RTP not transmitting over NAT

[I K]

Thanks for helping David Villasmil. My Freeswitch is not behind NAT. It has a public IP. But my clients are behind NATs. Some of them are on the same network and others are using mobile data. My problem is simple:1- If I set internal profile on clients, those which are on the same network can have voice and video call with ZRTP using bypass-media. 
2- If I set external profile on clients and set inbound-zrtp-passthru to "true", all of them can have (even those using mobile data) can have voice call with ZRTP. 

I'm looking for a solution to provide voice and VIDEO calls with ZRTP on all networks, regardless of NAT.
  
If your fs is behind nat, you should set sip-ext-ip and rtp-ext-ip.
This is done so that when fs sends an offer out it puts the sip-ext-ip and rtp ip in that offer.
On the client side set the stun
On Fri, 21 Feb 2020 at 04:38, Faisal Hanif <imfanee at gmail.com> wrote:

In you are using linphone mobile clients make sure you have added "stun.linphone.org" in account specific stun settings,If you need both ZRTP & NAT handling keep media in proxy mode.
On Fri, Feb 21, 2020, 6:29 AM I K via FreeSWITCH-users <freeswitch-users at lists.freeswitch.org> wrote:




---------- Forwarded message ----------
From: I K <iriik at yahoo.com>
To: "freeswitch-users at lists.freeswitch.org" <freeswitch-users at lists.freeswitch.org>
Cc: 
Bcc: 
Date: Sat, 15 Feb 2020 22:11:12 +0000 (UTC)
Subject: RTP not transmitting over NAT
Hi every one,
I'm new to Freeswitch and I'm having some difficulty configuring it, despite reading the documents. I have a Freeswitch running on a server with public IP and several Linphone android clients running behind NAT.How should I configure it to transfer audio and video and use ZRTP if one client is on a LAN behind NAT and the other client is using mobile data?!
Things I've acheived so far:1- bypass-media = false and proxy-media = false:In this mode audio works but when I turn on video no request is sent to the other phone. It other use just has to know when to turn on the camera to receive video. and of course ZRTP does not work well.
2-  bypass-media = false and proxy-media = true:audio works but video shows blank3- bypass-media = true and proxy-media = false:If both clients are on the same LAN everything works fine, but if one client connects via mobile data, they can still call each other but no media is transferred and the call is dropped after 30s.
I've been working on this scenario for over a week and I'm desperate to make it work. Thanks in advance for your help.




---------- Forwarded message ----------
From: I K via FreeSWITCH-users <freeswitch-users at lists.freeswitch.org>
To: "freeswitch-users at lists.freeswitch.org" <freeswitch-users at lists.freeswitch.org>
Cc: 
Bcc: 
Date: Thu, 20 Feb 2020 17:29:02 -0800 (PST)
Subject: [Freeswitch-users] RTP not transmitting over NAT
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David Villasmilemail: david.villasmil.work at gmail.comphone: +34669448337_________________________________________________________________________

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