Ejoin ACOM664 - USSD Command

SMS Gateway User Manual
Shenzhen Ejoin Technology Co.,Ltd. 22
Figure 3.3.8-2 Command Operations
Items
Description
Select port
Select port to do command operations.
Manually call
Check the SIM can send a call or not.
AT Command
AT command to check SIM status.
USSD command
It’s for querying balance, number and recharge etc.
SIM status
Display the SIM status.
Content
The response after sending USSD/AT command.
Table 3.3.8-1 Command Operations
3.3.9 USSD Command
USSD Auto Send
USSD command send automatically by the conditions below, Drop means drop the current
call after call duration time reached.