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Telephones:
In the phone cards there are 2 very different types of cards,
cards for the mobile telephony, (by one hand we have a chip
card inside the telephone which contains information related
with their mobile line as the number, operator, rates, etc...,
on the other hand we have the prepay cards which allows increasing
the balance in the mobiles that use this types of prepay services,
the prepay card is a laminate normal card that takes a protected
code by a scratch-off layer). The second most used type of cards
are those for the standard fixed telephony and has a similar
function to the mobile telephony, it is a prepay card that allows
the user to use the service of fixed telephony of certain operator
and for a preset balance., it is a laminate card with scratch-off
panel.
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