Essays about: "VoIP devices"

Showing result 1 - 5 of 14 essays containing the words VoIP devices.

  1. 1. 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

  3. 2. Secure key management in a trusted domain on mobile devices

    University essay from Linköpings universitet/Databas och informationsteknik; Linköpings universitet/Tekniska fakulteten

    Author : Oskar Solsjö; [2015]
    Keywords : TPM; TEE; Common Criteria; Evaluation;

    Abstract : As mobile devices manage more and more sensitive information they have become a more targeted platform to exploit. To maintain system integrity while providing a highly responsive product, platform developers have developed hardware as well as software solutions to improve security. READ MORE

  4. 3. The Intelligent Use of Multiple Interfaces : Using multiplexing to reduce the overhead for small packets

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Niyaz Adigozalov; [2013]
    Keywords : Long-Term Evolution; LTE; multiplexing; VoIP; overhead; RTP; VPN; WLAN; Long-Term Evolution; LTE; multiplexa; VoIP; ooptimerad; RTP; VPN; WLAN;

    Abstract : Long-Term Evolution (LTE) is the latest development in wide area cellular mobile network technology. In contrast with the earlier generations of circuit-switched mobile networks, LTE is all-IP packet-switched network. Both voice and data are sent inside IP packets. Voice over IP (VoIP) is used to provide voice service to LTE users. READ MORE

  5. 4. Control traffic overhead for VoIP over LTE

    University essay from KTH/Kommunikationssystem, CoS

    Author : Syed Ghazanfar Salari; [2012]
    Keywords : LTE; VoIP capacity; Physical Downlink Control Channel PDCCH ; Control Channel Elements CCE ; indoor hotspot; scheduling concepts; openWNS simulator; performance evaluation;

    Abstract : With increasing technological advancements more sophisticated mobile devices are being used by end-users. Third generation (3G) mobile communication systems such as Universal Mobile Telecommunication System (UMTS) are not able to satisfy the rising demand for higher throughputs and low latencies. READ MORE

  6. 5. Peer to Peer VoIP over IEEE 802.11 WLAN

    University essay from Halmstad Embedded and Intelligent Systems Research (EIS)

    Author : Karunakar Antham; Chandrashekar reddy Palle; Ashwin kumar Mantoor; [2012]
    Keywords : Peer to Peer VoIP; VoIP over WLAN; Wi-Fi; Wi-Fi Ad-Hoc; Android;

    Abstract : Voice over Internet Protocol (VoIP) over WLAN is one of the most important technologies in today’s world of communication. VoIP is simply a way to make phone calls through the internet because of the convergence of voice and data networks enables new applications and cost reductions. READ MORE