Call centre does not answer calls, neither to they respond to queries via email

I called Momentum Health this morning to resolve a rejected claim for which pre-authorisation was obtained. My email to Momentum regarding the claim has not been answered in two days, except the automated email reply stating that they have received my email and will attend to it.

After staying on the line for more than 40 minutes I eventually hang up. I have received better service from Telkom and other notorious call centres. Really did not expect this lack of service from a private healthcare institution.