Essays about: "internet telephony"

Showing result 16 - 20 of 36 essays containing the words internet telephony.

  1. 16. OBSAI Interoperability in Multi-Vendor WiMAX Base Station Architecture Environment

    University essay from KTH/Kommunikationssystem, CoS

    Author : Sumanta Saha; [2009]
    Keywords : OBSAI; RP3; RP3-01; WiMAX; LTE; Base Station;

    Abstract : Wireless networks have become a necessity with the increased mobility in human life. From cellular telephony to the Internet, all types of communication are now provided over wireless networks. However, to offer wireless network coverage over an area requires a potentially expensive infrastructure deployment. READ MORE

  3. 17. Security in Private Branch IP-Telephony Network with QoS Demands

    University essay from Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE)

    Author : KHURRAM SHAHZAD IMRAN AKBAR; [2009]
    Keywords : Security in IP Telephony; IP Telephony;

    Abstract : At the moment the demand for IP Telephony is increasing because of its scalability and efficient use of bandwidth. The main issues are security and quality of voice in IP Telephony .The study comprises previous research papers and, on the bases of those papers, comparison is made between two security techniques, IPSec VPN and MPLS VPN. READ MORE

  4. 18. A Session Initiation Protocol User Agent with Key Escrow

    University essay from

    Author : MD. Sakhawat Hossen; [2009]
    Keywords : Lawful Interception; Key escrow; SRTP; MIKEY; PKI; Digital Signature;

    Abstract : Voice over Internet Protocol (VoIP), also called IP telephony is rapidly becoming a familiar term and as a technology it is invading the enterprise, private usage, and educational and government organizations. Exploiting advanced voice coding & compression techniques and bandwidth sharing over packet switched networks, VoIP can dramatically improve bandwidth efficiency. READ MORE

  5. 19. Dial over Data solution

    University essay from KTH/Kommunikationssystem, CoS

    Author : Max Weltz; [2008]
    Keywords : telephony; PBX; Asterisk; SER; OpenSER; SIP; GSM;

    Abstract : The increased use of computer networks has lead to the adoption of Internet-based solutions for reducing telephony costs. This has proved to be a boon to callers who can reach the other party directly via the Internet. READ MORE

  6. 20. Lawful Interception and Countermeasures : In the era of Internet Telephony

    University essay from KTH/Kommunikationssystem, CoS

    Author : Romanidis Evripidis; [2008]
    Keywords : Lawful interception; countermeasures; key escrow; SRTP MIKEY; digital signatures;

    Abstract : Lawful interception and the way it is performed have played a significant role in the effectiveness of this type of communication monitoring. Although the secrecy of interception and the related equipment are supposed to provide correct information to a law enforcement agency, there are some countermeasures that can be taken by the subject that can seriously undermine the collection of correct and accurate data. READ MORE