[Freeswitch-users] Nat issue

[Iskren Hadzhinedev]

Hi,
Try adding <param name="apply-nat-acl" value="nat.auto"/> to your
external profile.

Regards,
Iskren

-----Original Message-----From: Miha <miha at softnet.si>
Reply-to: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
Subject: Re: [Freeswitch-users] Nat issue
Date: Fri, 22 Apr 2016 14:02:16 +0200

Hi,

could some help me with this.

tnx
miha

On 21/04/2016 08:06, Miha wrote:

> 
> Hi
> 
> our FS is on public ip but the voip server to which trunk is made
> (SFB) is behind NAT.
> 
> So the issue is that in SDP is private ip and FS sends RTP to this
> private ip, it does not change to src ip from which sip request was
> received.
> 
> Remote SDP:
> 2016-04-21 08:04:00.954752 [DEBUG] sofia.c:5614 Remote SDP:
> v=0
> o=- 46176 1 IN IP4 172.16.2.3
> s=session
> c=IN IP4 172.16.2.3
> b=CT:1000
> t=0 0
> m=audio 31200 RTP/AVP 8 101 13
> c=IN IP4 172.16.2.3
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=rtpmap:13 CN/8000
> a=rtcp:31201
> a=label:Audio
> 
> 
> And then:
> 
>  xxx.xxx.xxx.xxx (FS public ip) port 17094 -> 172.16.2.3 port 31200
> codec: 8 ms: 30
> 
> 
> I tried with:
>     <param name="NDLB-force-rport" value="true"/>
>     <param name="aggressive-nat-detection" value="true"/>
> 
> 
> on internal profile and on trunk profile but the same.
> 
> 
> tnx for help!
> Miha
> 
> 
> 
> 
> 
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