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    • 3. 发明授权
    • Method and apparatus for functional architecture of voice-over-IP SIP network border element
    • IP语音SIP网络边界元素功能架构的方法和装置
    • US07830861B2
    • 2010-11-09
    • US10790264
    • 2004-03-01
    • Siroos K. AfsharCameron Scott BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRadhika R. Roy
    • Siroos K. AfsharCameron Scott BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRadhika R. Roy
    • H04L12/66H04L12/50H04Q11/00
    • H04L29/06027H04L29/12386H04L61/2521H04L65/1006H04L65/1026H04L65/1036H04L65/1069H04L65/4007
    • In order to provide a single common cost-efficient architecture for real time communication services for audio, video, and data over internet protocol, a voice over internet protocol (VoIP) system and architecture is provided by placing border elements (BEs) at the interface boundaries between the access network the user devices use and the VoIP infrastructure. The BEs use SIP protocol as the access call control protocol over any access networking technologies, for example, IP, Ethernet, ATM, and FR, and provides all services transparently to the end users that use SIP-enabled devices.To enable a scalable system, the SIP BEs are decomposed into separate communicating entities that make the SIP BE scalable and provide new capabilities not previously available by a self-contained SIP BE. Further, multiple levels of decomposition of a SIP BE can be provided by the present invention supporting a flexible and scalable SIP BE design that further improves system efficiencies and cost advantages as compared to use of single integrated border or edge elements. Further, a scalable SIP BE, made up of a plurality of physical entities for optimization of a large scale design, acts as a single integrated functional entity to logically execute a set of functions at the border of a VoIP infrastructure.
    • 为了提供用于通过因特网协议的音频,视频和数据的实时通信服务的单一通用的成本有效的架构,通过在接口上放置边界元素(BE)来提供语音网络协议(VoIP)系统和架构 用户设备使用的接入网络与VoIP基础设施之间的边界。 BE通过任何接入网络技术(例如IP,以太网,ATM和FR)使用SIP协议作为接入呼叫控制协议,并向使用支持SIP的设备的最终用户透明地提供所有业务。 为了实现可扩展的系统,SIP BE被分解成单独的通信实体,使得SIP可扩展,并且提供由独立SIP BE以前不可用的新功能。 此外,本发明可以提供支持灵活且可扩展的SIP BE设计的SIP BE的多个级别的分解,与使用单个集成边界或边缘元素相比,其进一步提高系统效率和成本优势。 此外,由用于优化大规模设计的多个物理实体组成的可扩展SIP BE充当单个集成功能实体,以在VoIP基础设施的边界处逻辑地执行一组功能。
    • 5. 发明授权
    • Decomposed H.323 network border element for use in a voice-over-internet protocol network
    • 分解的H.323网络边界元素用于互联网语音协议网络
    • US07715412B2
    • 2010-05-11
    • US10988926
    • 2004-11-15
    • Siroos K. AfsharMarian Rogers CroakRadhika R. RoyRalph Utano
    • Siroos K. AfsharMarian Rogers CroakRadhika R. RoyRalph Utano
    • H04L12/28
    • H04M7/006
    • A decomposed H.323 border element is disclosed that is useful for providing an entry point from one or more H.323-based networks into a SIP-based VoIP network. In one embodiment, the signaling element of the BE is separated into a separate functional entity from the media control element to facilitate a single signaling entity controlling multiple media entities. In another embodiment, the security element of the border element is also separated from the media control element so that firewall and network address translation elements may be performed by a separate functional entity. In a further embodiment, the media transcoding element is separated from the media control element. In a final embodiment, the internetworking facility between the SIP and H.323 element is separate from the H.323 gatekeeper elements.
    • 公开了分解的H.323边界元素,其用于从一个或多个基于H.323的网络向基于SIP的VoIP网络提供入口点。 在一个实施例中,BE的信令元件被分离成与媒体控制元件分离的功能实体,以便于控制多个媒体实体的单个信令实体。 在另一个实施例中,边界元素的安全元件也与媒体控制元件分离,使得防火墙和网络地址转换元件可以由单独的功能实体执行。 在另一实施例中,媒体转码元件与媒体控制元件分离。 在最终实施例中,SIP和H.323元件之间的网际互联设施与H.323网守元件分开。