Apple's mobile phone shares an ip with others, and everyone knows whether to send a message or make a phone call.

Ip is the only network address, so it is impossible to * * use one ip (public ip can be used * *, and the intranet needs address translation).

When you say ip, you may mean Apple ID.

So you can enjoy the address book and photos, memos, calendar reminders and so on.

However, the phone records and SMS records will not be synchronized.

hope this helps ...