References
The following specs are used for the articles in my blog:
SMS specification |
Describes the PDUs for PDU mode. It also contains details on combining SMS messages and EMS. |
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GSM-7 Character set and Data Coding Scheme |
Contains the details on how to code text in SMS PDUs. It also explains the Data Coding Scheme used to create special messages (like flash messages). |
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AT commands for GSM modems
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Explains the many AT commands that can be used to manage a GSM modem |
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AT commands sending SMS though GSM modems |
Explains the different AT commands that can be used for sending and receiving SMS messages |
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WAP specifications |
Contains references to all WAP specifications |
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WDP (Wireless Datagram Protocol) |
This explains how WAP PDUs are mapped on SMS messages |
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WSP (Wireless Session Protocol) |
This contains details on how to encode headers used in WAP push over SMS |
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Push OTA |
How to perform a ‘connectionless push’, which is used in WAP push over SMS. |
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WBXML (Wireless Binary XML format) |
This explains the mechanism used to encode XML documents (like SI and SL) |
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Service Indication |
This describes the SI variant of WAP push |
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Service Load |
This describes the SL variant of WAP push |
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Nokia Over the Air Settings |
Used to send bookmarks and configuration. This is a Nokia document, but in general these features are also supported by Sony Ericsson. |






