Smoke Signals 24 Button version has 24 user configurable buttons. The operation of the 24 Button version of Smoke Signals has all of the features of the 42 button version, only fewer buttons for smaller offices.

Pricing:

24-Button Version
$99.99 per workstation ( 1- 15)

 16+ Enterprise version  Call! 

$295 for 1 year of unlimited phone support and software updates.