Citation
Pallis, G. (2010). A comparative study of in-band and out-of-band VOIP protocols in layer 3 and layer 2.5 environments. (Thesis). Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/id/eprint/4005
Keywords
Circuit-switched telephony; PSTN; phone communication; VOIP; Internet telephony; sound quality; signalling protocols; security systems; performance measurement;
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