Sökning: "sip voip"

Visar resultat 21 - 25 av 56 uppsatser innehållade orden sip voip.

  1. 21. Performance Evaluation of Various Open Source Projects Providing SIP Functionality

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för datavetenskap och kommunikation

    Författare :Shiva Chaitanya Nallapati; Viswa VardhanReddy Karna; [2011]
    Nyckelord : VoIP; SIP; SIP server; SIPp; Server performance. ;

    Sammanfattning : In recent times, the usage of Voice and Video over Internet Protocol (VoIP) services has increased tremendously. There are many signaling protocols such as Bearer Independent Call Control (BICC), H.323, Media Gateway Control Protocol (MGCP), Session Initiation protocol (SIP) etc. LÄS MER

  3. 22. VoIP Operators : From a Carrier Point of View

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Christina Sidiropoulou; [2011]
    Nyckelord :VoIP; fault management; SBC; SIP; carrier; troubleshooting; telecom; VoIP; felhantering SBC; SIP; carrier; felsökning; telecom;

    Sammanfattning : Voice over Internet Protocol (VoIP) is a service that has recently gained a lot of attention from the telecommunications (telecom) world since both Internet service providers (ISPs) and telecommunications operators have realized the important advantages that it can offer. Although traditional telephony is well established both in the telecom world and in our daily lives, VoIP is now competing with it by offering cost savings, simplicity, and introducing new ways of communicating. LÄS MER

  4. 23. IP-telefoni : en teknisk undersökning

    M1-uppsats, Sektionen för Hälsa och Samhälle

    Författare :Daniel Arvidsson; Joakim Bergqvist; Robin Bünger; [2011]
    Nyckelord :IP-telefoni; teknik; PSTN; VoIP; SIP; RTP; TCP; UDP; QoS; Region Skåne; H.323; PBX; telefoni; IT;

    Sammanfattning : Projektet har till syfte att undersöka den revolutionerande tekniken bakom IP-telefoni. Eftersom tekniken är relativt ung så finns det fortfarande mycket att lära om hur det fungerar och hur den används. LÄS MER

  5. 24. SPEECH RECOGNITION FOR WEB BASED TELEPHONY

    Master-uppsats, Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Författare :Mahboob ur Rahman; [2010]
    Nyckelord :Speech Recognition; VoIP; Web Telephony; RTMP; SIP; Red5Phone; Sphinx-4; Voicemail;

    Sammanfattning : Web based telephony purges the need of explicit downloading and installing a VoIP client software. Calls in web based telephony can be made directly from the browser. The combination of web technologies and traditional telephony makes it possible to introduce new exciting services. One such new service is introduced as a result of this thesis work. LÄS MER

  7. 25. An Ontological Approach to SIP DoS Detection

    Kandidat-uppsats, Fakulteten för ekonomi, kommunikation och IT

    Författare :Anja Fischer; Zak Blacher; [2010]
    Nyckelord :SIP; VoIP; DoS; Denial of Service; Ontology;

    Sammanfattning : Traditional public switched telephone networks (PSTN) are replaced more and more by VoIP services these days.  Although it is good for saving costs, the disadvantage of this development is that VoIP networks are less secure than the traditional  way of transmitting voice. LÄS MER