Vodacom dishonouring agreement

I was offered a data contract from the reward department of Vodacom. The consultant factually stipulated that I could transfer data from this data line to my other data contract numbers which I specifically confirmed with her more than once on speaker phone in the presence of two witnesses. Only to discover after activation that I could not transfer data.... I requested a recording of the conversation which is a legal verbal agreement, several quieries with several consultants and several departments and still nothing since my first request on 5 May. Why is Vodacom declining my request of the recording??? I will not cancel the contract and I want what was offered to me! I know my facts, there is a obvious difference between transfering data from one contract number to another and buying top up data..... own up to your mistake Vodacom and compensate the good paying, loyal customer, instead of just trying to get the customer to cancel the contract! To all those Vodacom consultants who informed me that Vodacom will get back to me.... honour your agreement and forward me the recording of the telephonic conversation of 29 April ....it is my legal right! Viola Golden