On Tue, Mar 1, 2011 at 8:09 AM, Deepika Nijhawan
<deepika.nijha...@oxygen8.com> wrote:
> Ya, below is my routing:
> Exten => 1234,1,Dial(SIP/abc)
> Exten => 1234,n,Dial(SIP/xyz)
>
> If 1234 is unallocated on SIP/abc it returns 1 in ${HANGUPCAUSE} variable.
> For this I don't want it to try SIP/xyz.
> But overall, if we get SIP 4xx reason then call should hangup like it sends
> back 404 not found for this case and if we get SIP 5xx response then should
> try SIP/xyz.
> Is there any way to check sip responses and do failover routing based on
> that?
>
Have you looked at SIP_HEADER() dialplan function?
<https://wiki.asterisk.org/wiki/display/AST/Function_SIP_HEADER>
Maybe you can parse Reason header in 4xx or 5xx response?
HTH,
-Bob
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