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@@ -311,6 +311,15 @@ modparam("dialog", "dlg_extra_hdrs", "Hint: credit expired\r\n")
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elements (as in RFC 3261).
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</para>
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<para>
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+ Note: DID-based matching does not replace callid/fromtag/totag comparison. It will speed
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+ up dialog matching by not iterating over the whole dialog list for callid/fromtag/totag comparison, but
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+ instead it uses a hash table to find the respective dialog and then doing only one callid/fromtag/totag
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+ comparison. Thus, there is no security
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+ issue when using DID based matching. Use DID_FALLBACK for maximum interoperability or use DID_ONLY to
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+ reject buggy clients or hacking attempts. DID_NONE is only useful, when you want to hide dialog-tracking
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+ from the users (preventing the DID Record-Route cookie).
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+ </para>
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+ <para>
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The supported modes are:
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</para>
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<itemizedlist>
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Klaus Darilion