Communication Server v4.2.0.1001 r4.2.3144.3 is a software product for Windows developed by Xarios Ltd.
It is reported that the following Windows processes are part of Communication Server v4.2.0.1001 r4.2.3144.3:
If you want to remove Communication Server v4.2.0.1001 r4.2.3144.3 from your computer, just go to Start > Control Panel > Add/Remove programs and select Communication Server v4.2.0.1001 r4.2.3144.3 from the list of programs.