Voice over Internet Protocol

Paper Summary:

This paper examines the 'Voice over Internet Protocol' (VoIP). The paper describes the technology of the hardware and software involved in telephone conversations over the Internet. The advantages of VoIP are explored, and the functioning thereof is explained. The paper contends that, for the regulators, these new technologies pose challenges as they are not applicable within the regulatory model of the recent past. The paper explores the realm of Session Initiation Protocol (SIP) as it relates to VoIP.

From the Paper:

"In the first step, the voice of the caller is digitized, since in VoIP all transmissions must be digital. This digitization can be performed either by the telephone company, or by an Internet Service Provider -ISP, or by a Personal Computer. In the second step, using intricate algorithms, the digital voice is compressed and then divided into packets; and utilizing the Internet protocol, the packets are addressed and transmitted through the network to be reassembled in the right order at the destination point. Once again this task of reassembling can be carried out by a carrier and ISP or by the PC. In the third step, while in transit in the Internet, the data packets might be lost or got delayed, or errors might cause damage to the packets. Conventional methods of error correction will request retransmission of unusable or packets which have been lost, however, in case the sound which is sent is a real-time voice communication, in that situation that technique will not be functional, hence sophisticated error detection and corrective systems are employed to create sound to fill in the dropouts in sounds."

More papers on Voice over Internet Protocol:

• Research Paper # 64062 : "VoIP (Voice-over-Internet-Protocol)"
• Research Paper # 109857 : "Voice Over Internet Protocol"
• Dissertation or Thesis # 105377 : "The Financial Services Industry and Voice over Internet Protocol (VoIP)"

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