FIELD: information technology.
SUBSTANCE: invention relates to mechanisms of data exchange between devices via NFC technology. DH may be configured to receive an activation message from a NFCC that is using a Frame RF interface over NFC-B RF technology, determine that one or more data exchange parameters included in activation message are different from one or more corresponding current relevant data exchange parameters that NFCC is configured to implement, generate an RF parameter update command including one or more data exchange parameters corresponding to one or more current relevant data exchange parameters that are determined to be different, and send generated RF parameter update command to NFCC to prompt NFCC to update one or more corresponding current relevant data exchange parameters.
EFFECT: improved of mechanisms of prompting NFCC controller to update data exchange parameters for communication between a host DH and a remote NFC terminal via ISO-DEP protocol.
40 cl, 8 dwg, 4 tbl
