An SMS can contain a maximum of 160 characters (each of 7 bits = 1,120 bits). These are made up of the GSM basic character set (total of 128 characters) as well as selected characters from the extended GSM character set. Although the extended character set allows the use of some additional characters, these take up twice the space and correspondingly reduce the maximum number of characters that the SMS can contain. Characters not implemented in the SMS module are ignored by the device.
The following characters are defined in the GSM basic character set:
Note: "SP" in the overview refers to the space character. "LF", "CR" and "ESC" refer to the control characters for the line feed, the carriage return and the escape in the extended GSM character set.
The following characters are implemented from the extended GSM character set:
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