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HP OpenCall is an extensive portfolio of network and telephony products offered by the HP Software Division of technology company HP. It is most commonly described as a suite of software and hardware applications which allow implementation of common telecom operator services such as voicemail, sms (short message service), prepaid, billing, hlr, etc.〔(Managing Automation.com: “HP Enhances Platform to Help Mobile Operators Deliver Personalized, Interactive Multimedia Services.” Dec. 2007. Retrieved 2010-02-21. )〕 It implements industry standard telecom protocols and standards such as SS7, ISUP, TCAP, SIP, MRCP, RTSP, VoiceXML, to name but a few. ==Products== The HP OpenCall line of telecommunications platforms is offered by HP Communications & Media Solutions organization in four main areas—media server, service and charging control, signaling, and subscriber mobility. The HP OpenCall Media Platform is a voice and video server and media resource function platform used for developing and deploying messaging, portals and interactive services.〔(ComputerWorld.com: “HP OpenCall Media Platform: A Cost-effective, Agile IP Media Server” Dec. 2009. Retrieved 2010-03-21. )〕 HP offers three service and charging platforms for telecommunication service providers. They include HP OpenCall Service Access Controller for prepaid and postpaid voice and data services;〔 (BillingWorld.com: “HP Reveals Stable of Real-time Charging Customers.” Tim McElligott. July 2008 )〕 HP OpenCall Service Controller, an open platform for constructing multi-network-based services and developing applications in 2G and 3G architectures; and the HP OpenCall Intelligent Network Server used for mission-critical operations like e911 on legacy wireline, wireless and next-generation communication systems.〔( TMC.net: “Introducing HP OpenCall Intelligent Network Server.” Mae Kowalke. June 2008. )〕 There are three HP OpenCall signaling platforms. The HP Open IP Signaling Transfer Gateway that allows the convergence and delivery of advanced services for fixed, mobile and broadband networks. The HP OpenCall SIP Network Server is an “all-in-a-box” Session Initiation Protocol network element for next generation and IMS networks, facilitating the deployment and growth of advanced telecommunication services.〔(LightReading.com: “AlcaLu & HP: SIP Can Wait” Caroline Chappell. Sept. 2009. Retrieved 2010-03-21. )〕 The HP OpenCall Universal Signaling Platform (USP) connects SS7 and IP SIGTRAN networks and provides a development environments for deploying, 2G, 2.5G and 3G services.〔( Microsoft Exchange Research Library. “HP Open Call SS7.” )〕 HP Communications & Media Solutions markets three subscriber mobility products. The HP OpenCall Home Location Register (HLR) is used for subscriber management and new service deployment via a centralized system.〔(LightReading.com: “HP Unveils Mobile Solutions.” Feb. 2008. )〕 The HP OpenCall Position Determination Entity is a location information platform that is used by emergency and commercial services to pinpoint a mobile terminal’s position. The HP OpenCall XML Document Management Server is used for deploying instant messaging and group communication services while shielding information privacy. There are two subscriber policy offerings. The HP OpenCall Home Subscriber Server is used store and management subscriber data when moving to next-generation networks. The HP OpenCall Profile Manager connects user profile and service data for Web 2.0 services.〔( ConnectedPlanetOnline: “HP tools manage profiles, developer access.” Rich Karpinski. Feb. 2008. Retrieved 2010-03-22. )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HP OpenCall」の詳細全文を読む スポンサード リンク
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