This quest to discover XEP-0127 (Common Alerting Protocol (CAP) Over XMPP) was automagically added, to fulfill the quest at Discover XEPs. As of 2004-12-09 the status of this Informational XEP is Active. What does that even mean?! Check it out at XEP-0127: Common Alerting Protocol (CAP) Over XMPP 