Re: SDP Issue on NAT environment
Richard Robson via sr-users <[email protected]>
| Newsgroups | gmane.comp.voip.ser |
|---|---|
| Message-ID | <[email protected]> |
Hi Nathan,
The router at {IP_PUBLIC_TURN_SITE_A} should have port 41762 forwarded
to the relevant port on the SIP sevice port and IP on the local network.
m=audio 41762 RTP/AVP 9 0 8 119
c=IN IP4 IP_PUBLIC_TURN_SITE_A
check that the ephemoral port os being handle correctly. you may need to capture a pcap on the device or on a pc with sipp or a softphone to check you see the media. Also check the fire wall is not blocking the traffic.
If the site B is affected then you need to check the SDP on the INVITE and again check the firewall and portworewarding is alloing the established or related traffic back in.
You could also use RTPEngine to manage the NATTING and have it act as a media proxy on the edge of the B LAN
Regards,
Richard
On 01/09/2025 10:27, Nathan C via sr-users wrote:
> Hello,
>
> Does anyone have an idea on my problem ?
>
> Thanks in advance for your help.
> Regards,
> Nathan
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