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Welcome
Congratulations on purchasing your new Plantronics product. This user guide
contains instructions for setting up and using your Calisto Speakerphone
(Speake PA50 Microphone) System.
The Calisto comes in several models:
• The P820 model connects to mobile phones and PC softphones.
• The P825 model connects to mobile phones and PC softphones, and includes a PA50 wireless
mic accessory (see Use Your Calisto with a Wireless Mic on page 22).
• The P830 model connects to mobile phones, softphones, and analog landlines.
• The P835 model connects to mobile phones, softphones, analog landlines and includes a PA50
Wireless Mic accessory
The Calisto offers:
• Full duplex wideband audio with advanced noise cancellation
• A 2.4” color display and dial pad for easy caller ID viewing, dialing, answering, switching, and
muting across devices
• Support for Bluetooth and wired headsets and headphones (2 x 3.5mm jack)
• Many convenient features including integration with top Unified Communications client
applications and softphones, and media players. Please see the
Plantronics Spokes Software
section for a complete list of supported features and more details
With the Calisto, you can:
• Make and answer calls for any of your connected phone lines.
• Manage and switch among multiple calls, even from different phones.
• Easily switch call audio between the built-in speakerphone, a wired headset/headphones/
earbud, or a wireless Bluetooth headset.
• Use the Call Log and Favorites to quickly view and dial numbers.
• Customize settings to make your Calisto work best for you.
Please refer to the separate
safety instructions
for important product safety information prior
to installation or use of the product.
System Requirements
Computer
• Supported Operating Systems: Windows XP®, Windows Vista®, Windows® 7
• Microsoft Windows XP-Service Pack 3 (SP3) or later (Recommended)
Microsoft Windows Vista-Service Pack 1 (SP1) or later (Recommended)
• Microsoft Windows 7-Service Pack 1 (SP1) or later (Recommended)