Direct Axis Collection Department AWOL

I have received a sms stating the debit order date for December will be 15th whilst my salary only comes through on 22nd. I have been trying to reach Direct Axis through the number provided, through their call centre, through other numbers given that does not exist, I have written emails, holding on for more than 11 minutes each time , 4 times yesterday, 5 times today without being able to speak with the correct people. 3 consultants in customer care that answered the calls told me they will transfer me to the correct department, no matter how long you hold on you can not speak to any one in collections. I am so frustrated, I do not know how to get this resolved if I can not speak to them.