Telephony

https://www.wikidata.org/wiki/Q944584

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
Current
Telephony 9,524 papers
Child
Telephone line 4,168 papers	Telegraphy 1,567 papers	Telephone exchange 1,316 papers	Mobile radio telephone 1,197 papers
Softswitch 963 papers

Trends

Notes

History