Telkom pathetic service

Good day.. I have a telkom landline contract for many years.. we were thrn moved to a wireless land line due to all the faults and cable theft.. however at this present moment my phone battery has died I am unable to use my phone even though I am being charged monthly for thr contract.. I have been to telkom at the glen of which they told me they don't sell parts and don't have any phones for thr past 4 months.. I co tasted the call centre who told me to go back to the stores and find one that has stock I mean really.. I asked so if I cancel my co tract and reapply would I receive a new phone she said yes.. but currently I need to find a store and purchase one at a cost from 800r to 1600r.. does that make sense.. is it my fault that the telkom phone has a battery that is outdated and non existent.. I feel I have been let down by telkom and the service is really bad. Nobody wants to assist and I have just been pushed from pillar to post..