No stock over a month

I'm due for an upgrade on my cellphone and have been trying to get a new device for over a month, constant reply from Telkom being that there's no stock. The closest stores to me are in Festival Mall and Greenstone, all can't provide me with their contact number to find out when they'll have stock both citing that there's no one attending to their phones, as a result I've made plenty futile and frustrating trips to their stores to enquire about stock. Their call centre also don't know who to speak to ask which branch in Gauteng has stock of either Samsung S6 or iPhone 6. Two of the contact centre agents gave me a number 10213 to call, that number has never been answered, I'm usually on hold for over an hour until the call just ends. This type of inefficiency and ineptitude is frustrating, all of my accounts with Telkom that I spend thousands of rands on are to expire this year, I'm provided with little reason to continue giving them my business.