Calisto
®
540
Key features
Eases the transition to PC calling
· Familiar keypad design puts users
at ease
· Speakerphone and headset port for
hands-free options
· Optimized for Microsoft
®
Office
Communicator 2007 R2
Excellent audio quality
· Wideband for best PC
audio telephony
· SoundGuard
®
technology provides
protection against audio spikes
User-friendly design
· Simple plug-and-play USB connection
· No AC power supply required
Backed by Plantronics global
service and support
Enjoy the convenience of a traditional desk phone to manage PC calls
The Calisto 540 USB desk phone bridges the gap between traditional phone functionality and
PC communications. A backlit LCD display shows incoming caller ID, time and user’s online status.
The integrated speakerphone and headset option provides hands-free convenience, without
compromising the PC audio clarity.
Backlit LCD
display
Speaker
Redial button
Flash button
Delete button
Volume control
Microphone mute button
Headset button
Speakerphone button
Presence/status light
PC COMMUNICATIONS
© 2010 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Calisto, SoundGuard and Sound Innovation are trademarks or registered trademarks of Plantronics, Inc. Microsoft is a
trademark or registered trademark of Microsoft Corporation in the U.S. and other countries. Published March 2010
For more information about the
Calisto 540 or other Plantronics
products, please visit our Web site
at:
plantronics.com
TEL: 800-544-4660 (U.S. AND CANADA)
831-458-7700 (OUTSIDE U.S.)
Additional information
Connects to
PC via USB
Ideal for
Users transitioning to PC telephony
Audio performance
Wideband — up to 6,800Hz; automatic gain control;
dynamic noise reduction, acoustic echo cancellation
Hearing protection
SoundGuard — protects against sound levels above 118dBA
Headset port
RJ-22 connector compatible with Plantronics H-top headsets
Limited warranty
1 year
Optimized for Microsoft
®
Office Communicator 2007
Model number: P540-M
