On Vonage Business Communications' Privacy Page you can request and collect all the privacy and GDPR related information that Vonage Business Communications is providing.
The privacy policy by is a legal document or statement that discloses how Vonage Business Communications gathers, uses, discloses, and manges their customers' data.
The basis for Vonage sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.