ZyXEL P3GW Service is a software product for Windows developed by ZyXEL Communications Corp.
It is reported that the following Windows processes are part of ZyXEL P3GW Service:
If you want to remove ZyXEL P3GW Service from your computer, just go to Start > Control Panel > Add/Remove programs and select ZyXEL P3GW Service from the list of programs.