| subhub | | boolean | YES | | NULL | |
| hub-verify | | varchar(255) | YES | | NULL | |
| protocol | Protocol of the contact | char(4) | YES | | NULL | |
| subhub | | boolean | YES | | NULL | |
| hub-verify | | varchar(255) | YES | | NULL | |
| protocol | Protocol of the contact | char(4) | YES | | NULL | |