Voice CEO Salah Zalatimo recently stated that Voice has partnered with Circle as payment processors. They are also looking for a method to allow payments through EOS as well.
Circle is a payment processor that allows businesses to receive and send payments in stable coins. Circle payments are made using the multichain stable coin USD Coin (USDC). Circle allows payments on Ethereum, Algorand, Solana, Stellar and TRON, so there are no mentions for EOS. Salah thus pointed out that they are actively looking for an additional payment processor that can handle EOS payments, but they are having quite a few problems.
"Voice has partnered with Circle as our payment processor. One of the ways you can fund your Voice account is with their multichain USDC. We are working to add EOS to that ecosystem and working to find a payment processor who can handles EOS payments."