Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Internet telephony."”.
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Internet Telephony : optimizing protocols, packet recovery, and packet size
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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A cost model of Internet service providers : implications for Internet telephony and yield management
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Directory services for Internet telephony : creating a spanning layer over the Internet and telephone networks
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Using decoys to block SPIT in the IMS
… spam that has just surfaced is VoIP (Voice over Internet Telephony) spam. Currently, VoIP has seen an increasing numbers of users due to the cheap rates. With the introduction of the IMS (IP Multimedia Subsystem), the number of VoIP users are expected to increase dramatically. This calls for a …
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Session Management for Accountability in Distributed Multimedia Services
Internet-based multimedia applications (e.g., voice-over-IP, instant messaging, and video conferencing) are continuing to grow in importance as more people depend on such applications for personal and professional communications. Although performance is almost always a concern with multimedia …
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Computer Telephony Programming in Java
<p>For decades, telephony systems have relied on hardware and thus have only benefitted particular vendors or public utilities. This has resulted in high costs for telephony service. In recent years software has started to take the place of some hardware in the telephony industry. The software is …
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Getting More Out of the Existing Internet Infrastructure To Improve User Experiences
… a satisfactory quality of experience (QoE) to Internet users is crucial for content and service providers. When users get bad QoE from an application, such as the videos they are watching on a streaming provider keep freezing or the shopping Web site they are visiting takes a long time to …
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The role of attention-deficit/hyperactivity disorder and parental misperceptions in risk for child physical abuse
… calls commonly referred to as SPIT (spam over Internet telephony). Mostly, these SPIT calls are from unknown callers who broadcast unwanted calls. There may be unwanted calls from legitimate and known people too. In this case, the unwantedness depends on social proximity of the communicating …
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System and Methods for Detecting Unwanted Voice Calls
… calls commonly referred to as SPIT (spam over Internet telephony). Mostly, these SPIT calls are from unknown callers who broadcast unwanted calls. There may be unwanted calls from legitimate and known people too. In this case, the unwantedness depends on social proximity of the communicating …
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Effective identities for trusted interactions in converged telecommunication systems
… significantly and the recent convergence of telephony allows users to communicate through landlines, mobile phones and Voice over IP (VoIP) phones. Unfortunately this convergence has resulted in easy manipulation of caller identity, resulting in both VoIP spam and Caller ID spoofing. In this …
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Scaling up VoIP: Transport Protocols and Controlling Unwanted Communication Requests
… increase in the number of active user accounts. Internet telephony service providers (ITSPs), therefore, need to deploy VoIP systems to accommodate this growing demand for VoIP user accounts. Attracted people also include bad actors who make calls that are unwanted to callees. Once ITSPs openly …