Sökning: "thesis of voice over ip"

Visar resultat 1 - 5 av 65 uppsatser innehållade orden thesis of voice over ip.

  1. 1. Evaluation of the Perceived Speech Quality for G729D and Opus : With Different Network Scenarios and an Implemented VoIP Application

    Master-uppsats, Linköpings universitet/Informationskodning

    Författare :Louise Almér; [2022]
    Nyckelord :Compression; Codec; audio; speech quality; quality of experience;

    Sammanfattning : Communication has always been a vital part of our society, and day-to-day communication is increasingly becoming more digital. VoIP (voice over IP) is used for real-time communication, and to be able to send the information over the internet must the speech be compressed to lower the number of bits needed for transmission. LÄS MER

  3. 2. Homomorphic Encryption for Audio Conferencing

    Master-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :Herman Nordin; Ebba Lindström; [2022]
    Nyckelord :Homomorphic encryption; VoIP; security; audio conferencing; cryptography;

    Sammanfattning : Homomorphic encryption (HE) enables computations on encrypted data making it possible to perform calculations on a server without sharing the secret key for decryption. HE is relatively new and has seen significant improvements in recent years in terms of speed of encryption, decryption, operations, and the number of operations possible to perform in a row without damaging the ciphertext. LÄS MER

  4. 3. Detecting SQL Injection Attacks in VoIP using Real-time Deep Packet Inspection : Can a Deep Packet Inspection Firewall Detect SQL Injection Attacks on SIP Traffic with Reasonable Performance?

    Master-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :Linus Sjöström; [2019]
    Nyckelord :DPI SQL;

    Sammanfattning : The use of the Internet has increased over the years, and it is now an integral part of our daily activities, as we often use it for everything from interacting on social media to watching videos online. Phone calls nowadays tend to use Voice over IP (VoIP), rather than the traditional phone networks. LÄS MER

  5. 4. 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

  7. 5. 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