| VoIP is a telephony term for a set of facilities for | | | | The economies of scale of placing all traffic- data, |
| managing the delivery of voice information using | | | | voice, and video-over an IP-based network is highly |
| Internet Protocol (IP) and is the future of | | | | attractive to corporate users. |
| communication. | | | | The reason for this is: |
| Here we will look at changes that are coming that will | | | | IP will act as a unifying agent, regardless of the |
| increase what is already substantial growth in the | | | | actual underlying architecture (i.e., leased lines, frame |
| industry. | | | | relay, or ATM) of a companies network. |
| With Voice over IP -- businesses have the ability to | | | | VoIP The Future - Corporate Intranets & |
| manage calls at the IP layer which enables operational | | | | Commercial Extranets |
| and productivity benefits that have never been | | | | Currently, the most promising areas of development |
| available before at such affordable price. | | | | for VoIP are corporate intranets and commercial |
| Worldwide revenues from Internet voice | | | | extranets. |
| technologies are expected to grow from about $13 | | | | Their IP-based infrastructures enable operators to |
| billion in 2002 to nearly $200 billion by 2007. | | | | control who can use a network. |
| The Future Of VoIP Projected Growth | | | | Commercial extranets, based on conservatively |
| When it comes to VoIP technology already available | | | | engineered IP networks, will deliver VoIP and |
| long-distance phone calls, conferencing, e-mail, and | | | | facsimile over Internet protocol (FAXoIP) services to |
| other communications are now affordable and flexible. | | | | the general public, by guaranteeing specific |
| VoIP technology however is developing and some of | | | | parameters, such as packet delay, packet jitter, and |
| the developments that will ensure the future of VoIP | | | | service interop. |
| are outlined below | | | | Companies are already looking to remove fax traffic |
| The Future Of VoIP SIP | | | | off the PSTN and relocate it on to the Internet and |
| Session Initiation Protocol (SIP) retrieves server | | | | corporate Intranet, through FAXoIP gateways and |
| responses and handles client requests. | | | | via IP-capable fax machines. |
| This technology is able to determine the end system | | | | Video conferencing |
| that will be used for a communication session, | | | | Another area of growth will be video conferencing. |
| automatically sets the relevant parameters of the | | | | Video conferencing (H.323) with data collaboration |
| communication at receiver and user ends and then | | | | (T.120) will become a popular method for corporate |
| manages call transfer and call termination. | | | | communications in the future, as network |
| In addition, SIP allows users to initiate and receive | | | | performance and interoperability increase. |
| communication from any location and networks are | | | | VoIP The Future Expanding Services & Lower |
| also able to identify users, wherever they are. | | | | Cost |
| This technology is an alternative to H.323, which is | | | | More user-friendly devices and increased promotions |
| the protocol, used for IP videoconference | | | | are starting to be seen by wider audience and this |
| transmissions for VoIP up to now. | | | | education, combined with ease of use of VoIP |
| SIP has taken VoIP technology forward in terms of | | | | technology is needed for any new technology to gain |
| operational efficiency and many VoIP vendors are | | | | trust and grow. |
| now including SIP as standard, bringing SIP to a | | | | For instance, new VoIP telephones are being offered |
| growing audience. | | | | at cheaper prices in a variety of colours, with touch |
| VoIP The Future - VoIP Gateways | | | | screens that are getting easier to use. |
| Another influential element in the future of | | | | Prices in all VoIP services will continue to drop, as the |
| Internet-telephony is improvements VoIP gateways. | | | | market grows and competitivness increases. |
| Gateways are developing from PC-based platforms | | | | The future of VoIP as a major communication |
| to more robust embedded systems, which will be | | | | method over the coming years is therefore assured. |
| able to handle an increased amount of call traffic. | | | | VoIP Telecommunications are here to stay. |