My main goal was to replace my voicemail... Most of them are hang-up messages from my mom or family member, so I mostly ignore them. Is that voicemail through

My main goal was to replace my voicemail... Most of them are hang-up messages from my mom or family member, so I mostly ignore them. Is that voicemail through your cell provider or Google Voice? I think every provider I've had since 2000 has filtered hang-up messages (presumably messages < n seconds.)