Telephone line

https://www.wikidata.org/wiki/Q1373572

Field Hierarchy

Parent
Computer science 61.9M papers	Engineering 25M papers	Electrical engineering 4.8M papers	Telecommunications 4.5M papers
Computer network 2.4M papers	Telephony 9,524 papers	Telephone network 4,497 papers	Signal 28 papers
Current
Telephone line 4,168 papers
Child
Telephone exchange 1,316 papers	Mobile radio telephone 1,197 papers	Softswitch 963 papers

Trends

Notes

History