Demands for payment on ******* billing, No Invoice , No explanation, No Escalation !!!

UPDATE TO HELLOPETER VODACOM E CUSTOMER SERVICE PERSON _ READ THIS BEFORE YOU POST ANOTHER GENERIC RESPONSE ! Email from Vodacom Today 23 May in response to another request for a legal invoice and explanation: Dear Dr ***XX Thank you for the email I have forwarded the invoice for the month of April and May to : ***X Please be advised the billing is generated from the 3rd of the month till the 3rd. for example 3rd April till 3rd May. The insurance is for screen cover. Please be advised the billing is generated from the 3rd of the month till the 3rd. for example 3rd April till 3rd May. The insurance is for screen cover. Regards, Tulile Dinabantu MY EMAIL RESPONSE TO VODACOM 23 May 2016 1. SCREEN INSURANCE : I did not sign up to pay for screen insurance!!! SCREEN INSURANCE WAS OFFERED FREE TO ALL NEW CONTRACTS IN APRIL 2016 You have billed me *******ly!!!!! See attached email from you (attached email from Cashandra Grosch of 18 May Dear Dr *** Thank you for your email. Please be advised that a credit has been requested with regards to the insurance that was charged on your line. Once this credit has been passed you will be notified thereof. We apologies for any inconvenience caused. Regards, Cashandra Grosch YOU ARE SUPPOSED TO CANCEL THIS AMOUNT !! 2. RE Bill from 3rd April to 3rd May THIS CONTRACT WAS ONLY SIGNED ON 26 APRIL 2016 HOW CAN YOU BILL ME FOR A FROM THE 3rd of APRIL ? CORRECT YOUR BILLING AND SUBMIT ME AN INVOICE WITH WHAT I ACTUALLY OWE YOU ARE BILLING ME *******LY AND DEMANDING PAYMENT