********** account linked to my account

my husband has account for data with Telkom, September 2018 a ********** account was opened in cape town with his name we only find out month end the debit of 1500 went off his account which we reversed advice Telkom of this debit order that we didn't authorize, they have requested affidavit , proof of resident and bank statement after that they continue to debit the same amount that we didn't authorize and we reverse with our bank, now recently they have closed our line with no communication we went to the store at east rand mall we were told we are owing two month where we were reversing the payment, we didn't receive any call for collection, can Telkom please open our line as this was not our fault that they didn't collect the right amount can I please request someone call me from Telkom to call me ASAP , please open my account as this is not my fault.