SS7 LayersManagers routing data and verifies link functionsSupports mobility ServicesFacilities exchange of non-circuit related request to nodes or databasesSupports call setup and tear down.

• SS7 层管理路由数据和验证链路功能支持移动业务简化了对节点或数据库非电路相关的请求交换支持呼叫建立和撤消。