> 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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