[SR-Users] Fetching proxy-autheticate header from 407 Response

[Daniel Tryba]

On Wed, Feb 22, 2017 at 07:04:32PM +0530, vivek at advaitamtech.com wrote:
> So I will be receiving the "407 Proxy Authentication Required" response from the third party server for the first INVITE.
>  
> I want to fetch the Proxy-Authenticate header present in the 407 response.
>  
> I browsed and tried using the pseudo-variables "$adu/$aa/$ar". It dint work. 

I think you are looking for T_rpl:
https://www.kamailio.org/wiki/cookbooks/4.4.x/pseudovariables#t_rpl_pv

So it might be something like 
$T_rpl($adu) 
or
$T_rpl($hdr(Proxy-Authorization))