Sökning: "Security in IP Telephony"

Visar resultat 6 - 10 av 18 uppsatser innehållade orden Security in IP Telephony.

  1. 6. Evaluation of VoIP Security for Mobile Devices

    Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Prajwol Kumar Nakarmi; [2011]
    Nyckelord :VoIP; smartphones; IMS; SIP; SRTP; MIKEY-TICKET; GBA GBA Digest;

    Sammanfattning : Market research reports by In-Stat, Gartner, and the Swedish Post and Telecom Agency (PTS) reveal a growing worldwide demand for Voice over IP (VoIP) and smartphones. This trend is expected to continue over the coming years and there is wide scope for mobile VoIP solutions. LÄS MER

  3. 7. Granskning och optimering av data- och IP-telefoninätverk

    M1-uppsats, Akademin för innovation, design och teknik

    Författare :Jhonny Eriksson; Joel Karlsson; [2010]
    Nyckelord :ARP Poisoning; CEF; DAI; DHCP Snooping; Etherchannel; HSRP; NAT; nätverksattacker; nätverksdesign; OSPF; QoS; SNMP; SSH; STP; Syslog; VLAN; VMPS; VMPS; VoIP; VTP;

    Sammanfattning : The company Västra Mälardalens Kommunalförbund, VMKF, wishes to revise and optimize their present data and IP-telephony network as of today consists of the three municipalities Köping, Arboga and Kungsör. As a municipal corporation, they seek consultation regarding internal as well as external review and investigation of the main structure of the network, its functionality and safety. LÄS MER

  4. 8. 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

  5. 9. Security in Private Branch IP-Telephony Network with QoS Demands

    Magister-uppsats, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

    Författare :KHURRAM SHAHZAD IMRAN AKBAR; [2009]
    Nyckelord :Security in IP Telephony; IP Telephony;

    Sammanfattning : At the moment the demand for IP Telephony is increasing because of its scalability and efficient use of bandwidth. The main issues are security and quality of voice in IP Telephony .The study comprises previous research papers and, on the bases of those papers, comparison is made between two security techniques, IPSec VPN and MPLS VPN. LÄS MER

  7. 10. SIP on an Overlay Network

    Master-uppsats, KTH/Kommunikationssystem, CoS

    Författare :Xiao Wu; [2009]
    Nyckelord :VOIPSec; NAT; IPSec; SIP; SRTP; VPN;

    Sammanfattning : With the development of mobile (specifically: wide area cellular telephony) technology, users’ requirements have changed from the basic voice service based on circuit switch technology to a desire for high speed packet based data transmission services. Voice over IP (VoIP), a packet based service, is gaining increasing attention due to its high performance and low cost. LÄS MER