Unfair treatment by Vodacom

My Vodacom contract was due for upgrade in October/November 2021. I went to the Vodacom shop in Southgate near Checkers. I asked for a package that was on black Friday promotion with unlimited voice calls. The consultant gave me an Red VIP unlimited package. She assured me that this was the best package as i wont finish the voice airtime. I was not explained what unlimited meant and i took the meaning literally. On my previous contract i used to make calls outside SA by topping up prepaid airtime. After getting this new package on my previous line, i made a call outside SA using my top up airtime. There after i continued calling assuming this unlimited package was allowing me to call outside the country. To my surprise i got a bill of R7200 from my normal bill of less than R1500. I queried this through the Southgate Vodacom shop. They informed me that the greater part of the bill of over R4200 was from international roaming. They logged a query with reference number NBSP: 1-***. I got a call from Vodacom Consultant saying i was making international calls whilst i was outside the country. I told them that i never went outside South Africa. She told me that i still have to pay the bill because the calls were coming from my number. I asked her who activated the roaming profile without my consent but i was not answered. They deactivated the roaming profile now on my account, which is fine but only after this expense. I asked for the issue to be escalated but she said she is the final arbiter. She closed the query. I have tried to reopen the query four times now but each time this lady sees the reopened query she closes it without communicating with me. I paid the bill of over R7200 in protest. As a Vodacom customer of over 10 years i feel cheated by the service provider that i used to trust and prefer. This ************ly made money from me by not disclosing this roaming profile on a personal phone. It's not sustainable as an individual to pay such a huge bill. Vodacom also failed to disclose the unlimitedness of this contract. To me now it's a limited contract that has proven to be more costly than i thought. Also i feel it's really unfair to close out a customer without giving a satisfactory explanation. The lady bul**** me to accept the bill and denied me the chance to take this further. I feel cheated and illtreated by Vodacom on this one.