| Without doubt the possibility of making calls over | | | | comprises the central core of the Internet calls. |
| the Internet i.e. Internet phone calls, has gradually | | | | Users have benefited from low cost up to 95% |
| made international call rates have reduced their | | | | lower than they were earlier international calls and |
| cost, because the connection of telephone | | | | routine either from the PC to a phone, PC to PC, |
| networks to Internet technology known as VoIP, | | | | fax, e-mail, with e of voice, voice chat, simply by |
| or Voice over allowing transmission of signals | | | | downloading a free software Thanks to new IP |
| voice through IP network. | | | | technologies and functions. |
| With the voice data packets are IP headers with | | | | Prominent among them are PC2Phone, ie that are |
| destination addresses and can send them through | | | | PC to Phone with full-duplex calls that are made in |
| different routes even if the same fate, only to be | | | | real time around the world and with very low |
| rebuilt to achieve the original voice message with | | | | prices. PC2Fax, in this case the PC to a fax, which |
| any order of arrival. In fact, in the case of a call | | | | is done by sending faxes to any fax machine that |
| that was made by the circuit public switched | | | | is around the world, even at very low prices. |
| telephone network maintains a link uninterrupted | | | | PC2PC, in this case from PC to PC, through which |
| throughout the duration of the call. | | | | it is possible to conduct voice conversations but |
| VoIP makes calls to a compression of 8:1 scale so | | | | also in real time at no cost, which means free. |
| you can make more calls and packet | | | | ICQ Voice Chat, is providing the opportunity for |
| transmissions by the same circuit, which | | | | discussions on ICQ, also in real time and for free. |