ETSI PRI-ETS 300 131-1990 无线电设备和系统的用于无绳电话设备(包括公共接入业务)之间互通的第二代无绳电话的通用空中接口规范
Radio Equipment and Systems Second Generation Cordless Telephones Common Air Interface Specification to Be Used for the Interworking between Cordless Telephone Apparatus Including Public Access Services