RULES
1 Each phone number can only be used to pre-register once.
2 Each phone number can only be used to pre-register once.
3 Each phone number can only be used to pre-register once.
4 Each phone number can only be used to pre-register once.
5 Each phone number can only be used to pre-register once.
6 Each phone number can only be used to pre-register once.
7 Each phone number can only be used to pre-register once.