SimCom SIM7500 Series At Command Manual page 240

Defined values
<cmd_id>
21 – display text
22 – get inkey
23 – get input
24 – select item
25 – set up menu
<prio>
Priority of display text
0 – Normal priority
1 – High priority
<clear_mode>
0 – Clear after a delay
1 – Clear by user
<text_len>
Length of text
<rsp_format>
0 – SMS default alphabet
1 – YES or NO
2 – numerical only
3 – UCS2
<help>
0 – Help unavailable
1 – Help available
<max_len>
Maximum length of input
SIM7500_SIM7600 Series_AT Command Manual_V1.07
If <cmd_id>=23:
+STGI:23,<rsp_format>,<max_len>,<min_len>,<help>,<show>,<t
ext_len>,<text>
OK
If <cmd_id>=24:
+STGI:24,<help>,<softkey>,<present>,<title_len>,<title>,<item_n
um>
+STGI:24,<item_id>,<item_len>,<item_data>
[...]
OK
If <cmd_id>=25:
+STGI:25,<help>,<softkey>,<title_len>,<title>,<item_num>
+STGI:25,<item_id>,<item_len>,<item_data>
[...]
OK
Smart Machine Smart Decision
239 2017-12-25