How to make Cheap or Free VoIP international phone calls?
You may have heard what VoIP is; it stands for Voice over Internet Protocol. VoIP phone call sounds and feels the same as traditional PSTN phone call. It is now possible to make cheap or even free local and long distance VoIP calls. How VoIP calls works? When you place a VoIP call your voice is converted into data packets which are routed through network of routers, switches and computers, when data packet stream reaches the destination it is then again converted into plain voice. That is how you a VoIP call is transmitted over IP networks. How to place a Free VoIP call? There are several methods to place a free VoIP call using certain technologies. Such as SIP (Session Initiation Protocol), SIP protocol is widely used by VoIP providers. You can use a computer or a simple VoIP device or an ATA (Analogue Telephone Adapter) to place a free VoIP call. You will need to register your VoIP device with a SIP service provider, there are number of freely available sip proxy in the market. What
