Voice over IP service are commonly referred to as PC to phone calls, voice over IP service is the newest thing in the technological world incidentally VoIP is the transmission of voice through the internet or other network systems, this new features of VoIP that allows users to make calls over converged voice-data networks also makes it the next logical step in the communications domain that should naturally progress to the use of wireless VoIP. Voice over IP service allows for: video conversation, conference calling, call forwarding, automatic redial, and caller ID all at no extra cost.