The impact of cellular telephone use on driver performance was tested using an interactive driving simulator. While drivers followed a 15-mile route containing curves, obstacles and signs, they sent and received mobile calls and tuned a radio. Type of cellular telephone varied (i.e., manual dialing/ hand-held: memory dialing/hands-free; or voiceactivated/hand-held), as did cellular telephone mo...

Voice over Internet Protocol (VoIP) technologies are integral to modern telecommunications because of their advanced features, flexibility, and economic benefits. Internet Service Providers initially promoted these technologies by providing low cost local and international calling. At present, there is also a great deal of interest in using IP-based technologies to replace traditional small and...

James J. McAndrews* Networks play an integral part in the production and consumption of certain goods and services, including transportation, communications, and payment systems. A network good or service has two main characteristics: the value a person gets from the product increases as more people consume it and the technique a firm chooses to produce the product will depend on techniques cho...

Introduction: Telephony has been the great “natural monopoly” of mid-century America. Early in the twentieth century, the policy of regulated monopoly for telephone was established; state and Federal regulation were based on this paradigm. By the late 1950s, there was some evidence that technology could be undermining the basis of this policy, and the Federal Communications Commission (FCC) beg...

This issue of IEEE Communications Magazine describes activities in integrating the desktop computer with the telephone system (computer-telephony integration, or CTI), giving users easier access to telephone feature sets leveraging the computer’s graphical user interface, or allowing a telephone call to be incorporated into a larger computer application. In the preface to this issue, Vint Cerf ...

background to get more precise responses when gathering information about sensitive topics such as drug use, it is important to use the most optimal method. objectives this study was carried out to address the impact of three interview methods (street-based, household, and telephone interviews) on response pattern to sensitive and non-sensitive questions in terms of participation, disclosure an...