Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSRI is...

OSRI is

  • Originating Station Routing Indicator

OSRI is also in:

Acronym Definition Searched: TOMM SCIT ELT EM1C ALO 65787 AEAE RR LIT MIK CNRGW SNRA TFB TCV CIT