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Assessing Voice Quality in Packet-Based Telephony
May/June 2002 (vol. 6 no. 3)
pp. 48-57

Delay, echo, codec type, and packet loss all come into play in achieving the quality of PSTN calls in packet-based telephony.

Citation:
Jan Janssen, Danny De Vleeschauwer, Maarten Büchli, Guido H. Petit, "Assessing Voice Quality in Packet-Based Telephony," IEEE Internet Computing, vol. 6, no. 3, pp. 48-57, May-June 2002, doi:10.1109/MIC.2002.1003131
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