Hi Bogdan,

Can add_rr_param be called from branch_route? It is needed for later processing of re-INVITE.

If SDP is different for each branch, what would it be for the failure route in a serial forking senario? Is the message reverted back to its original content? That brings another question... can these functions be called from failure_route?

Thanks,
Richard


On 9/26/05, Bogdan-Andrei Iancu <bogdan@voice-system.ro> wrote:
Hi Richard,

to implement per branch NAT traversal, you need several thing,
additional to branch route:
    - per branch flags - these are available in the current
testing/developing branch (cvs head) - see
http://www.openser.org/pipermail/devel/2005-September/000515.html
    - nathelper/mediaproxy functions to be allowed to be called from
branch route - for the moment I see no problem with doing this, but I
will have to double check before setting proper function allowances.

regards,
bogdan

Richard Z wrote:

> Hi,
>
> I am trying to figure out how to use branch route for nat traversal.
> If a subscriber registers from multiple locations, a branch route is
> called after lookup. For example, if locations include UAs behind same
> NAT and different NAT, i'd like to invoke any rtp/media-proxy
> accordingly in branch_route[], . However they can't be called inside a
> branch_route. What's the best way to do this?
>
> Thanks,
> Richard
>
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