EC20 USSD How do tou use if

Technical Subjects Software General Function
1

I use AT comand AT+CUSD=1,**210983406747# and AT+CUSD =1,##002# AT+CUSD=2,**210983406747# and AT+CUSD =2,##002#why is it not working

2

Hi, guy, I am so sorry for replying late.

Your problem is complicated, I need to disscuss with my fellows, I will support you as soon as possible.