[OpenSIPS-Users] Can opensips handle 302 redirection?

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Nov 25 15:44:32 CET 2009

Hi John,

yes, it can locally handle the 3xx replies - see the uac_redirect 
module, the get_Redirects() function:


John Quick wrote:
> Is it possible for opensips to trap a "302 Temporarily moved" reply following an INVITE? I would like
> to check if the requested new Contact address contained in the reply packet is acceptable. If it is,
> opensips will add a new branch and drop the 302 response. If it is not then I would want to redirect
> the call to a media server or voicemail server to inform the caller of the problem.
> I have already tried several ideas using onreply_route and failure_route, but neither of these route
> blocks has both access to the $ct.fields(uri) of the reply (where the requested divert address is
> stored) and the capability of appending a new branch.
> I also tried using dialog values to store $ct.fields(uri) in onreply_route and then fetch the value
> back again in failure_route, but it returns <null>. ($DLG_status is shown as 1 in both onreply and
> failure route blocks even if I call create_dialog() before relaying the Invite).
> Any help greatly appreciated.
> John Quick
> P.S. I got no response to my last question about processing the uri of each branch in a destination
> set returned by exec_dset(). Can anyone help with that?
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Bogdan-Andrei Iancu

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