<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
i didn't find in rfc5626 a requirement that registrar should remove 430<br>
flow contact, </blockquote><div><br></div><div>Closest I can find is:</div><div><br></div><div> "EP1 no longer has a flow to Bob, so it responds with a 430 (Flow</div><div> Failed) response. The proxy removes the stale registration and tries</div>
<div> the next binding for the same instance."</div><div><br></div></div>