| November 18, 2010 | Support added for Asterisk 1.6. |
| July 7, 2009 | Addition of the ability to transfer robot calls to a human agent. |
| June 4, 2008 | The information displayed on the called telephone is set by the project designer in configuration files overall and on a project by project basis. |
| April 4, 2008 | Addition of extra precautions to avoid calls outside of planned hours (call requests older than 15 minutes are ignored). |
| April 4, 2008 | Addition of the Robot caller id pound instruction that specifies which number the IVR robot displays when calling. |
| April 2, 2007 | The CallWeb robot system identifies and manages ZAP channels stuck in resetting mode. |
| April 1, 2007 | The CallWeb robot system has now placed more than 6 million calls. |
| March 31, 2007 | The CallWeb robot system has now placed more than 2 million calls. |
| March 25, 2007 | Addition of distinct usage of PRI (local and long distance calls) and LD-T1 (long distance calls only) lines using usager.conf instructions. |
| November 26, 2006 | Redesign of the robot system to run as a continuous process rather than as an HTML page; addition of a central robot management module as part of cwsuper.cgi. |
| November 2, 2006 | Modification of the call disposition management system to reduce the system requirements and to move the load from the Asterisk server to the CallWeb server. |
| October 21, 2006 | The CallWeb robot system has now been tested with half a million calls. |
| October 3, 2006 | Addition of the ability to use as many lines as are available while leaving enough for human interviewers. |
| July 31, 2006 | Official launch. |