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Enter a keyword...   ...or choose a category. choose one... Communications Computer Industry Companies Computer Science Data Graphics Hardware Internet and Online Services Mobile Computing Multimedia Networks Operating Systems Programming Software Standards Types of Computers World Wide Web   VoIP Last modified: Monday, May 19, 2008  Short for Voice over Internet Protocol, a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN. One advantage of VoIP is that the telephone calls over the Internet do not incur a surcharge beyond what the user is paying for Internet access, much in the same way that the user doesn't pay for sending individual e-mails over the Internet. There are many Internet telephony applications available. Some, like CoolTalk and NetMeeting, come bundled with popular Web browsers. Others are stand-alone products. VoIP also is referred to as Internet telephony, IP telephony, or Voice over the Internet (VOI) See "The Difference Between VoIP and PSTN Systems" in the Did You Know... section of Webopedia. Also see the VoIP Meets WiFi article in the Did You Know? section of Webopedia. Sponsored listings Save up to 70% on Award Winning Business VoIP Phone System - VoIP Business Phone System-No Equipment or Long-term Contract. Unlimited Local & LD. Scalable, Hassle Free, Feature Rich. Customize Your Phone System! Find a VoIP Phone System for Your Company & Save - Save Time & Money by Comparing Award-Winning Business VoIP Systems. 1 Minute Could Save You 80%. Customize the Package You Want for 1 Low Price! VoIP Call Recording and IP Call Monitoring Solutions - Experience VPI's free VoIP call recording and monitoring software demo. Download free white paper: "Overcoming the Hurdles of VoIP Call Recording."   Enterprise VoIP Planet The IT Manager's Guide to Voice over IP Healthy VoIP Nets - Quality of Experience A new process, called Quality of Experience, endeavors to go beyond voice to include video and IPTV connections, plus taking into account the effect that the end-user applications may have on the end-to-end connection. Securing VoIP Networks, Part 1 SBCs are network elements that are deployed at the border between packet-based networks to manage the signaling and media messages that support Internet multimedia services (for example, voice or video). For example, they can be placed between service providers in a peering configuration or in an access network that provides VoIP service to residential or enterprise customers. Six Steps to Getting Your Network Ready for Voice over IP Using low bandwidth CODECs helps reduce bandwidth requirements however due to the overhead of IP, UDP and RTP protocols, such reduction is limited. What SMBs Need to Know About VoIP Replacing existing internal phone systems with VoIP networks can cut costs, simplify administration and enable a variety of new applications that improve collaboration and productivity. Related Categories Internet Telephony Telecommunications Related Terms call detail record fax over Internet Protocol G.7xx HD voice Internet IP IP faxing iSAC ISP IVR jitter buffer local loop soft phone telephony VON VoWi-Fi Shopping VoIP Products Compare Products,Prices and Stores Shop by Category: IP Phones 228 Model Matches Routers 202 Model Matches Firewalls 90 Model Matches Headsets 1 Model Matches Cellular Phones 1 Model Matches