POOR SERVICE (PROMISES NOT DELIVERED)

I CHANGED MY PHONE AND I AM USING A BLACKBERRY AND I CANNOT ACTIVATE BIS MANUALLY AS I HAVE A OPEN CONTRACT, I REQUESTED MTN TO ACTIVATE. I HAVE BEEN STRUGGLING TO GET THROUGH TO THEM SINCE SATURDAY 20/06/2015, I EVENTUALLY GOT THROUGH ON SUNDAY 21/06/2015, I SPOKE TO a Carmen Robyn Wentzel. SHE SAID I NEED TP COMPLETE A FORM I NEED TO TO ACTIVATE THE BIS WHICH SHE EMAILED TO ME, I FILLED IN THE FORM THE NEXT DAY (MONDAY) AND EMAILED IT BACK TO HER, SHE RESPONDED ABOUT AN HOUR LADY STATING I SHOULD GIVE 2-24 HOURS FOR IT TO WORK.THE NEXT DAY LATE AFTERNOON IT WAS STILL NOT DONE I HAVE SINCE SENT HER COUNTLESS EMAILS ON WHICH SHE IS NOT RESPONDING. I THEN PHONED AGAIN LATER AFTERNOON TUESDAY 23/06/2016 AND SPOKE TO ANOTHER CONSULTANT WHO SAID IT WAS ACTIVATED BUT IT FAILS ON THE NETWORK, SHE TRIED TO ACTIVATE IT AGAIN BUT IT FAILED.SINCE THEN I HAVE BEEN PHONING EVERYDAY & I AM TOLD IT WILL ACTIVATE CLOSE OF BUSINESS THAT DAY STILL NOT DONE. NOW TODAY I PHONE THEM 3 TIMES AND SUDDENLY NOW ITS 3-5 WORKING DAYS & THE AGENT REFUSED TO GET ME THE MANAGER/SUPERVISOR & I WAS TOLD THEY WILL TELL ME THE SAME THING, ALL MY CALLS LASTED OVER AND HOUR. I AM SO DISGUSTED!! PLEASE RESOLVE!!!!