[jdev] Entity Capabilities for JEP-0085

[Jon Perlow]

In JEP-0085 (Chat State Notifications) section 4.1, it says

In the absence of explicit negotiation of a one-to-one chat session between
a User and Contact (e.g., as specified in Chat Session Negotiation
[5<http://www.jabber.org/jeps/jep-0085.html#nt-id2256594>])
or explicit discovery by the User of the Contact's capabilities (e.g., as
gained through Service Discovery
[6<http://www.jabber.org/jeps/jep-0085.html#nt-id2256618>]
or Entity Capabilities
[7<http://www.jabber.org/jeps/jep-0085.html#nt-id2256609>]),
the following business rules apply to the use of chat state notifications in
the context of one-to-one chat sessions:


Is there a specific service discovery feature that a client can check
through service discovery and entity capabilites to see if the other client
supports the chat state feature? This way, a client could send typing
notifications before the other side has responded if it knows it support the
feature. I didn't see any such feature specified in the JEP.

-Jon
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