Essays about: "Telephony"

Showing result 11 - 15 of 105 essays containing the word Telephony.

  1. 11. Analyzing network monitoring systems and objects for a telecommunications company

    University essay from Mälardalens högskola/Akademin för innovation, design och teknik

    Author : David Arvedal; [2017]
    Keywords : Network Monitoring; Network Monitoring Objects; NMS; Network Monitoring System; Datadog; Monitor VoIP;

    Abstract : The goal with this thesis work has been to identify what a telecommunications company should monitor and to find a network monitoring system that can monitor these identified objects on two different platforms: Windows and Linux. The network monitoring system has been implemented in a telecommunications company’s environment and this thesis presents how the system monitors their environment. READ MORE

  3. 12. A protocol for decentralized video conferencing with WebRTC : Solving the scalability problems of conferencing services for the web

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Andreas Hallberg; [2016]
    Keywords : video conference; WebRTC; Peer-to-peer; P2P protocols; streaming; scalability; distributed systems; internet telephony; distributed consensus;

    Abstract : Video conferencing has been a part of many communication platforms over the years. Over the last decades users have moved from dedicated telephony networks to the Internet, and recently to the Web. READ MORE

  4. 13. A reverse proxy for VoIP : Or how to improve security in a ToIP network

    University essay from KTH/Kommunikationsnät

    Author : Guillaume Dhainaut; [2016]
    Keywords : VoIP; ToIP; SIP; SIPS; RTP; SRTP; SBC; session border controller; security; toll fraud;

    Abstract : The need for security is crucial in Telephony over IP (ToIP). Secure protocols have been designed as well as specific devices to fulfill that need. This master thesis examines one of such devices called Session Border Controller (SBC), which can be compared to reverse proxies for ToIP. The idea is to apply message filters to increase security. READ MORE

  5. 14. DLL Based Reference Multiplier for the use in a PLL for WLAN applications

    University essay from Lunds universitet/Fysiska institutionen

    Author : Kamal Gupta; [2015]
    Keywords : reference multiplier; Frequency synthesizer; Frequency multiplier; PLL; DLL; Delay locked loop; VCDL; inverter-based VCDL; charge pump; XOR phase detector; phase noise; 4X multiplier; Technology and Engineering;

    Abstract : This master’s thesis project report deals with the design of multiplier for the reference signal to the Phase Locked Loop (PLL) used in WLAN application. The reference multiplier designed is based on a newly proposed architecture of dual loop feedback Delay Locked Loop (DLL) in which multiplication is performed within the loops. READ MORE

  6. 15. Connecting the World: Exploring the Economic Impact of Mobile Broadband Networks

    University essay from Handelshögskolan i Stockholm/Institutionen för nationalekonomi

    Author : Edward Lindquist; [2015]
    Keywords : ICT; mobile broadband; 3G networks; economic development; panel data;

    Abstract : In this thesis, we set out to investigate mobile broadband and the economic impact that these technologies have had. This is a crucial topic in light of the rapid expansion of mobile telephony and mobile broadband. The basic findings are in line with those from previous ICT-based studies. READ MORE