Sofia Di Sarno-García holds a PhD in Applied Linguistics from the Universitat Politècnica de València. Her research interests include interlanguage pragmatics, intercultural communicative competence, and telecollaboration. She is Assistant Editor of the journal The Eurocall Review and she teaches English for Professional and Academic Communication at the Universidad Politécnica de Madrid. Irina Argüelles Álvarez is a professor at the Technical School of Engineering and Telecommunications Systems at the Polytechnic University of Madrid. She carries out her teaching and research work in applied linguistics as a member of the Department of Linguistics Applied to Science and Technology and within the research Group on Acoustics and MultiMedia Applications (GAMMA).