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Slide 1: 

Voice over Internet Protocol Presented by: Vishaam & Ryden V.O.I.P

Introduction : 

Introduction Broadband is a faster way for you to gain access to the Internet Broadband Internet offers high-speed Internet access Due to the increase in Broadband , many new applications have been created with enormous benefits to the users The most prominent example of how broadband has resulted in innovative new services is the development of VoIP (Voice over Internet Protocol)

History : 

History Voice-over-Internet Protocol has been a subject of interest almost since the first computer network The technology for transmitting voice conversations over the Internet has been available to end-users since at least the early 1980s

What is VoiP : 

What is VoiP VoiP is a protocol optimized for the transmission of voice through the Internet. VoIP allows high quality two-way voice transmission over broadband connections. Voice-over-IP systems carry telephony signals as digital audio, typically reduced in data rate using speech data compression techniques, encapsulated in a data-packet stream over IP.

The VoiP Technology : 

The VoiP Technology VoiP is a family of technologies that enable voice communications using IP networks like the internet VoIP is a core technology that drives things like voice-chat software VoIP is, the fabulous secret ingredient in Vonage, Skype, Cisco CallManager

VoiP and Individuals : 

VoiP and Individuals To the Wall Street speculator, VoIP is a single technology investment with many revenue streams To the enterprise network engineer, it's a way to simplify the corporate network and improve the telephony experience for users of the network To the home user, it's a really cool way to save money on the old phone bill

Is Voip new or was it Held Back : 

Is Voip new or was it Held Back VoIP has been around as a long-distance killer since the later 1990s Without broadband connections, VoIP really isn't worthwhile The introduction of Increased Broadband and Skype in 2005 brought VoiP back

VoiP in Action : 

VoiP in Action Skype is an instant messaging program that happens to have a peer-to-peer global voice network at its disposal So you can use it to call people on your buddy list using your PC or Mac All you need is broadband, a microphone, and a pair speakers or headphones

The Difference between VoiP and PSNT : 

The Difference between VoiP and PSNT The ability to transmit more than one telephone call over the same broadband connection Conference calling, call forwarding, automatic redial, and caller ID are free Secure calls using standardized protocols (such as Secure Real-time Transport Protocol)

Continued…. : 

Continued…. Location independence. Only an Internet connection is needed to get a connection to a VoIP provider Integration with other services available over the Internet Mobility

How Does VoiP Fit in : 

How Does VoiP Fit in A number of enterprise telephone system vendors have heavily promoted what they call IP telephony Users upgrade their IP networks to support voice applications Benefits are productivity boost and long-term cost savings Instead of two separate notions of a global network (one for voice calling and one for Internet Protocol), a single converged network is arising, carrying both voice and data with the same networking protocol IP

VoIP challenges : 

VoIP challenges Available bandwidth Network Latency Packet loss Jitter Echo Security Reliability

South Africa vs Global : 

South Africa vs Global In South Africa VoiP is a completely new exciting trend because we had limitations to broadband all this time whereas the rest of the world had broadband for many years now Access to the internet for South Africa society was expensive and extremely slow ,so applications such as VoiP would have never work here , but now they can A lot more training and learning of technological devices are required for South Africa but VoiP is available and can be used here just as it can Globally

TimeLine : 

TimeLine In 2005, it was the first time South Africans could use the internet to make local and international calls S.A businesses were the first to take advantage of this technology trend 80% of South African corporations will be using the technology by the end of 2005. (Hiles,2005)

TimeLine Cont… : 

TimeLine Cont… VoIP has become popular around the world largely because of the cost advantages to consumers over traditional telephone networks And also effectiveness and efficiency

TimeLine Cont… : 

TimeLine Cont… In 2008 While VoIP continues to disrupt the land line telephony industry, mobile VoIP is poised to do the same in the mobile sector Looking at the future , the spotlight will shine on VoIP going mobile thanks to the introduction of new applications Private users will mostly be exposed to VoIP through these applications.

Timeline Cont… : 

Timeline Cont… Besides the cost savings benefit, business communication can be managed much more effectively Communication can be customized and systems can be integrated with VoiP Which means complete control over all phone calls in and out of the businesses In 2010 S.A will be hosting the FIFA world cup and VoiP will be used extensively

Gartner Hype Chart : 

Gartner Hype Chart Voice over internet Protocol At 1995 At 2004 At 2008 (The following images were taken from Chaffey 2007)

Future of VoiP : 

Future of VoiP A host of brand new, VoIP-enabled cell phones will soon be ready for action Imagine driving to work, receiving a call on your cell phone from a client, and then continuing that call on the corporate Wi-Fi network as you walk into the front office. all without any interruption to your call-in-progress The cell network will just "hand off" the call to your Wi-Fi network. This sort of technology exists today, and will be a commonplace feature of corporate phone systems in years to come

References : 

References Gartner, 2008, “Hype Cycle for Web and User Interaction Technologies 2008” Wikipedia, 2008, [online accessed 11 September 2008] Tech-faq.com, “What is VoIP”, [online http://www.tech-faq.com/what-is-voip.shtml , accessed 13 September 2008] Hiles, B., 2005, “SA corporates to leap into VoIP”, [online http://www.southafrica.info/business/trends/newbusiness/voip-deregulation.htm , accessed 13 September 2008]

Slide 25: 

Atkinson,R., 2005, “Internet Telephone Service”, Policy Report Chaffey, D., 2007, “Gartner Emerging Technologies Hype Cycle”, [online www.davechaffey.com/E-business/C4-E-environment/New-Hype-Cycle , accessed 12 September 2008]

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