Complaint for standardbank insurance

I took a policy for my family on standard bank on June 2017 over the phone for my family and my mother and they told me about 6 months waiting period , my mother passed away on the 4th of february i submitted the claim on the 8th and then i recieved a call from them saying that the reject the claim because the waiting is 12 months for my mother which is i was not aware of that I did request a call recording and i am not getting any response from them ,on the 23 of February i went to the branch again kuils river branch for voice recording they promised me that they gonna send monday until today i have not recieved any kind of communication which is very bad for me as a client