[SR-Users] Modify IP address in SDP

Austin Einter austin.einter at gmail.com
Wed Jan 23 05:48:33 CET 2013


Dear Ole
I am not finding any example how to do it (changing a fqdn with ipaddress
in sdp).
Using sdp_get i can get the sdp.
But how i can use transformation function pls let me know.

The sdpops link does not give much info how to modify any line.

Best regards
austin


On Tue, Jan 22, 2013 at 6:41 PM, Olle E Johanson <olle at ozone.webway.se>wrote:

>
> 22 jan 2013 kl. 14:07 skrev Austin Einter <austin.einter at gmail.com>:
>
> > Dear All
> > When 200 OK to INVITE passes through Kamailio proxy , I want to change
> the IP address in SDP to a specific IP address.
> >
> > Can this be done by just modifying configuration files or do I need to
> modify in source code.
> >
> > In case I need to modify source code, which files I need to look at.
> >
> > Kindly provide pointers for said problem.
>
> You can modify ANYTHING in a text based attachment like an SDP in the
> configuration script.
> To make it a bit simple for you, we have two modules that work with
> specific parts:
>
> - SDPops http://kamailio.org/docs/modules/devel/modules/sdpops.html
> - MANGLER http://kamailio.org/docs/modules/devel/modules/mangler.html
>
> In the Mangler module there's a function called "sdp_mangle_ip()" that
> will make you happy.
>
> You can always copy the whole SDP into an AVP with SDP_GET, use the
> transformations to read one line at a time and modify it.
>
> /O
>
> ----
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