# RFC 3608: Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration

> request for comments publication

**Wikidata**: [Q47317722](https://www.wikidata.org/wiki/Q47317722)  
**Source**: https://4ort.xyz/entity/rfc-3608-session-initiation-protocol-sip-extension-header-field-for-service-route-discovery-during-registration


## References

1. RFC Index
2. DBLP Dataset 2021-01-02