Shocking service telkom!!

I cancelled telkom fibre withtelkom end of May 2020, to effect cancellation end of June 2020. I have signed on with vox, but they say telkom have STILL NOT RELEASED THE ACCOUNT/LINE????? Vox need telkom to release it so that they can install at my house?! What is wrong with telkom?????? Release my line PLEASE!!! cancellation reference was B***, TIN ***and landline ***