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Nirav Mehta

"Mobile Web Development"


Mobile Payment Forum (www.mobilepaymentforum.org) has some excellent white
papers on security and best practices for mobile payment. Going through them will
give you a concrete understanding of the threats and possible solutions for each.
We have now reviewed the different options available for mobile payment. We have
also seen how to use a WAP-based mobile payment system. Let us now turn to SMS.
How can we use SMS for mobile payment?
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Making Money via Mobile Devices
[ 150 ]
Using SMS in Mobile Payment
Almost all the wallpaper and ringtone providers are running on Premium
SMS-based payments. Even the votes we cast using SMS on a television contest are
charged higher than normal. The following figure illustrates how SMS can be used
to place an order.
There are a few important aspects of this flow.
POTR will advertise pizzas in newspapers, television, or any other media.
Along with product information, we will also put up a code.
To order, the customer has to send a message to a special number (called the
Short Code) with a message in a specific format.
The Short Code may be shared by many service providers, and hence
the message may contain a keyword that will determine that it's meant
for POTR.


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