You can import IMSI/SCID/Phone assignment from any text-based file , where is are only IMSI or SCID and following assigned phone number on the single line only.
There Only records will be imported only records with which contain IMSIs/SCIDs of SIM cards which are already in the database (SIM has to be physically inserted in the SIM Board and assigned to the SIM Group). Maximum count of assignments in one file is 320. See an example of a few rows in such text file below.
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