Voip Assignment

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Carter Polley Lisa Hawkins CIS180 HYB1 3 October 2015 Wiki Assignment – VoIP Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Also known as internet telephony, IP telephony, or broadband telephony. VoIP converts the voice signal into a digital signal that can travel over the internet. Depending on the type of VoIP service you can make a VoIP call from a computer or other internet enabled devices, a special VoIP phone, or a traditional phone with a digital adapter. There are several advantages to VoIP versus traditional telephoning. • Lower cost: VoIP services are cheaper than standard phone services, and…show more content…
However, since the development of newer, less complex protocols such as MGCP and SIP, H.323 deployments are increasingly limited to carrying existing long-haul network traffic. In particular, the Session Initiation Protocol (SIP) has gained widespread VoIP market penetration. [3][4] Consumer market A major development that started in 2004 was the introduction of mass-market VoIP services that utilize existing broadband Internet access, by which subscribers place and receive telephone calls in much the same manner as they would via the public switched telephone network (PSTN). Full-service VoIP phone companies provide inbound and outbound service with direct inbound dialing. Many offer unlimited domestic calling for a flat monthly subscription fee. This sometimes includes international calls to certain countries. Phone calls between subscribers of the same provider are usually free when flat-fee service is not available. A VoIP phone is necessary to connect to a VoIP service…show more content…
In 2008, 80% of all new Private branch exchange (PBX) lines installed internationally were VoIP.[6] VoIP solutions aimed at businesses have evolved into unified communications services that treat all communications—phone calls, faxes, voice mail, e-mail, Web conferences, and more—as discrete units that can all be delivered via any means and to any handset, including cellphones. Two kinds of competitors are competing in this space: one set is focused on VoIP for medium to large enterprises, while another is targeting the small-to-medium business (SMB) market. As of 2009, the Social Security Administration (SSA) was about a third of the way into a program to replace phone systems at 1,600 field offices nationwide with a single, centrally managed voice-over-IP solution that runs on the agency's data network.
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