在您的搜尋 主題建議
在您的搜尋 主題建議
Digital telephone systems
Computer networks
12
Internet telephony
11
TCP/IP (Computer network protocol)
9
Data transmission systems
7
Automation
4
Digital communications
4
Frame relay (Data transmission)
4
Telecommunication
4
Telecommunication systems
4
Telephone systems
3
Asynchronous transfer mode
2
Internetworking (Telecommunication)
2
Modulation (Electronics)
2
Planning
2
Standards
2
Telephone switching systems, Electronic
2
Encyclopedias
1
Mobile communication systems
1
Modems
1
Reliability
1
Systems analysis
1
Telephone switching systems electronic
1
reliability
1
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