Threatening to close account

I received a call from the number +27510 the MD of Standard and told me that they will close my account. <br> the MD firstly didnt want to listen to what i was saying to them as the were busy shouting in the mouth piece <br> i advised them to not shout and speak properly they advised me that they shall close my account.<br> <br> the call was at 12:23 on the 24/04/2015 Friday