We have experienced very much similar night mares with TWC. For 6 months they were not able to correct the invoices even though we have had x amount of phone conversations with them (supervisors included). They claimed that they never received payments for 3 months even though we provided evidence thru our bank which confirmed that all bills had been paid. We even wrote a letter to the VP of service, but never received a reply, they just ignored us totally.
Will never go into business with them again.
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