[Users] Re: [Devel] possibility to access dst_uri

[Richard Z]

So each branch route can have different sip message going out, e.g.
different sdp value for different dst_uri?


On 8/27/05, Bogdan-Andrei Iancu <bogdan at voice-system.ro> wrote:
> Hi Richard,
> 
> the variables and the functions handles the dst_uri of the request (and
> not also of the branches); what you can do is to combine their usage
> with the branch route (in order to inspect the dst_uri of all branches).
> 
> regards,
> bogdan
> 
> Richard Z wrote:
> 
> >Great!
> >
> >Can the change handle multiple registration of an address?
> >
> >Thanks,
> >Richard
> >
> >
> >On 8/26/05, Daniel-Constantin Mierla <daniel at voice-system.ro> wrote:
> >
> >
> >>Hello,
> >>
> >>latest openser version from cvs includes a set of new functions (core
> >>and avpops) and pseudo-variable which allow to access and manage the
> >>value of dst_uri.
> >>
> >>The dst_uri field contains the address of the next hop, when the routing
> >>does not follow R-URI address. Such cases are Route header driven
> >>routing (dst_uri is set after loose_route() to the value of next Route
> >>header), contacts behind nat (dst_uri is set to the address of nat after
> >>lookup("location")) or dispatcher usage. The dst_uri has higher priority
> >>in routing over R-URI but less than explicit parameters in relaying
> >>functions (e.g., t_relay_to*()).
> >>
> >>The field was invisible from the script but it proved in the discussions
> >>on the mailing list to be important to access it. For example, to detect
> >>whether the caller and callee are behind same nat. Also, it can be
> >>checked in case of preloaded Route header to secure relaying to special
> >>resources (e.g., pstn gateway). With the new branch_route the value of
> >>dst_uri can be checked for each branch.
> >>
> >>A short summary of what was added:
> >>
> >>* core functions:
> >>- setdsturi("uri") - set the value of dst_uri
> >>- resetdsturi() - reset the value of dst_uri
> >>- isdsturiset() - test if the value of dst_uri is null
> >>
> >>* pseudo-variables
> >>- $du - value of dst_uri (added long time ago)
> >>- $dd - domain of dst_uri
> >>- $dp - port of dst_uri
> >>- $dP - transport protocol of dst_uri
> >>
> >>* avpops changes
> >>- avp_write() can read the value of dst_uri and write it in an avp
> >>- avp_pushto() can write the value of an avp in dst_uri
> >>
> >>Tutorials and dokuwiki will be updated soon.
> >>
> >>Daniel
> >>
> >>
> >>
> >>_______________________________________________
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> >>Devel at openser.org
> >>http://openser.org/cgi-bin/mailman/listinfo/devel
> >>
> >>
> >>
> >
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> >
> >
> 
>