Sökning: "SIP session"

Visar resultat 16 - 20 av 52 uppsatser innehållade orden SIP session.

  1. 16. An SCTP Based Decentralized Mobility Framework

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

    Författare :Waqas Ahmed Imtiaz; Md. Jashim Uddin; [2010]
    Nyckelord :SCTP; DHT; CHORD; Multihoming; Handover; Location Managment;

    Sammanfattning : IP address has become a key feature in the current internet architecture. However, the basic design of Internet Protocol stack is based on architecture shaped years ago, when internet was a static network. LÄS MER

  2. 17. 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

  3. 18. Security Issues of SIP

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

    Författare :Gulfam Asghar; Qanit Jawed Azmi; [2010]
    Nyckelord :SIP; registration hijecking; message tempering; Dos; Firewall NAT;

    Sammanfattning : Voice over IP (VoIP) services based on Session Initiation Protocol (SIP) has gained much attention as compared to other protocols like H.323 or MGCP over the last decade. SIP is the most favorite signaling protocol for the current and future IP telephony services, and it‘s also becoming the real competitor for traditional telephony services. LÄS MER

  4. 19. Mobility Requirements in Tactical IP Networks : A Study of Available Techniques and Future Challenges

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för informationsteknologi

    Författare :Christian Wallin; [2009]
    Nyckelord :;

    Sammanfattning : This report studies the requirements of IP mobility in tactical networks. Whatchallenges are there and how can they be dealt with. Different mobility aspects arestudied and the challenges for these are presented and discussed. LÄS MER

  5. 20. Service Improvements for a VoIP Provider

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Zhang Li; [2009]
    Nyckelord :VoIP; SIP; Asterisk; Symbian; JavaEE; JBoss; DoD;

    Sammanfattning : This thesis project is on helping a Voice over Internet Protocol (VoIP) service provider by improving server side of Opticall AB's Dial over Data solution. Nowadays, VoIP is becoming more and more popular. People use VoIP to call their family and friends every day. LÄS MER