| In the early years of 21st century, the VoIP phone | | | | busy professionals as well. It keeps the employees or |
| service has brought in a revolution of all sorts in the | | | | users connected with the business or others, even |
| communication industry. The advanced IP telephony | | | | when the employee or the user is on the road or at |
| services deliver unified communication over the | | | | home. |
| internet. The media-rich collaborative applications | | | | Some other task that such a phone service can |
| wherein voice, video, data and images are sent | | | | facilitate over the traditional PSTN phone services are: |
| simultaneously have unified communications to a | | | | 1. The VoIP phones are location friendly that can be |
| significant extent. As a natural corollary, the voice over | | | | operated from anywhere, as only internet connection |
| IP service has gained in popularity among various | | | | is required to connect with others. |
| business entities. | | | | 2. Incoming phone calls are automatically routed over |
| The small and medium sized enterprises as well as | | | | internet, regardless of where the users are located at |
| individual users are considering the IP telephony | | | | specific points in time. Therefore, frequent travels or |
| solutions for their day-to-day communications. As a | | | | others can enjoy calling at cheaper rates, even when |
| matter of fact, it can be said that they are moving | | | | they are on a trip. |
| ahead on the footsteps of the large business or | | | | 3. The users can enjoy unlimited long distance and |
| corporate houses. The business entities are opting for | | | | international calls with VoIP phone services at relatively |
| the VoIP services to improve their internal operations | | | | lower rates. As a matter of fact, one can save up to |
| while, the individual users are happy with the significant | | | | half the cost of PSTN monthly bills. |
| reductions in the phone bills. | | | | 4. Unlike PSTN services, the VoIP phones can be used |
| The advanced VoIP phone services allow the users to | | | | to avail new and value added services that are |
| enjoy long distance and international calls at significantly | | | | available over the internet such as video conversation; |
| lower rates. This is possible due to the internet that | | | | messaging or data file exchange in parallel with the |
| allows the unified communication over the packet | | | | conversation, audio conferencing and passing of |
| switching technique. | | | | information. |
| The best part of VoIP phone service is that the | | | | VoIP services follow the IP process, wherein voice |
| subscribers can use the pre-existing fixed line phones | | | | calls or images are routed over a broadband speed |
| as well as mobiles. | | | | internet. As a matter of fact, there are three ways of |
| As of now, the situation is such that the VoIP service | | | | transmitting the calls namely - IP phones, PC to PC |
| is on the edge of replacing traditional PSTN system to | | | | communication and Analog Telephone Adapter or |
| a large extent, if not fully. The internet VoIP phone | | | | ATAs. The users could opt for anyone to facilitate |
| service provide ease and convenience of talking over | | | | unified communication over the diverse destinations |
| the internet. As a matter of fact, such services are | | | | and without much trouble. |
| turning to be appropriate for frequent travelers and | | | | |