Please try the steps below in order to fix the issue:
-If you are using Voice Activated Record and the recording does not stop after a message is finished, trying increasing the "Voice Active Detect Level".
-If you do not see the black VU meters moving on the main screen of VRS you might need to manually select your sound record device. Go to Settings -> Options -> Channels -> Properties and select the Record Device (sound card) to use for the channel from the pull down list and click ok.
-If you see the VU meters moving on the main screen of VRS but it still does not start recording check your Record Start/Stop settings for the channel. To access these settings go to Settings -> Options -> Channels Tab -> Properties -> Start/Stop Properties Tab. Make sure the 'Voice Activated Recording' button is selected and adjust the 'Detect Time' and 'Detect Level' as necessary for your application.
-If you are using Voice Activated Recording and recording never starts, chops off the ends or stops early, reduce the "Voice Active Detect Level". If it is very low (-24dB or lower) then you may have a record volume problem.
***If the problem continues, please open a support ticket at supportnch@nchsoftware.com