No Response from Zoom Sales Team Regarding Subscription Purchase

I work for a corporate organization and we are trying to purchase a Zoom subscription. However, we have not been able to get a response from the Zoom sales team despite multiple attempts. They are not replying to our emails. This lack of communication is causing delays in renewing our subscription and affecting our business operations. If anyone has advice on how to get in touch with Zoom sales or alternative ways to purchase the subscription, it would be greatly appreciated.