“…5771/0935-9915-2014-4-248 Generiert durch IP '44.224.250.200', am 21.12.2021, 19:31:18 service delivery process to the customer, informing the customer, asking about further needs or generally engaging in relational communication (Barnard, 2001;Bowen & Schneider, 1985;Fischbach, 2003;Gittell, Weinberg, Pfefferle, & Bishop, 2008;Grant, 2007;Johnson, 1996;Mohr & Bitner, 1991;Rafaeli, Ziklik, & Doucet, 2008;Weitz, 1978). Research and business magazines increasingly claim that technical employees should extend their work roles, adopting Customer Related tasks in addition to their technical core tasks (Buchanan & McCalman, 1989;Duris, 2000;Gordon, 2007;Newman, 2003;Houben & Wuestner, 2014). Managers emphasizes the importance of relationships with clients and customers (Cascio, 1995).…”