Sökning: "session border controller"

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  1. 1. A reverse proxy for VoIP : Or how to improve security in a ToIP network

    Master-uppsats, KTH/Kommunikationsnät

    Författare :Guillaume Dhainaut; [2016]
    Nyckelord :VoIP; ToIP; SIP; SIPS; RTP; SRTP; SBC; session border controller; security; toll fraud;

    Sammanfattning : The need for security is crucial in Telephony over IP (ToIP). Secure protocols have been designed as well as specific devices to fulfill that need. This master thesis examines one of such devices called Session Border Controller (SBC), which can be compared to reverse proxies for ToIP. The idea is to apply message filters to increase security. LÄS MER