Defining Voip

Voice over Internet Protocol is a term for defining various facilities that are used

for managing and transmitting voice data delivery over the internet. VOIP also includes the transfer of voice data in a digital form through the use of packets instead of circuit based protocols of PSTNs or Public Switched Telephone Networks. One of the major advantages of VOIP is that you do not have to spend large amounts of money on telephone bills anymore.

How is the Data Transferred

VOIP makes use of ITU T H.323, which is a standard used by leading equipment manufacturers for transmitting audio and video data using IP within an intranet environment. It also promotes directory service standards so that one employee can locate the other easily. Further, it also promotes the use of touch tone signals for voice mail and also for automatic distribution of calls. Apart from IP, VOIP also makes use of RTP or real Time Protocol in order to make sure that the data packets are delivered on time. Though it is difficult to ensure top quality service when using public networks, it is definitely possible to guarantee excellent service when VOIP is used on private networks managed by a business enterprise or an internet telephony service provider or ITSP. So, how is VOIP managed in a business enterprise?

Well, in an office environment a VOIP device is positioned at a gateway so that it receives voice transmission data in packets from different users within the organization, 0300 Numbers.

How Does it Work

Let us see how VOIP works for inter office or intra office calls. Consider a situation where caller X, based at the company headquarters, makes a call to caller Y, located at one of the companys many branches worldwide. Caller X just picks his VOIP device and dials the extension number of caller Y. Now let us see what happens. The companys VOIP PBX server searches its existing database and gets the complete routing data of caller Y and then transmits the call to his or her VOIP device. Once caller Y picks the device, the call begins. During this process, the VOIP devices of caller X starts to convert the voice data into digital packets and transmits them to caller Ys device and vice versa, 0330 Numbers.

Lastly, 0844 Numbers, 0845 Numbersthat are popular with small and large business enterprises can now be integrated with your VOIP systems so that call revenue can be shared with the service provider. Since 0800 Numbers are Freephone Numbers, it may not cost the caller but may cost the company as a subscriber, 03 Numbers.

by: Kieron James

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