Essays about: "SIP server"

Showing result 21 - 25 of 27 essays containing the words SIP server.

  1. 21. Exploiting Presence

    University essay from KTH/Kommunikationssystem, CoS

    Author : Ke Wang; [2008]
    Keywords : Context-aware application; SIP; SIMPLE; XML; CPL; SER; GPS; Position determination;

    Abstract : By exploiting context awareness, traditional applications can be extended to offer better quality or new functions. Utilizing a context-aware infrastructure, a variety of context information is merged and processed to produce information that is useful to applications. READ MORE

  3. 22. Voice Mail System for IP Multimedia Sub-system

    University essay from Institutionen för informationsteknologi

    Author : Henrik Back; Ming Zhao; [2008]
    Keywords : ;

    Abstract : The IP Multimedia Subsystem (IMS) framework as an architectural framework to deliver multimedia services is under rapid development, to become the nextgeneration telecommunication service framework. The objective of this work is to design an application server for the IMS framework to provide voice mail service to subscribed users. READ MORE

  4. 23. Context-aware applications for a Pocket PC

    University essay from KTH/Kommunikationssystem, CoS

    Author : Yu Sun; [2007]
    Keywords : Context; Context-aware; Pocket PC; reminder; SIP; SIMPLE; XML; PIDF;

    Abstract : With the rapid development of technology for context awareness, pervasive computing is releasing people from their traditional desktops. Since mobile devices feature portability and are (nearly) always connected, people tend to carry them wherever they go. READ MORE

  5. 24. A Presence Server for Context-aware Applications

    University essay from KTH/Kommunikationssystem, CoS

    Author : Mohammad Zarifi Eslami; [2007]
    Keywords : Context; Context-aware; SIP; SIP-SIMPLE; XML; PIDF; SER; Presence Agent module; Subscribe message; Publish message; Notify message;

    Abstract : This master’s thesis project “A Presence Server for Context-aware Applications” was carried out at KTH Center for Wireless Systems (Wireless@KTH). The overall goal of this thesis project is to implement a context aware infrastructure to serve as middleware for different kinds of context aware applications, such as a context-aware printing application, location based notifier application, etc. READ MORE

  6. 25. Denial of Service on SIP VoIP infrastructures using DNS flooding

    University essay from Blekinge Tekniska Högskola/Avdelningen för för interaktion och systemdesign

    Author : Ge Zhang; [2007]
    Keywords : SIP; VoIP; Denial of Service;

    Abstract : A simple yet effective Denial of Service (DoS) attack on SIP servers is to flood the server with requests addressed at irresolvable domain names. In this paper we evaluate different possibilities to mitigate these effects and show that over-provisioning is not sufficient to handle such attacks. READ MORE