You received a text and a threatening voicemail from an angry customer who wants to immediately discuss the shortcomings

[answerhappygod]

You received a text and a threatening voicemail from an angry customer who wants to immediately discuss the shortcomings of a recently released product. You are about to walk into a mandatory meeting with your top-level leadership team. Which of the following is your best course of action?

A. Continue to send text messages to the customer hoping to smooth things over until you can call him on the phone after your meeting.
B. Request that the customer send his complaints by e-mail, knowing that any inappropriate communication will be well documented.
C. Do not respond to the customer.
D. Skip the meeting and call the customer.