| IP telephony, Internet telephony, voice over | | | | and CDMA mobile phone among others. The long |
| broadband (VoBB), broadband telephony, and | | | | distance international calls could almost be free |
| broadband phone are popularly known as Voice | | | | with its cheapest plans and promos versus the |
| over Internet Protocol or VOIP. Collectively, all of | | | | regular mobile offerings for about 10 to 20 times. |
| them are about methodologies, protocols, and | | | | A call from a mobile using VoIP technology allows |
| transmission technologies for distribution of voice | | | | free incoming calls in most countries. |
| communications and multimedia sessions over | | | | Aside from being affordable and cheap, it is also |
| Internet Protocol (IP) networks like the internet. | | | | convenient to make a call from mobile. The |
| VoIP along with other software application is easy | | | | service through VoIP by means of the internet is |
| to use and downloadable for free. However | | | | a way much better than other options as it could |
| before, its usage has been restricted for users | | | | enhance voice quality while reducing call failure and |
| who own a personal computer or any VoIP | | | | bad network coverage. It is also portable as you |
| device that is connected to broadband internet. | | | | can carry your mobile phone anywhere since you |
| Recently, mobile phone users and those who have | | | | have the choice to use your existing phone |
| access to data using GPRS (General Packet Radio | | | | number. Other features such as call waiting call |
| Service), 3G (Third Generation mobile technology) | | | | forwarding and call log are also provided. |
| or Wi-Fi connection can also use VoIP making | | | | Based on a recent conducted survey regarding |
| cheap calls from mobile phones possible. The | | | | VoIP industry's growth and opportunities, the |
| attractiveness of VoIP is then increasing more | | | | market value of mobile VoIP could reach $32.4 |
| and more. | | | | billion by 2013. It is forecasted that by 2019, half |
| To make a call from mobile phones using VoIP | | | | of all call from mobile will be made through all-IP |
| services, you will need a GPRS/3G or Wi-Fi | | | | networks. The 50-75% savings when using mobile |
| enabled handset that is compatible with the mobile | | | | VoIP phone rather than 3G, GSM or CDMA mobile |
| application making VoIP calls possible. VoIP is | | | | phone made it more attractive. Best thing, you |
| inexpensive as compared with other | | | | can make call from mobile to any network |
| telecommunication systems such as PSTN, GSM, | | | | anytime and anywhere. |