if there are multiple partitions in a CSS that have the same route pattern:
the first partition A in this CSS in fact blocked this call.
the second partition B in this CSS route this call.
so will partition A reject this call, or partition will still be looked at to route this call?
Whether a pattern is eventually blocked or not does not influence which pattern is selected.
If the patterns are identical, ie. they have the same number of possible matches, then the position of the partitions in the CSS is used to break the tie.
Since they're equally good matches, then the order of the partitions in CSS does come into play, if the 1st one says to block it then it takes precedence and the call will be blocked
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