O'Reilly releases 'VoIP hacks".The subject of VoIP is absolutely crucial to enterprise decision makers and Joe Blow consumers alike right now. The infrastructure upgrade cycle triggered by VoIP is transforming corporate networks, just as home users are seeing their telephony habits transformed. Wallingford wants to make the technology more approachable and more useful. "Everybody from Philips to Netgear-big-name consumer electronics firms, are introducing VoIP hardware to complement the explosion of VoIP services that sprung up in 2005: Skype, Google Talk Google's instant messaging (IM) service, which provides text messaging and voice calling. It provides a link to the user's Gmail account as well as displays the number of unread messages in the inbox. , Gizmo Slang for any hardware device. See gadget. , and of course, Vonage. All of these new products and services are hackable to some degree, and VoIP Hack explores useful and unconventional ways of exploring and customizing them."Topics covered by the book include: -Creating a software PBX (Private Branch eXchange) An inhouse telephone switching system that interconnects telephone extensions to each other as well as to the outside telephone network (PSTN). with Asterisk (1) See Asterisk PBX. (2) In programming, the asterisk or "star" symbol (*) means multiplication. For example, 10 * 7 means 10 multiplied by 7. The * is also a key on computer keypads for entering expressions using multiplication. -Making free long-distance calls -Gauging VoIP readiness on an enterprise network -Using SIP, H.323, and other signalling specifications -Providing low-layer security in a VoIP environment -Employing IP hardphones, analog telephone adapters A device that connects regular telephones to a broadband cable or DSL network for voice over IP (VoIP) service. The analog telephone adapter (ATA) provides the conversion between analog voice signals and IP packets, delivers dial tone and manages the call setup. , and softphones -Setting up voice mail and recording conversations www.oreilly.com |
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