Discovery Bad Service

I phoned Discovery and asked to speak to a supervisor due to a recurring problem with claims. Was kept on hold for approx. 20-25 minutes by agent Phiwo. She said all supervisors were busy and could not take my call!! She gave me a reference number and promised to call me back when one of the supervisors were available. I followed this up with an email to Mr Mujeeb Bray (Head of Service) to question the fact that there were no supervisors available to take a call in TWENTY MINUTES.<br> Of course I never received a call back from Phiwo and the Head of Service did not acknowledge my email.<br> Very bad service.