BAD SERVICE AND NON RESPONSIVE CALL CENTER

I have been calling your call center since last week requiring an upgrade. <br> I was advised that the was an active / pending service that is not making the upgrade possible which \ALLOW INTERNATIONAL DIALING\".<br> <br> Since then I have requested this service to be cancelled on my profile which I was advised has been cancelled but all to find out the problems is this existing.<br> <br> I have been calling your call center every day, promised of the problems being addressed and solved and feedback be given to me but till today nothing has happened.<br> <br> Please advised how do I go forward in order my query to be attended to and resolved.<br> "