Internet phone — changing the telephony paradigm?

Authors:
R. Babbage;I. Moffat;A. O‘Neill;S. Sivaraj
Affiliations:
BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE;BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE;BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE;BT Laboratories, Martlesham Heath, Ipswich, Suffolk, England IP 5 3RE
Venue:
BT Technology Journal
Year:
1997

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Abstract

This paper provides an overview of the history, current status, and underlying technology of ‘Internet telephony‘ — the transport of speech information over a packet-switched connectionless network. The economics of Internet telephony and a number of possible system architectures for interconnection with the switched telephone network are examined. The paper concludes with a look at the quality of service issues raised by Internet telephony.