The BSDB allows subscribers to store call processing instructions,data-management procedures and any other information relevant only to their own private network which can be linked around the country.

• BSDB 允许用户存储呼叫处理指令、数据管理过程和只与其自己私有网络相关的任意其他相关信息，可以在全国链路连接这些信息。