VoIP (Voice over Internet Protocol) supports flexible calling features like call forwarding, voicemail

https://andreswsnu645.nexorafield.com/posts/voicemail-to-email-with-voip-how-it-works-and-why-it-matters

VoIP (Voice over Internet Protocol) supports flexible calling features like call forwarding, voicemail, and conference calls, all managed through a simple dashboard.