Channel 0
Channel 0 payment/admin request from the POS will be presented to the core as method calls (for example, authorise()). This is a blocking call in that the channel 0 response will not be sent to the POS until that method returns.
Channel 0 payment/admin request from the POS will be presented to the core as method calls (for example, authorise()). This is a blocking call in that the channel 0 response will not be sent to the POS until that method returns.