you and the remote party. A range of outside
sources can cause humming or buzzing sounds : for example, electric lights, electric motors, or large PC
monitors.
In some cases, use of a local power cube or power injector may reduce or eliminate hum.
Note
Because of the environmental and hardware inconsistencies in the locations where Cisco DX600 Series phones
are deployed no single headset solution is optimal for all environments.
Cisco recommends that customers test headsets in their intended environment to determine performance before
they make a purchasing decision and deploy on a large scale.
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 perform well with Cisco
DX600 Series phones. For details, see the headset documentation.
3.5 mm headsets
You can plug a 3.5 mm headset into the headset port at the back of your phone.
Some headsets may have hardware incompatibilities with the phone, including pinout, microphone voltage,
and device control functionality. Headsets with an incompatible or nonexistent microphone generally can be
used with the phone built-in microphone for voice calls.
Wireless headset
Cisco DX600 Series phones support wireless headsets. Refer to the wireless headset documentation for
information about using the wireless headset remote features. Also, check with your system administrator to
be sure that your phone can use a wireless headset with the wireless headset remote hookswitch control feature.
Cisco Desktop Collaboration Experience DX600 Series User Guide, Release 10.0(1)
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7
Phone features
Headset
