service signal 服务信号 ; 业务信号
line-out-of-service signal 线路不能服务信号
datagram service signal 数据报服务信号 ; 资料报服务信号
general service signal [通信] 通用业务信号
service signal failure 服务信号失效
class of service signal [通信] 业务类别信号
line-out-of-service signal los 线路不能服务信号
Service Signal Failure SSF 服务信号失效
service check signal 维修检示信号 ; 维修检示旌旗灯号 ; 维修检测信号
None of the failures seemed to signal an immediate danger, so the Thales AA was not removed from service.
这些故障似乎都没有显示出迫在眉睫的危险，所以泰勒斯 AA 型飞机并没有停止服役。
CSCF handles SIP registration of the end points and process SIP signal messaging of the appropriate application server in the service layer.
CSCF负责端点的SIP注册，并处理服务层中恰当应用服务器的SIP信号消息传递。
The concept of network control was extended to let digital switches communicate with databases (known as Service Control Points) and signal processing systems (Intelligent Peripherals).
网络控制的概念被扩展到了让数字交换机与数据库（称为服务控制点）和信号处理系统（智能外设）通信。
应用推荐