http://developers.sun.com/mobility/midp/articles/ota/
http://www.openmobilealliance.org/technical/release_program/download_v10.aspx
http://tttt-note.blogspot.com/2009/07/ota.html
OTA via SMS optimises the configuration data updates in SIM cards and handsets and enables the distribution of new software updates to mobile phones or provisioning handsets with the necessary settings with which to access services such as WAP or MMS. OTA messaging provides remote control of mobile phones for service and subscription activation, personalization and programming of a new service for mobile operators and telco third parties.
When OTA is used to update a phone's operating firmware, it is sometimes called Firmware Over The Air (FOTA). For service settings, the technology is often known as Device Configuration.
Often, a carrier will send a broadcast SMS text message to all subscribers (or those using a particular model of phone) asking them to dial a service number to receive a software update.
In general, the term OTA implies the use of wireless mechanisms to send provisioning data or update packages for firmware or software updates to a mobile device - this is so that the user does not have to go to a store or a service center to have applications provisioned, parameters changed or firmware or software updated.
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