It all depends on what your ITSP sends you.  Try the &quot;info&quot; app to see if there is any mention of the number you are diverting from.  Pretty much everything there can be used for routing decisions.<br><br><div class="gmail_quote">
On Mon, Apr 26, 2010 at 3:49 PM, Andreas Dröscher <span dir="ltr">&lt;<a href="mailto:freeswitch@anticat.ch">freeswitch@anticat.ch</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi everyone<br>
<br>
I was wondering if it is possible route calls based on the numbers they were<br>
divert by, perhaps using &quot;sip_redirected_by&quot;.<br>
<br>
Let&#39;s assume I own two phone numbers of my old fixed telephone lines and one<br>
VoIP Account/Number. If I redirect the two fixnet numbers to the same VoIP<br>
number, is it possible to &quot;demultiplex&quot; the incoming calls based on the number<br>
they were redirected by?<br>
<br>
I am not sure about the available meta data provided by SIP, however I am<br>
certain that my ISDN phone is sometimes showing &quot;xxxx is calling, redirected by<br>
yyyyy&quot;<br>
<br>
Best Wishes<br>
Andreas<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>-Rupa<br>