Sökning: "voice over ip"

Visar resultat 6 - 10 av 91 uppsatser innehållade orden voice over ip.

  1. 6. Securing LBO VoLTE roaming with multiple Escrow Agents : A dynamic approach to distribute cryptographic keys to Escrow Agents

    Master-uppsats, KTH/Radio Systems Laboratory (RS Lab)

    Författare :Nathanael Eneroth; [2018]
    Nyckelord :LTE; VoLTE; LBO; Lawful Intercept; Multiple Escrow Agents; Shamir’s Secret Sharing; LTE; VoLTE; LBO; laglig avlyssning; flera Escrow Agents ; Shamirs krypteringsmetod;

    Sammanfattning : The fourth generation cellular mobile broadband, Long-Term Evolution (LTE), provides high speed Internet via Internet Protocol (IP). Today’s wireless infrastructure paves the way to a connected society where high speed Internet is seamlessly available at all times for anyone to use. LÄS MER

  3. 7. Measuring one-way Packet Delay in a Radio Network

    Master-uppsats, Linköpings universitet/Kommunikationssystem

    Författare :Daniel Fahlborg; [2018]
    Nyckelord :Quality of Service; Packet delay; one-way packet delay; Radio network; Simulator; Quality evaluation;

    Sammanfattning : Radio networks are expanding, becoming more advanced, and pushing the limits of what is possible. Services utilizing the radio networks are also being developed in order to provide new functionality to end-users worldwide. LÄS MER

  4. 8. Utilizing Multi-core for optimized Data Exchange via VoIP

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Sohrab Azami Ghadim; [2018]
    Nyckelord :;

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

  5. 9. On the security of VoIP mobile network operator and international carrier interconnects

    Master-uppsats, KTH/Skolan för elektro- och systemteknik (EES)

    Författare :Mina Naguib; [2016]
    Nyckelord :VoIP; Security; TDM; PSTN; International Carrier Network; Mobile Operators; SBC; Signaling;

    Sammanfattning : All Mobile Network Operators (MNOs) as well as international carriers are moving voice services from the legacy Public Switched Telephone Network (PSTN) to Voice over IP (VoIP). The benefit is that VoIP traffic can be easily rerouted at any moment, thus giving companies a variety of options as traffic can be rerouted to any carrier of choice leading to different Quality of Service (QoS) levels (and thus agreements) as well as different prices to choose from. LÄS MER

  7. 10. Evaluating Voice over IP phone implementation on a freescale Cortex A9 processor running Linux using open source SIP and WebRTC

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Eric Sjögren; [2016]
    Nyckelord :;

    Sammanfattning : Voice over IP (VoIP) is a methodology that refers to the delivery of multimedia and voice sessions over an Internet connection and it provides an alternative to regular voice calls using phone lines, usually referred to as the Public Switched Telephone Network (PSTN). Web Real-Time Communication (WebRTC) is an API denition for browser-to-browser VoIP applications; the denition acts as a foundation for applications using voice, video, chat, and P2P le sharing in a browser environment without the need of either internal or external plugins. LÄS MER