June 2007
Beginner
72 pages
1h 49m
English
Content preview from How to Build an SMS ServiceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Types of SMS Service
In some ways, SMS is just an input/output protocol for an application. A quick survey of existing applications can help frame what types of requirements your service may generate. While this list is far from exhaustive, it is useful to recognize five basic categories, which we'll explore in the following sections: notification, lookup, messaging and social networking, action and what we call, for want of a better term, art.
Notification
Notification is the simplest type of SMS service: you sign-up to receive a message on your phone when some event occurs (i.e., not in response to a proximal user action). For example:
Microsoft's Windows Live Alerts sends stock quotes, traffic updates, horoscopes, and more via SMS.
Google's Calendar service sends reminders for events via SMS.
University of Amsterdam sends students their exam results via SMS.
While these types of services tend to be "set and forget," they can also be interactive. While there is no response required when receiving a weather report via SMS, but a stock quote received via SMS could engender a "sell" reply and a resulting action on your behalf.
Notification services tend to be the easiest to create. As we will show in later sections, any of the implementations of SMS service will lend itself to a notification service.
Lookup
In a lookup service, the user initiates the SMS conversation. For example:
Send "Define <word>" to 46645 (GOOGL) or 95482 (WLIVE) and you will receive an SMS response with the word's definition. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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