[Freeswitch-users] Access to Cause filed in Reason header

[Javier Gallart]

Hello list

some of our providers include a Reason header in negative replies to an
INVITE. For instance, they might include a cause=65 inside a Sip 503 reply.
We need to react upon some of those ISDN causes: in this particular case
with if Reason header were absent we would simply do nothing but let FS to
send the response upstream; but if cause=65 in present we want to resend
the call to the same provider with a different set of offered codecs. Is
there any way to access to the content of that header?. Our applicatiion
listens to the event socket in inbound mode but I haven't found a way to do
this. Any help would be appreciated.

Regards

Javi
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