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    • 103. 发明授权
    • DETECTION AND MITIGATION OF UNWANTED BULK CALLS (SPAM) IN VOIP NETWORKS
    • NECWEIS UNDEINDÄMMUNGVON UNGEWOLLTEN MASSENANRUFEN(SPAM)IN VOIP-NETZEN
    • EP1757068B1
    • 2012-02-29
    • EP05783140.6
    • 2005-05-18
    • Alcatel Lucent
    • VINOKUROV, DimitriMACINTOSH, Robert, W.
    • H04L29/06H04L12/24H04L12/26H04M7/00H04M3/22
    • H04L65/1079H04L29/06027H04L51/12H04L63/14H04L63/1425H04L63/1441H04L65/1006H04L65/1069H04M3/2281H04M3/36H04M3/436H04M7/006H04M7/12H04M2203/556
    • A technique for detecting SPAM calls in VoIP networks and taking responsive actions to such calls is described. Detection is based on recognizing abnormalities in signaling message statistics. For example, a device that persistently sends many more call setup requests then it receives and at the same time constantly receives too many, or too few, call terminations in a statistically determined period of time is assumed to be a spam source. This criteria is based on the principle that a Spammer originates many calls, which are consistently terminated by the Spammer or by the recipient. Responsive actions to the detection of Vo1P spam may include displaying a call text warning to the recipient, using special ring tone, automated voice mail answer, rejecting the call, etc. The invention addresses an issue that will become more problematic for VoIP networks and their subscribers in the future, and to which a solution has not been proposed in the prior art.
    • 描述了一种在VoIP网络中检测SPAM呼叫并对这种呼叫采取响应动作的技术。 检测是基于识别信令消息统计中的异常。 例如,持续发送多个呼叫建立请求的设备,然后它接收,并且在统计确定的时间段内不断接收太多或太少的呼叫终止被认为是垃圾邮件源。 这个标准是基于垃圾邮件发起许多呼叫的原则,这些呼叫一直被垃圾邮件或接收方终止。 检测VoIP垃圾邮件的响应措施可能包括使用特殊铃声,自动语音邮件应答,拒绝呼叫等向收件人显示呼叫文字警告。本发明解决了对于VoIP网络及其网络的问题将变得更加困难的问题 未来的用户,并且在现有技术中尚未提出解决方案。
    • 105. 发明公开
    • Method of editing a noise-database and computer device
    • 罗马帝国银行和电脑维多利亚
    • EP2362620A1
    • 2011-08-31
    • EP10154418.7
    • 2010-02-23
    • Vodafone Holding GmbH
    • Holtel, StefanNoueihed, Jad
    • H04M3/18H04M3/22G10L21/02
    • H04M3/18H04M3/42348H04M2203/352
    • The present invention relates to a method as well as to a computing device (20) for editing a noise-database (13) containing noise information, said noise information being derived from noise signals within an audio stream (19). In order to enhance possibilities to create and utilize context information which emerge from tracking noise signals from an audio stream, for example a telephone call, the above method is characterized by the following steps: A) in a localizing step (14), determining geographical data of the location the noise signals origin from; B) in an analyzing step (15), analyzing the noise signals with reference to the noise content; C) in a linking step, linking the analyzed noise signals to said geographical data to create noise information; D) in a storing step, storing said noise information within said noise-database (13). The present invention further relates to a method of treating noise signals within an audio stream (18), said audio stream comprising noise signals and additional audio signals, preferably voice signals.
    • 本发明涉及一种用于编辑包含噪声信息的噪声数据库(13)的计算设备(20),所述噪声信息是从音频流(19)内的噪声信号导出的。 为了增强创建和利用从音频流(例如电话呼叫)的跟踪噪声信号中产生的上下文信息的可能性,上述方法的特征在于以下步骤:A)在本地化步骤(14)中,确定地理 噪声信号源自的位置的数据; B)在分析步骤(15)中,参考噪声内容分析噪声信号; C)在链接步骤中,将分析的噪声信号与所述地理数据相关联以产生噪声信息; D)在存储步骤中,将所述噪声信息存储在所述噪声数据库(13)内。 本发明还涉及一种处理音频流(18)内的噪声信号的方法,所述音频流包括噪声信号和附加音频信号,优选地是语音信号。