Entry of stand-alone Credit card transaction in POS System

Posted by Nick on May 29, 2007, 9:59 pm

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This question is for POS 2.0
Merchant used stand-alone terminal for few days to process credit card
transactions while testing and setting up POS system. Now that POS system is
good to go, wondering how to enter those previous credit card transaction in
POS system? If credit card information is manually entered it will charge
customer twice. If entered as cash, it will be inaccurate tender type for
accounting purpose.
Is there anyway to enter previous credit card transactions without charging
customer twice while maintaining accurate accounting? This may be necessay
in future also in the situation when their internet connection or computer
goes down for some reason and they use stand-alone credit card terminal to
process transactions. How would they re-enter those sales in POS system in
order to maintain inventory and accounting as accurately as possible?

Taking voice authorization is one option, but it is time consuming
especially when a merchant is busy with several customers.