Comment #1 on issue 247 by [email protected]: mobicents does not handle
doAck properly when security is enabled
http://code.google.com/p/sipservlets/issues/detail?id=247
In the past few days I've investigated a little bit more and I found out
that the issue come from SipUnit. In fact SipUnit add the tag in the To
header of the second INVITE, which is wrong.
Anyway, based on the Sip Servlet 1.1 Spec, Appendix B, mobicents should
answer with a 481 error:
"Existing Dialog Detection - If the request has a tag in the To header
field, the container
computes the dialog identifier (as specified in section 12 of RFC 3261)
corresponding to the
request and compares it with existing dialogs. If it matches an existing
dialog, stop. The
request is not an initial request. The request is a subsequent request and
must be routed to the
application path associated with the existing dialog. If the request has a
tag in the To header
field, but the dialog identifier does not match any existing dialogs, the
container must reject
the request with a 481 (Call/Transaction Does Not Exist)."
Am I wrong?
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