Circuit Group Monitor Message GRM
automatic message switching
automatic message routing
automatic message registering
automatic message processng center
automatic message processing system
automatic message handling system
automatic message exchange system
automatic message distribution system
automatic message counting
automatic message address routing system
automatic message accounting transverter
automatic message accounting
automatic digital message switching center
自动数字电文交换中心
自动数字讯息交换中心
自动数字报文转换中心
automatic digital message switch
automatic communication and message processing system
automated communications and message processing system