Fibre maintenance nightmare

There was a maintenance outage from 09/02/2026 until the 13/02/2026 my fibre is still off i have spent copius amounts of time and money trying to get feedback from them without any assistance,just excuses and logged ticke tickets,my latest being ***4 my isp told me that vumatel must have crossed the line and that someone else is using my fibre,i have been sitting without a internet connection and i have urgent presentations due,but vumatel couldnt give a damn,who will fit the bill at the end of the month when the debit order goes off,not a call back not a apology absolutely pathetic service.