Sökning: "voice over ip"
Visar resultat 11 - 15 av 91 uppsatser innehållade orden voice over ip.
11. Talöverföring för trygghetslarm över internet : Voice over IP for personal alarms
Uppsats för yrkesexamina på grundnivå, KTH/Skolan för informations- och kommunikationsteknik (ICT)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
12. Utilizing Multi-Core for Optimized Data Exchange Via VoIP
Master-uppsats, KTH/Medicinsk bildteknikSammanfattning : 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
13. Estimating Internet-scale Quality of Service Parameters for VoIP
Master-uppsats, Linköpings universitet/Programvara och systemSammanfattning : 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
14. Robust Echo-Cancellation for Simple VoIP-Applications in Embedded Systems
Master-uppsats, Linköpings universitet/KommunikationssystemSammanfattning : Voice over IP (VoIP) is the group of techniques for delivering voice communications over Internet Protocol (IP) networks. It has mainly served as the possible substitution for regular PSTN over the last decades, but has recently gained an increased interest in various areas such as alarm applications and customer service. LÄS MER
15. Design of IP Multimedia Subsystem for Educational Purposes
Master-uppsats, KTH/Radio Systems Laboratory (RS Lab)Sammanfattning : Internet Protocol multimedia subsystem (IMS) is an architecture for services such as voice over Internet Protocol (VoIP) in IP based communication systems. IMS is standardized by the 3GPP standardization forum, and was first released in 2002. Since then IMS has not had the wide adoption by operators as first anticipated. LÄS MER