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Desktop sharing through video- and audio-conferences
Zukal, Martin ; Morský, Ondřej (referee) ; Číka, Petr (advisor)
The following diploma thesis is devoted to the desktop sharing description and its opportunities. Existing solutions and their advantages and disadvantages are described at the beginning of the text. The most extensive part deals with the design and the implementation of a new solution for the desktop sharing. The thesis aims at providing a possibility to observe desktop of one computer from another one. For achieving it, two appliactions (a server and a client) have been developed, and they are described in the text with utilization of UML (Unified Modeling Language) diagrams. The RFB (Remote Framebuffer) protocol has been chosen as the means for communication between the applications. A detailed description of this protocol is also included in the text. The developed solution is tested and compared with other similar applications in the final part of the work. After that, some areas needing slight improvements are named to achieve competitiveness of the developed solution with other applications of a similar type.
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SIP Protocol Implementation
Dušek, Martin ; Zukal, Martin (referee) ; Číka, Petr (advisor)
This Master’s thesis deals in detail with the SIP protocol – a method of communication between two entities, various types of transmitted messages and their content. Few SIP libraries are introduced and two of them are used for development of an application for audio/video conference-calls. Compilation of OPAL and PTlib libraries for Windows 7 Professional (64bit) is described, and problems resulting from lack of information provided by authors. New improved “how to build” is presented. At the end, paper focuses on several ways of development of mentioned application.
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Videoconference potentials in PBX Asterisk
Vlk, Bronislav ; Číka, Petr (referee) ; Krajsa, Ondřej (advisor)
This thesis deals with the possibilities of video conferencing in Asterisk PBX and their use in practice. They also described the contingencies and how its configuration. Particular attention is paid to the protocols SIP, IAX and H.323, which are described in one of the chapters. The thesis was created by the Asterisk PBX, which demonstrates cooperation with videoconferencing clients. The thesis describes the configuration files so that the central set. Conclusion the work assesses the use of codecs for different clients.
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Interrogation in Criminal Proceedings
Jurová, Zuzana ; Šelleng, Dalibor (advisor) ; Pelc, Vladimír (referee)
Interrogation in Criminal Proceedings Abstract This thesis focuses on interrogation in criminal proceedings, as it is one of the most often used procedures in investigation of crimes. The first chapter addresses interrogation in the context of the current legislation, i.e. how is this procedure regulated at the statutory level. In relation to the person against whom the proceedings are being conducted, it deals with the right to a formal defence, and then with the right to a material defence and its various aspects. In relation to the witness, the thesis addresses the right of the witness to be represented, the right to refuse to testify and the specifics of interrogation of certain witnesses, including a confidential witness. The second chapter addresses interrogation as a discipline of forensic science, describing how the actual interrogation is conducted in all its phases, i.e. the phase of preparation, the actual interrogation and the subsequent documentation of the interrogation. The author has not forgotten to address the specifics of conducting interrogation by means of videoconference, including quantitative research on the frequency of its use by selected courts in the Czech Republic, as well as qualitative research in the form of individual interviews with attorneys practicing criminal law on the...
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Videoconference potentials in PBX Asterisk
Vlk, Bronislav ; Číka, Petr (referee) ; Krajsa, Ondřej (advisor)
This thesis deals with the possibilities of video conferencing in Asterisk PBX and their use in practice. They also described the contingencies and how its configuration. Particular attention is paid to the protocols SIP, IAX and H.323, which are described in one of the chapters. The thesis was created by the Asterisk PBX, which demonstrates cooperation with videoconferencing clients. The thesis describes the configuration files so that the central set. Conclusion the work assesses the use of codecs for different clients.
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SIP Protocol Implementation
Dušek, Martin ; Zukal, Martin (referee) ; Číka, Petr (advisor)
This Master’s thesis deals in detail with the SIP protocol – a method of communication between two entities, various types of transmitted messages and their content. Few SIP libraries are introduced and two of them are used for development of an application for audio/video conference-calls. Compilation of OPAL and PTlib libraries for Windows 7 Professional (64bit) is described, and problems resulting from lack of information provided by authors. New improved “how to build” is presented. At the end, paper focuses on several ways of development of mentioned application.
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|
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Desktop sharing through video- and audio-conferences
Zukal, Martin ; Morský, Ondřej (referee) ; Číka, Petr (advisor)
The following diploma thesis is devoted to the desktop sharing description and its opportunities. Existing solutions and their advantages and disadvantages are described at the beginning of the text. The most extensive part deals with the design and the implementation of a new solution for the desktop sharing. The thesis aims at providing a possibility to observe desktop of one computer from another one. For achieving it, two appliactions (a server and a client) have been developed, and they are described in the text with utilization of UML (Unified Modeling Language) diagrams. The RFB (Remote Framebuffer) protocol has been chosen as the means for communication between the applications. A detailed description of this protocol is also included in the text. The developed solution is tested and compared with other similar applications in the final part of the work. After that, some areas needing slight improvements are named to achieve competitiveness of the developed solution with other applications of a similar type.
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