Call alerts – definition. The mobile phone can alert you of events such as an incoming call or an incoming message in a number of ways. The two most popular ones are vibration and ringing.
While vibration is pretty much self-explanatory, the ringing alerts can be of several types depending on the mobile phone.
In the past mobile phones used to allow only monophonic tones to be set as ringing alerts. With the advancement of technology, polyphonic ringtones also became supported.
Later on as mobile phones further evolved, they started using MP3 tones for various alert purposes. As more (presumably superior) audio formats became available (such as AAC), they were also added to the mobile phones’ alert system.
Recently, mobile phones have even started to use short video clips as call alerts (not to be confused with video calls).
No matter what kind of ringing tones the mobile phone uses, users have always enjoyed customizing their ringtones by expanding the preset ones supplied by the manufacturer.
Alert messaging (or alert notification) is machine-to-person communication that is important or time sensitive. An alert may be a calendar reminder or a notification of a new message.
Alert messaging emerged from the study of personal information management (PIM), the science of discovering how people perform certain tasks to acquire, organize, maintain, retrieve and use information relevant to them. Alert notification is a natural evolution of the concept of RSS which makes it possible for people to keep up with web sites in an automated manner. Alerting makes it possible for people to keep up with the information that matters most to them.
Alerts are typically delivered through a notification system and the most common application of the service is machine-to-person communication. Very basic services provide notification services via email or SMS. More advanced systems (for example AOL) provides users with the choice of selecting a preferred delivery channel such as e-mail, Short Message Service (SMS), instant messaging (IM), via voice through voice portals, desktop alerts and more. Novel approaches provide users with the ability to schedule their own alerts (for example Google Calendar). The most sophisticated service providers embrace all capabilities, aggregating a multitude of reminder, notifications and alert, catering the delivery system to the specific context of the content being delivered thus enabling users to create sophisticated scenarios.
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