| 1. | Integrated services digital network , isdn
整合性服务数字网络 |
| 2. | Isdn integrated service digital network
综合服务数字网络 |
| 3. | Integrated service digital network isdn
整体服务数字网络 |
| 4. | Integrated services digital network
整体服务数字网络 |
| 5. | Integrated service digital network
整体服务数字网络 |
| 6. | Isp : internet service provider
综合服务数字网络 |
| 7. | Isdn . telecommunications - integrated services digital network - call hold supplementary service
电信.综合服务数字网络 |
| 8. | Isdn . telecommunications - integrated services digital network - call waiting supplementary service
电信.综合服务数字网络 |
| 9. | Isdn . telecommunications - integrated services digital network management - primary rate physical layer
电信.综合服务数字网络 |
| 10. | Isdn . telecommunications - integrated services digital network - conference calling supplementary service
电信.综合服务数字网络 |
