Essays about: "Security of VOIP"

Showing result 21 - 25 of 26 essays containing the words Security of VOIP.

  1. 21. Secure Session Mobility for VoIP

    University essay from KTH/Kommunikationssystem, CoS

    Author : Samir Dzaferagic; [2008]
    Keywords : Secure VoIP; SIP; Mobile IP; Session Mobility;

    Abstract : High data rate wireless packet data networks have made real-time IP based services available through mobile devices. At the same time, differences in the characteristics of radio technologies (802.11/WiFi and 3G networks) make seamless handoff across heterogeneous wireless networks difficult. READ MORE

  3. 22. VoWiFi Roaming

    University essay from KTH/Kommunikationssystem, CoS

    Author : Syed Muhammad Ali; [2006]
    Keywords : Voice over WiFi;

    Abstract : Freedom is human’s natural instinct, which was limited by Ethernet and Fixed Telephony Era. With the emergence of new technologies like wireless fidelity (WiFi) and voice over IP (VoIP) humans once again have freedom of movement; which at the very same time provides enough reasons to change the market dynamics of communication industry. READ MORE

  4. 23. Security in VoIP-Current Situation and Necessary Development

    University essay from Institutionen för systemteknik

    Author : Li Li Gao; [2006]
    Keywords : VoIP; Security; MGCP; threats; risk; IPSec; Hash; encryption.; VoIP vulnerability; VoIP protocols; H.323. SIP; RTP; RTCP;

    Abstract : Nowadays, VoIP is getting more and more popular. It helps company to reduce cost, extends service to remote area, produce more service opportunities, etc. Besides these advantages, VoIP also put forward security problems. READ MORE

  5. 24. Secure data and voice over wireless networks in disaster and emergency response

    University essay from KTH/Mikroelektronik och Informationsteknik, IMIT

    Author : Tung Vu Hoang; [2005]
    Keywords : Disaster Response; WIDER; SIP; SRTP; MIKEY; VoWLAN; Satellite;

    Abstract : Communication is often limited in a disaster area and other emergency situations where no infrastructure exists or existing infrastructure has been destroyed. This makes its difficult for relief workers in the field to communicate with one another and with their home head office. READ MORE

  6. 25. Secure Mobile Voice over IP

    University essay from KTH/Mikroelektronik och Informationsteknik, IMIT

    Author : Israel Manuel Abad Caballero; [2003]
    Keywords : security; voice over IP; Secure Real-Time Protocol SRTP;

    Abstract : Voice over IP (VoIP) can be defined as the ability to make phone calls and to send faxes (i.e., to do everything we can do today with the Public Switched Telephone Network, PSTN) over IP−based data networks with a suitable quality of service and potentially a superior cost/benefit ratio. READ MORE