CELL C NETWORK ISSUE

hi , i have a problem with CELL C number , i can not receive calls ,it doesnt seem to be the device. i tried the sim card in another device,also doesnt receive calls .from the 25/09/2021 i was not receiving calls ,i phone cellc spoke to Blessing 27/09/2021he adviced me to dial ##002# and restart my phone it did not work ,i spoke to Phandi who was very rude could not assist ,i was transffered to Phumla technical department who hang up FAILD TO ASSIT. spoke to Heziel FAILED TO assist. I spoke to ALLY from technical department told me she will activate my the call barring on her side ,,i must restart my phone and test it REF number :*** ,, i still cant receive calls . I phone again they told me they will escalate the call TURN AROUND TIME 24-48HRS,,, im really frustrated ,, im using these number to run my business, CELL C ITS USELES NETWORK ,THEY GIVE FALSE INFORMATION TO CLIENTS .

IVE BEEN NOT RECEIVING CALL FOR THE PASS DAYS.