cancelled contract long ago but still getting bill

Hi <br> <br> I've lost count on how many e-mails I've sent regarding cancelled contract with no reply, I have been retrenched since last year November and I called in to let you guys know I will not be renewing, the cellphoone was cancelled it seems the modem and laptop am still being billed, I don't have money to call and hold all the time..I haven't used that modem since last year yet everymonth I keep geting this statement..Now is the chance to go back and check recordings on phones and e-mails etc cause am so tired of this after being a customer for so many years after being retrenched am still getting billed with something I cancelled if I am not getting any income how wil I pay, I have told them numerously since beginning of the year even when theuy called am not renewing.. <br> <br> Please assist..