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The IP Multimedia Subsystem (IMS) is a new mobile communications architecture, which enables many new and innovative services, and can extend the possibilities of mobile Internet application development. These mobile Internet applications and the IMS, are considered in terms of the impact that they can have on the critical success factors (CSFs) of mobile operators. The CSFs identified are particular to mobile operators that are competing in a highly saturated (in terms of mobile penetration) marketplace, and that are facing the threat of increasing competition.
O'Farrell, Amanda and Tierney, Brendan, "The IP Multimedia Subsystem (IMS) & the Mobile Internet: Opportunities for the Mobile OperatorTHE IP MULTIMEDIA SUBSYSTEM (IMS) & THE MOBILE INTERNET: Opportunities for the Mobile Operator" (2007). Conference papers. 297.