‘based on the request’ is what’s actually causing the problem. Since the requests come through a proxy, every ‘remote_ip’ is always the local IP, so FS cannot make a determination based on that. I added a deny to the local IP which caused FS to offer the external IP and we can make that work if our customers turn on the NAT reflection.

As a test, I modified switch_core_media.c:generate_m to throw in the local IP and that did fix our issue.  I was hoping for a configuration option.

Thanks,

Dan

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Brian West
Sent: Wednesday, February 17, 2016 4:34 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Can FS offer both internal & external IP address?

Actually no, what you do in this case is set the local-network-acl, it will then know which one to use based on the request.

On Wed, Feb 17, 2016 at 3:16 PM, Dan Edwards <DEdwards@vertical.com> wrote:

I'm running FS behind Nginx, so I explicitly removed the local IP address from localnet.auto. This forces FS to always offer 'ext-rtp-ip'. Outside users work fine in that scenario.

Internal users also work, as long as we turn on NAT reflection in our router. I'm looking for a way to not require that router change.

If I can get FS to offer up both it's internal IP and 'ext-rtp-ip' as candidates in the initial INVITE, the browser could then use ICE to determine which IP address was correct.

Is there a way to offer both and allow ICE on the client side to figure out which one to use?

Thanks,
Dan

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