Remote Address Book Server Address

You can specify the IP address or the host name for a Remote Address Book Server with a remote address book that is opened externally. You can register the IPv4 (Internet Protocol Version 4) address and IPv6 (Internet Protocol Version 6) address.
Press (Settings/Registration).
Press [Set Destination] → [Acquire Remote Address Book] → [Remote Address Book Server Address].
Enter the host name or the IP address → press [OK].
A host name is a name assigned to a host computer that provides services on the network.