It seems that when i route the call outbound, i get a 407. So i would like to react to this using uac_auth() as described here: http://kamailio.org/docs/modules/4.3.x/modules/uac.html#uac.f.uac_auth()
Is this the right way? Can someone help me, giving hints and some working example?
Using uac_auth() is the perfect way to send calls to external provider, if you want to authorise the user. If your provider provides IP based auth, you don't need uac_auth() and you can simply terminate using the PSTN gw.
I am not if this answers your question fully,. I myself a newbie here. Tried and got a code working both for PSTN with/without uac_auth.
regards Ganesh Kumar