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A Zoom Data Centers
Connectivity to the Zoom Phone System signaling via Fully Qualified Domain Names (FQDN) depends
on the geographical location of the customer SBC(s) and the corresponding Zoom Data Center that
the customer would like to send and receive traffic. Zoom Phone Cloud System options are currently
available in four separate regions across the globe: North America, Europe, APAC and Australia.
Table 19: Regional instances resolve to the following IP addresses