Expand the entire 9CBS universal.
Limit mechanism
1. Total limitations, such as the default user can only save 50 short messages, if the user stores short messages more than 50, the system will automatically set the old short message, in order to avoid important short message loss, the system will Send the cleared short message to your registration email.
2. If you want to improve the short message default saver, you need to expand by using an extended short message card.
