Connecting to PaymentTrust's Secure Transaction Network - WorldPay

MSP
See Member Service Provider.
N
Network
See Processor. Also used to refer to communication networks like AT&T or CompuServe.
Non-Qualified
A broad term that describes a transaction that did not interchange at the best rate, because it was
entered manually, was not deposited in a timely manner, or the data set required for the best
interchange was not provided.
O
ODFI
See Originating Depository Financial Institution.
Open to buy
The amount of credit available at a given time on a cardholder's account.
Operator
A central clearing facility that provides distribution and deposit of ACH transactions. ACH
operators clear debits and credits electronically, rather manually. Currently four ACH Operators
exist: the Federal Reserve System, which clears approximately 80% of all ACH transactions,
Visanet ACH, New York ACH, and American ACH.
Original Draft
The original copy of the forms and signatures used in the transaction. Also referred to as the hard
copy.
Originating Depository Financial Institution
A financial institution that initiates and warrants electronic payments through the ACH network on
behalf of its customers.
Originator
A company or other business entity that creates entries for introduction into the ACH network. For
example, a billing company produces debit entries from customers' financial institution accounts
who have authorized direct payment for products and services.
P
PAN
See Primary Account Number.
PIN
Personal Identification Number used by a cardholder to authenticate card ownership for ATM or
debit card transactions. The cardholder enters his/her PIN into a keypad. The PIN is required to
complete an ATM/debit card transaction.
Point Of Sale
The place and time at which a transaction occurs. Point of Sale (POS) also refers to the devices
or software used to capture transactions.
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