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Binary SMS

Binary SMS allows the sending of rich-content via text messages, such as over the air (OTA) configuration messages for Mobile Device Management (MDM) purposes.

A binary SMS message has 140 bytes of useable data. This user data can be split into two parts: the user data header and the actual data. The user data header (UDH) is used to inform mobile phones about the type of data, such as messages to be concatenated. This way SMS can be used to carry operator logos, ringtones, telephone settings and WAP-Push messages.