Sometimes it might be required to re-detect the Dialogic boards in order to let the drivers to reinitiate the default values. To do so: - Run Intel Dialogic Configuration Manager (DCM) and make sure Dialogic service is stopped. In case this is still running press the red button to stop it. - Close DCM. - Run "regedit" from Windows Start -> Run and go to "HKEY_LOCAL_MACHINE\SOFTWARE\Dialogic". - Delete the whole folder "Installed Boards". - Close the Registry Editor. - Run DCM again and let it detect boards. - If necessary reconfigure the board with your PBX settings. - Run Dialogic service by pressing the green button. .