Chapter XII SeamlessTalk: User-Controlled Session Management for Sustained Car Conversations

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Ola Henfridsson

Viktoria Institute, Sweden

Mikael Wiberg

Umeå University, Sweden

Rikard Lindgren

Viktoria Institute, Sweden

Fredrik Ljungberg

IT University of Göteborg, Sweden

Abstract

This chapter approaches sustained car conversations across mobile

phones and in-car phone resources as a session management problem.

Addressing this problem, the chapter outlines a session management

model for user-controlled media switches during ongoing phone

conversations. The model makes a distinction between the user and the

infrastructure levels of session management. To illustrate and validate

the rationale of the model, the chapter presents an in-car mobile phone

hands-free system, SeamlessTalk, developed to support sustained car

conversations. The user-controlled session management model contributes

to current research on session management by addressing the explicit/

implicit session management dichotomy in multiple media situations.