[Serusers] [Question] About force_rtp_proxy in nathelper module..?
Jan Janak
jan at iptel.org
Fri Aug 12 10:52:00 CEST 2005
On 12-08-2005 09:24, da1228 wrote:
> Hi all:
>
> I am confused what function will signal rtpproxy the port mapping while
> the nat traversal is activated?
>
> Does "force_rtp_proxy" achieve that function ?
>
> In the doc
>
> http://www.iptel.org/ser/doc/modules/txt/nathelper.txt
>
> Maxim says that "force_rtp_proxy" will "Rewrites SDP body to ensure that
> media is passed through an RTP proxy."
>
> Does it means the function "force_rtp_proxy" will change the port in SDP,
>
> and also signal rtpproxy the port mapping that he should transport ?
Yes. The function will first contact the rtpproxy, obtain the IP and
port for relaying from it, and then it will put this information in
SDP.
Jan.
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