POOR CUSTOMER SERVICE

Dear MTN I HAVE BEEN VERY PATIENT AND A LOYAL CLIENT SINCE I HAVE PORTED BY NUMBER TO MTN.NOW I AN UNABLE TO MAKE CALLS OF SENT SMS FOR ALMOST SIX MONTHS .I AM TIRED OF CALLING YOUR CALL CENTER TO BE TOLD THAT THEY WILL EXCALATE THE MATTER AND IT WILL BE SORTED IN 3 DAYS .ONLY TO RECEIVE NO HELP OR FEEDBACK.FIX THIS SO THAT I CAN PORT MY NUMBER TO ANOTHER NETWORK.CLEARLY YOU DONT NEED ANY BUSINESS MXM.MY NUMBER IS ***