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VoIP for Twiki
Transcript of VoIP for Twiki
Service Providers Great Idea! 2006 2011 2009 2003 2010 Oct, 2005 Janus Friis and Niklas Zennström, with headquarters in Luxembourg Acquired by eBay for a total up-front consideration
of approximately $2.5 billion April August Founded by Janus Friis and Niklas Zennström,
with headquarters in Luxembourg First public beta version released (http://investor.ebay.com/ReleaseDetail.cfm?ReleaseID=176402&FYear=) April December October 100 million registered users mark Skype 2.0 for Mac released Skype 3.0 for Windows released November Acquired by Silver Lake (70% stake for approximately $2 billion) May October 14 Skype 5.0 beta released,
3G network calls Skype 5.0 for Windows released January 14 Acquired Qik, a mobile-based live video-sharing platform May 10 Acquired by Microsoft for $8.5 billion Skype's
Development Other application cheaper as compared to oversea calling More interaction between parties
during communication Enhance communication effectiveness Towards Individual: Accessibility
Cost saving Towards Businesses:Financially cheaper to set up VOIP infrastructure across the board as compared to Alternative feedback and support medium for oversea clienteleAdditional added services are a great plus as it allows better responsiveness and flexibility Data sharing
Integration of telephone, fax, e-mail and other applications to capitalise on the benefits of unified messaging. Currently, growing trend of organisation's network shifting over to VOIP Some VoIP services don’t work during power outages
VoIP is susceptible to worms, viruses and hacking.
it's susceptible to all the hiccups normally associated with home broadband services.ome distorted, garbled or lost because of transmission errors. Challenges/
Limitations ATA (Analog Telephone Adapters)
Computer-to-computer VoIP Connections VoIP converts the voice signal from your telephone into a digital signal How does VoIP work? A technology that enables one to make and receive phone calls through the Internet instead of using the traditional analog PSTN (Public Switched Telephone Network) lines. What is VOIP ? To make and receive calls
Can surf the net while making calls
Can make and receive call to / from PSTN
Digital features not available on PSTN Why VOIP ? Routers Routers Routers In most cases, IP Routing Logic is still managed by a Service Provider’s Network
– Not yours Subscribers Subscribers Enterprise Network What’s Inside an IP Network? Firewall Firewall Enterprise Network Public Internet or Private WAN VoIP
Deployment VoIP and
Misconception Future of VoIP An evolution of VoIP Nowadays Started in Feb 1995 Late 2001 (cc) image by nuonsolarteam on Flickr a lack in telephone services the monopoly of traditional telephone on communications Runs on home PC, required sound cards,
microphones and speakers
Uses H.323 protocol instead of nowadays’ SIP protocol
Only available in computer-to-computer calling VocalTec Internet Phone quality was much lower than traditional phone due to slow internet connection/lack of broadband connection and poor audio codecs customers had to listen to advertisements before and after the call Inventors: VocalTec co-founders Alon Cohen and Lior Haramaty
Company: Vocaltec, Inc. in Isreal In 1995, entrepreneurs found a potential in VoIP technology
(based on hardware development) Some small companies offered computer-to-phone calling and phone-to-phone calling slightly later 2000 Networking manufactures offered VoIP Switching Software that could route and switch the VoIP traffic making VoIP hardware less computer dependent Established firms were able to make use of more affordable VoIP hardware to set up VoIP on their internal IP networks Better quality for VoIP calls reduces latency better audio codec transfer and ability to run load VoIP concurrently with web browser VoIP companies charge its user a flat monthly subscription fee
Some companies charge separately for international calling
Some also issue calling cards that charge 1-2 cents a minute for international calls CONSUMER MARKET BUSINESS MARKET a substitute of conventional phone to place phone calls and make video chatting a collaboration
presenting tool VoIP is widely adopted communication solution for companies.
VoIP is customised for companies of different scale.
Small companies use Virtual PBX.
Medium and large corporations use VoIP&PSTN hybrid system. three two one There are many other video chatting services such as Facetime, ooVoo and QQ. Those services could be called VoIP Those services are gaining popularity Skype Google Voice Asterisk (cc) photo by medhead on Flickr Open source VoIP framework Focuses on
American market 1 6.5% were paid subcribers A record of 43 million concurrent users online on September 10, 2012 March 2011, 124 million active users were connected with Skype (cc) image by rocketboom on Flickr (cc) image by quoimedia on Flickr Mobile VoIP Innovation combining the benefits of mobile phone mobility and low-rate VoIP calls Vo4G VoWi-Max VoLTE Language Interpreter Authentication 3D Hologram Chatting (cc) photo by theaucitron on Flickr (cc) photo by theaucitron on Flickr copy paste branches if you need more.... HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY HISTORY GREAT IDEA GREAT IDEA GREAT IDEA GREAT IDEA GREAT IDEA GREAT IDEA GREAT IDEA VoIP
Service ProvidersHISTORY Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development Skype's Development VoIP Deployment VoIP Deployment VoIP Deployment VoIP Deployment VoIP Deployment VoIP and Misconception VoIP and Misconception VoIP and Misconception VoIP and Misconception Future of VoIP Future of VoIP Future of VoIP HISTORY Future of VoIP Future of VoIP Future of VoIP Future of VoIP