Hi,

Do I see correctly in the code that SEMS doesn't support reINVITEs without SDP 
currently? Is there any plan to add this?
Also, upon receiving such reINVITE, SEMS stops the session and sends BYE, 
which - if I interpret the RFC correctly - is wrong:

https://wiki.tools.ietf.org/html/rfc3261#section-14.2
"If the new session description is not acceptable, the UAS can reject it by 
returning a 488 (Not Acceptable Here) response for the re-INVITE."

No word about terminating the session in the UAS part.

in the UAC part:
https://wiki.tools.ietf.org/html/rfc3261#section-14.1
"If a UA receives a non-2xx final response to a re-INVITE, the session
   parameters MUST remain unchanged, as if no re-INVITE had been issued."


So I'm not sure if it's bug or not, but usually I would prefer to SEMS to keep 
the session as if nothing happened.

Any comments?

TIA

br

Szo
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