Cancellation on the expired contract

my contract had expired on the 31/05/2015 and have battling to cancel the services as their line have been down or busy. Am gatvol with this service, Definitely am porting my number to another network provider. Cant stand this horrible service.<br> <br> and also i have another contract to expire on next month. Would someone please give call or working contact details , that works. I don't want to hold online for more than an hour.<br> <br> <br> Kind Regards<br> Cynthia