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Headset Jack
You can use this telephone hands-free when
you install a 2.5 mm headset (purchased
separately). To install, plug the headset into
the HEADSET JACK at the top of the handset.
While in headset mode, the volume of
headset is controlled by the telephone and
the handset’s earpiece and microphone
are disconnected.
Ordering a Headset: In the event you
wish to purchase a headset for your
C440, please contact Plantronics at
1-800-544-4660 for location near you.
We recommend using the Plantronics
M110 or M130 headset.
Belt Clip
You may choose to use the optional belt
clip with your handset.
1. To attach slide belt clip down onto
groves. Press the tabs on the belt clip
into the slots to attach.
2. To remove, lift one side of the belt clip
with your thumbnail and push back.
Hearing Aid Compatibility
The handset has a special coil inside of it to
couple the sound to hearing aids equipped
with T-Switches/T-Coils.
Getting Started
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