Cited in: RFC 4481
5 RFCs mentioned in the text of RFC 4481 (Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals)
| RFC | Title | Status | Date |
|---|---|---|---|
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 2778 | A Model for Presence and Instant Messaging | Informational | February 2000 |
| 3688 | The IETF XML Registry | Best Current Practice | January 2004 |
| 4119 | A Presence-based GEOPRIV Location Object Format | Proposed Standard | December 2005 |
| 4480 | RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF) | Proposed Standard | July 2006 |