Sökning: "voIp"

Visar resultat 21 - 25 av 159 uppsatser innehållade ordet voIp.

  1. 21. Parametric Prediction Model for Perceived Voice Quality in Secure VoIP

    Master-uppsats, Linköpings universitet/Informationskodning

    Författare :Martin Andersson; [2016]
    Nyckelord :VoIP; QoS; Parametric model; Encryption;

    Sammanfattning : More and more sensitive information is communicated digitally and with thatcomes the demand for security and privacy on the services being used. An accurateQoS metric for these services are of interest both for the customer and theservice provider. LÄS MER

  3. 22. Talöverföring för trygghetslarm över internet : Voice over IP for personal alarms

    Uppsats för yrkesexamina på grundnivå, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Peter Stenman; Mikael Janson; [2016]
    Nyckelord :VOIP; SIP; Raspberry Pi; PCB; VOIP; SIP; Raspberry Pi; PCB;

    Sammanfattning : During the last couple of years there has been a shift in technology within the Swedish elderly care where the analog personal security alarm is being replaced with personal security alarm that uses internet to communicate. This transition happens due to the ever increasing access to the internet among the elderly and the decreasing availability of analog personal security alarms. LÄS MER

  4. 23. Utilizing Multi-Core for Optimized Data Exchange Via VoIP

    Master-uppsats, KTH/Medicinsk bildteknik

    Författare :Sohrab Azami Ghadim; [2016]
    Nyckelord :VoIP; telemedicine; ECG; SIP; Visual C ; PJSIP; Multi-threading; voice stream; Data Stream;

    Sammanfattning : In contemporary IT industry, Multi-tasking solutions are highly regarded as optimal solutions, because hardware is equipped with multi-core CPUs.  With Multi-Core technology, CPUs run with lower frequencies while giving same or better performance as a whole system of processing. LÄS MER

  5. 24. Implementation and Evaluation of Positional Voice Chat in a Massively Multiplayer Online Role Playing Game

    Uppsats för yrkesexamina på avancerad nivå, Blekinge Tekniska Högskola/Institutionen för programvaruteknik

    Författare :Viktor Kelkkanen; [2016]
    Nyckelord :Positional spatial VoIP QoE;

    Sammanfattning : Computer games, especially Massively Multiplayer Online Role Playing Games, have elements where communication between players is of great need. This communication is generally conducted through in-game text chats, in-game voice chats or external voice programs. LÄS MER

  7. 25. Estimating Internet-scale Quality of Service Parameters for VoIP

    Master-uppsats, Linköpings universitet/Programvara och system

    Författare :Markus Niemelä; [2016]
    Nyckelord :Voice over IP VoIP ; Quality of Service QoS ; cost estimation; QoS-driven routing;

    Sammanfattning : With the rising popularity of Voice over IP (VoIP) services, understanding the effects of a global network on Quality of Service is critical for the providers of VoIP applications. This thesis builds on a model that analyzes the round trip time, packet delay jitter, and packet loss between endpoints on an Autonomous System (AS) level, extending it by mapping AS pairs onto an Internet topology. LÄS MER