10. if current <dcs> (see +CSMP) indicates that
GSM03.38/23.038 default alphabet is used and current <fo>
(see +CSMP) indicates that 3GPP TS 03.40/23.040 TP-User-
Data-Header-Indication is not set, then ME/TA converts the
entered text into GSM alphabet, according to 3GPP TS
27.005, Annex A; backspace can be used to delete last
character and carriage returns can be used..
11. if current <dcs> (see +CSMP) indicates that 8-bit or UCS2
data coding scheme is used or current <fo> (see +CSMP)
indicates that 3GPP TS 23.040 TP-User-Data-Header-
Indication is set, the entered text should consist of two IRA
character long hexadecimal numbers which ME/TA
converts into 8-bit octet (e.g. the 'asterisk' will be entered
as 2A (IRA50 and IRA65) and this will be converted to an
octet with integer value 0x2A)
The command waits for the specified number of bytes.
To write the message issue Ctrl-Z char (0x1A hex). To exit without
writing the message issue ESC char (0x1B hex).
destination address, string type
represented in the currently selected
character set (see +CSCS).