Temporarily updated on June 16, 2021, Wednesday

I called twice again today. The same kind of non-responsiveness from choice "1" for "report number" or choice "0" for an operator. 
BTW, my phone communication suffers more restrictions or surveillance. For example, when I place a call out, the phone seems to dial silently for tens of seconds, and then the screen may show "normal call restricted by access control", or the phone immediately shows "cellular network not available."