Calisto 540

  • strict warning: Only variables should be passed by reference in /usr/home/voxspectrum/public_html/Voxspectrum/modules/finder/finder.module on line 797.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/handlers/views_handler_filter.inc on line 589.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/plugins/views_plugin_row.inc on line 135.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/plugins/views_plugin_row.inc on line 135.
  • strict warning: Only variables should be passed by reference in /usr/home/voxspectrum/public_html/Voxspectrum/modules/finder/finder.module on line 797.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Only variables should be passed by reference in /usr/home/voxspectrum/public_html/Voxspectrum/modules/finder/finder.module on line 797.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Declaration of content_handler_field::options() should be compatible with views_object::options() in /usr/home/voxspectrum/public_html/Voxspectrum/sites/all/modules/cck/includes/views/handlers/content_handler_field.inc on line 208.
  • strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/handlers/views_handler_filter_boolean_operator.inc on line 149.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/plugins/views_plugin_style_default.inc on line 25.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Declaration of views_handler_filter_term_node_tid::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/modules/taxonomy/views_handler_filter_term_node_tid.inc on line 303.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Declaration of views_handler_argument::init() should be compatible with views_handler::init(&$view, $options) in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/handlers/views_handler_argument.inc on line 745.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.
  • strict warning: Non-static method view::load() should not be called statically in /usr/home/voxspectrum/public_html/Voxspectrum/modules/views/views.module on line 879.

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.

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

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 2 year
UC Standard Version Optimized for Microsoft® Office Communicator 2007
Model number: Model number: P540-M