In my case, there is a application service in terminating side doing
So when the service receives an Invite it replies 200OK response
immiediately and then it create a new Invite to the user.
Since scscf invalidated the AS chain when it receives 200OK response the
Invite request is matched with iFC again from the beginning instead just
match with the rest iFCs. So it fail to send to the user.
Is it a bug?
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