4IPNET HSG260 User Manual page 161

2. Payments via PayPal
To configure Payments via PayPal, go to:
User >> Authentication >> On-demand User >> External Payment Gateway >> PayPal.
Before setting up "PayPal", it is required that the hotspot owners have a valid PayPal "Business Account".
After opening a PayPal Business Account, the hotspot owners should find the "Identity Token" of this PayPal
account to continue with "PayPal Payment Page Configuration".
 External Payment Gateway / PayPal Payment Page Configuration
Business Account: The "Login ID" (an email address) associated with the PayPal Business Account.
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Payment Gateway URL: The default website address to post all transaction data.
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Identity Token: This is the key used by PayPal to validate all the transactions.
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IPN behind NAT: IPN is the acronym of Instant Payment Notification which is a mechanism adopted by
PayPal for identifying the outcome of a transaction. When this option is enabled, an upstream NAT
server may be designated for accepting the IPN message from PayPal. This is a mandatory
configuration item if the WAN IP of your gateway in not a public IP address, corresponding NAT
translation configurations are necessary.
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Verify SSL Certificate: This is to help protect the system from accessing a website other than PayPal
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Currency: The currency to be used for payment transaction.
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Show Account Postfix: Enabling this feature allows the postfix to be shown on the receipt for easy
reference.
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User's Manual