V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MCI
       Measurement Layer Interface (UMA)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MCI
       Media Control Interface


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MCI
       Microwave Communications Incorporated


The Free On-line Dictionary of Computing (30 December 2018):

MCI

    A United States long-distance telecommunications
   company.  Recently bought from British Telecom [by ?].

   (1998-05-18)