Requests /Disputes ignored: Charge for non-service

At least 6 (six) attempts to resolve billing for service not rendered after contract cancellation ignored by Telkom. Includes three attempts at Call centre - last few horrible service, 3 disputes logged internet just ignored - still not reflected on system since 18 June '15 - last attempt 27Junie 11:45. Email to escalate problem also ignored. <br> Invoices 506B***6 and previous: I demand full refund for all Blackberry Mix costs since at least 22 April '15. Telkom Mix / BlackBerry Mix II (8ta part) contract CT*** tel no *** was cancelled 3 March 2015 ref no 1165 878 12A -Sylvia). Contract started 21 Apr 2013). I'm still billed for Jun '15 latest invoice 506B***6 dated 9 June '15 indicating month 26 of 24. Telkom had more than adequate notice. Telkom Call centre several times ********** service. Also at 4th attempt to resolve issue - 40 minute call waiting included - was just cut 18 June 11:10 - no reference number given.<br> 'High call volumes' excuse every time just indicate absence of management.