1. A system, comprising: an instant voice messaging application comprising: a client platform generating one or more buffers, wherein the client platform writes one or more successive portions of an instant voice message to the one or more buffers; a messaging system transmitting the contents of a buffer over a packet switched network once the contents of the buffer have reached a predetermined size; and an instant voice messaging server receiving, from the instant voice messaging application, the contents of the one or more buffers and an indication of one or more intended recipients of the instant voice message, wherein the instant voice messaging server transmits a ring signal and the contents of the one or more buffers to a legacy telephone.