KS X 4449-2000 标准详情
- 标准号：KS X 4449-2000
- 中文标题：通信和系统信息交换.私营综合通信网.信号交换协议.呼叫电话辅助服务
- 英文标题：Information technology－Telecommunications and information exchange between systems－Private Integrated Services Network－Inter-exchangesignalling protocol －Call transfer supplementary service
- 标准类别：韩国KS
- 发布日期：
