# Session Initiation Protocol

> voice-over-IP communications protocol

**Wikidata**: [Q191018](https://www.wikidata.org/wiki/Q191018)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)  
**Source**: https://4ort.xyz/entity/session-initiation-protocol


## References

1. RFC 3261: SIP: Session Initiation Protocol
2. [Source](https://weare.cisco.com/c/r/weare/amazing-stories/amazing-people/jonathan-rosenberg.html)
3. [Source](http://www.jdrosen.net/about-me.html)
4. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
5. Freebase Data Dumps. 2013
6. Quora
7. National Library of Israel
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)