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Voice over IP (VoIP)

Authors: M. Alakhras;

Voice over IP (VoIP)

Abstract

1.VoIP - An Introduction a.Packet switching vs. circuit switching b.Motivations and advantages c.Possible applications 2.VoIP - technologies a.VoIP and TCP / IP Protocol Suite b.VoIP signalling protocols i. H.323 ii. SIP iii. SDP iv. RTP / RTCP c.Resource Reservation Protocols 3.Challenges of Voice over IP a.Before VoIP session b.After VoIP session c.During VoIP Session i. Packet loss ii. Delay iii. Jitter iv. Other challenges 4.Methods available for measuring the quality of media sessions a.Subjective tests b.Intrusive-based objective tests c.non-intrusive-based objective tests 5.Experimental work for measuring the quality a.Artificial voices b.2-state Markov models c.Linear - regression method d.Non-Linear - regression method e.genetic algorithms method f.An artificial neural network approach g.Comparisons between different methods 6.Conclusions

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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