Now showing items 1-9 of 9

  • Ανάπτυξη λογισμικού παρακολούθησης της ποιότητας υπηρεσίας για συσκευές κινητών συμβατές με το σύστημα IMS.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Tsiolis, Georgios
    Thesis advisor: Xylouris, Georgios
    Publication Date: 13-12-2011
    The convergence of multimedia (i.e. video, voice and data) services with mobile/fixed networks and broadcast-interactive applications is creating new demands for high quality and user- responsive service provision management. ...
  • A cloud-based emergency system for smart enhanced living environments.

    T.E.I. of Crete, School of Engineering (STEF), PPS in Informatics and Multimedia
    Authors: Nikoloudakis, Ioannis
    Thesis advisor: Pallis, Evangelos
    Publication Date: 2017-09-18
    The combination of Assisted Living (AL) and Ambient Intelligence (AmI) paradigms, has given birth to a multidisciplinary scientific/technological domain, known as the “Ambient Assisted Living” (AAL). Its aim is to improve ...
  • VoIP (Voice over Internet Protocol), Telephony via internet, next generation communications telephony.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Panagopoulos, Dimitris
    Thesis advisor: Antonidakis, Emmanouil
    Publication Date: 27-09-2010
    VoIP has come into our lives in recent years and has given many options pertain to communicate via PC and via the traditional phone that every family use at home. Through this work we’ll see how the traditional telephony ...
  • SIP protocol analysis.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Akrotirianakis, Michail
    Publication Date: 03-04-2008
    The aim of this thesis is to present and analyze one of the most developed protocols used for the creation of VoIP applications, SIP protocol.
  • Analysis and implementation of SIP communications protocol.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Papoutsis, Ioannis
    Thesis advisor: Liodakis, Georgios
    Publication Date: 29-02-2008
    Session Initiation Protocol (SIP) is an application-layer signaling protocol that can establish, modify, and terminate interactive multimedia sessions over IP networks. SIP is expected to revolutionize tomorrow's telephony ...
  • Development and evaluation of a web friendly telephone system.

    T.E.I. of Crete, School of Engineering (STEF), PPS in Informatics and Multimedia
    Authors: Daskalakis, Dimitrios-Christos
    Thesis advisor: Panagiotakis, Spyridon
    Publication Date: 2016-11-01
    In this thesis we exploit the relative maturity of technologies and libraries such as WebRTC, JsSIP and Asterisk in order to achieve enhanced communications abilities. We enable the browser to accept and make calls, ...
  • Theoretical study of Asterisk according to VOIP and SIP protocols.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Vagias, Dimitrios
    Thesis advisor: Malamos, Athanasios
    Publication Date: 09-02-2012
    Asterisk is software that turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and many others. It is used by small businesses, large businesses, call ...
  • Measuring performance and system reliability in Voip telephony mounted in the Protocol (SIP) using the tools SIPP and VoIP Monitor.

    T.E.I. of Crete, School of Engineering (STEF), Department of Electrical Engineering
    Authors: Fragkos, Alexandros
    Thesis advisor: Vasilakis, Konstantinos
    Publication Date: 15-07-2014
    The Voice over IP or VoIP protocols features a team of protocols- technologies (H.323, SIP), which offers real-time voice chat with relatively good quality and with none or reduced cost, thanks to worldwide broadband ...
  • VoIP services VoIP in an Asterisk platform.

    T.E.I. of Crete, School of Applied Sciences, Department of Electronic Engineering
    Authors: Christou, Elli
    Thesis advisor: Liodakis, Georgios
    Publication Date: 07-09-2009
    The method that was used is a program which realises calls via internet changing the voice in parcels of data in real time. These parcels are coded in files of data, dispatched via internet and coded in sound by some other ...