Upset frustrated and need urgent assistance

Today i called the call centre to find out what my outstanding balance is i was provided with an amount and told to pay 1029 monthly to clear the arrears over 7 months i was also advised to call after the first payment for my service to be reconnected of which i did exactly that, after i paid 1030 i called in and was not advised that my service cannot be connected unless i pay 2800 because i have previously defaulted on an arrangement, i am soooo upset because i was given a call reference as well as an escalation reference to confirm that all would be in order once i have made the first payment, i am trying to clear arrears by putting this arrangement in place but now i am not being helped i am extremely upset at the service that i received all that i want is a solid arrangement to clear the outstanding and to have my service reconnected while i am paying off what is outstanding i ,made the payment of 1030 in good faith because i was assured that all is in order please assist