I dont get my 50mins to all networks

I upgraded in October 2017 - the lady at the store handed me a booklet to choose a new phone - I saw the Huawei P8 lite 2017 and it came with: free whatsapp, 500md data, free telkom to telkom and 50 min all network time x24 months. Since day 1 I was unable to make calls to any other network besides Telkom. I called every other week to follow up on the remedy but still none. Its been +3 months and still Im unable to make any calls. Call centre agents are friendly but useless, they cant expedite my query, The Telkom store (where i purchased the phone) cant help me as well. It feels like they just take your business and thats it! No real support for any issues you may have after that. I will never take another contract with them again.