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What is Voice Over IP VoIP from the Cradle VoIP Equipment Revenues  International Voice - VoIP

VoIP from the Cradle (Handset)  

VoIP stands for Voice over Internet Protocol. As the term says VoIP tries to send voice through IP packets through the Internet. VoIP tilizes accelerating hardware to achieve this purpose and can also be used in a PC environment. IP is a well-known and heavily used protocol is nearly all Internet transactions. It is a protocol that determines addressing and routing between networks and between hosts.

Since the early days of long distance communication, signals have been sent in analog form, in waves. Then the it was discovered that sending a signal to a remote destination could be done a digital format:  signals must be digitized  with an ADC (analog to digital converter), transmited, and transformed back to analog format with DAC (digital to analog converter). VoIP operates by digitalizing voice in data packets, sending them and reconverting them in voice at destination.
A digital signal is more noise-tolerant than its analog version.

TCP/IP networks are made of IP packets containing a header (to control communication) and a payload to transport data: VoIP uses it to go across the network and come to destination.

VoIP is a major force in the evolution of voice communications. VoIP technology is useful not only for phones but also as a broad application platform enabling voice interactions on devices such as PCs, mobile handhelds, and many vertical-specific application devices where voice communication is an important feature.

VoIP supports two-way transmission of voice traffic over a packet-switched IP (Internet protocol) network. VoIP applications first appeared in the mid-1990s, with services allowing Internet users to make free voice calls between specially equipped PCs, or between a regular phone and a specially equipped PC. This was a great way to save toll charges on long-distance and international calls. The rapidly advancing technology now provides voice quality on managed VoIP networks that matches the public voice network.

The initial application of  VoIP was to provide access to voice communication to anyone in any part of the world with low or no cost through the Internet backbone. Current technology allows a user to have a personal number enabling him to communicate from any part of the world at low or no cost.

VoIP uses real-time protocol (RTP) to ensure that packets get delivered in a timely manner. Using public networks, it is difficult to guarantee Quality of Service (QoS). Better service is achieved with private networks managed by an enterprise or by an Internet telephony service provider (ITSP).

 

To coincide with the newly emerging VOIP industry Nelson Telcom working with Nelson Telco is pleased to offer the consumer Nxx Trader

For buying, selling and trading NXX numbers (traditional phone numbers) - Please watch for PSTN Free .com the site aimed at ending the use of the Public Switching Telephone Network the P.S.T.N.

 

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