# Functions
GSM7 returns a GSM 7-bit Bit Encoding.
Returns the bytes, in the given buffer, that are outside of the GSM 7-bit encoding range.
Returns the characters, in the given text, that can not be represented in GSM 7-bit encoding.
# Variables
ErrInvalidByte means that a given byte is outside of the GSM 7-bit encoding range.
ErrInvalidCharacter means a given character can not be represented in GSM 7-bit encoding.