# public switched telephone network

> aggregate of all circuit-switched telephone networks

**Wikidata**: [Q243961](https://www.wikidata.org/wiki/Q243961)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Public_switched_telephone_network)  
**Source**: https://4ort.xyz/entity/public-switched-telephone-network


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)