The format of the text is determined by
<text_format>.
When the text format is selected, SMS and IP
Content as a string of 8bit ASCII text
characters. Max 160 chars.
When the binary format is selected, every 8-
bit octet of the message must be written as
two IRA character long hexadecimal
numbers, e.g. an octet with integer value
30(I.e. 0x1E) must be written as a string of
two characters "1E" (IRA 49 and 69) it must
enter an uppercase letter.
numeric parameter which specifies a particular
PDP context definition (see +CGDCONT
command); The value of max is returned by the
Test command.