Plantronics Calisto User Manual page 95

Handset and/or headset
does not ring.
The handset/headset
does not ring for VoIP
calls, or VoIP calls are
not working.
The ringer is turned off. Follow the steps
in "Turning the ringer off" on page 23 for
instructions on how to turn the ringer back on.
The headset is not properly paired with the
handset. Press the Headset
and see if the headset icon is displayed on the
handset screen. If the icon is not displayed,
follow the steps in "Pairing with a new headset"
on page 39 to pair your headset with your
handset.
The base is not properly connected to a
telephone jack.
The headset battery is dead. Place the headset
onto the charging base to charge. The LED
indicator glows red when the headset is
charging and glows blue when the headset is
fully charged.
PerSonoCall is not installed or not configured
correctly.
Make sure you have the latest version of
PerSonoCall. Please check
com/support and click on "Software
Downloads" to make sure you have the latest
version.
The USB cable is disconnected or damaged.
Unplug and replug the cable into both your
handset and your computer.
You are using an older version of the VoIP
application on your computer that is not
supported by your Calisto Pro. Download the
latest version of your VoIP software.
Make sure Calisto is selected as the audio
device in the options on your VoIP software and
that it is not muted.
Microsoft Windows is having problems. Make
sure you have the latest updates from Microsoft.
Try to restart your computer.
DRAFT
button once
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