SMS api [http://www.vfirst.com] jargon made simple:

Short Code - It is typically a 4 digit number which is accessible by
subscribers of any mobile operator. Used where the recall value is
important. Used for encouraging pull from the consumers. Is expensive
than the long code.

Long code - A usual mobile number (maybe real or virtual) - works
across all operators but cheaper than the Short Code. Has lower recall
but potential for high usage in a closed user environment e.g. to
interact with members of a loyalty card scheme.

Some examples of sms api [http://www.vfirst.com] can help you run a

Text Voting:
Voting is an exciting way to engage your audience and let them have
their say. Newspapers, magazine and television are prime examples.
Indian Idols is a great success story.

Instant Win:
Through print/radio, you can invite consumers to interact with you
where they are offered an opportunity of an instant win.

Timed Vouchers:
You can send reward vouchers as text messages to consumers to increase
the footfall.

Feedback collection:
Using our technology, you can invite consumers to provide feedback/
opinion through a text message.

For more information about the sms api Login: http://www.vfirst.com/sms-mobile-marketing.php