[Freeswitch-users] No UPNP/NAT-PMP, no STUN! How can i make calls between two NAT?

Bruce Hopkins jbrucehopkins at gmail.com
Thu Mar 11 02:03:39 PST 2010

Hello arliyardo,

I'm new to Freeswitch, but looking at the posts on the mailing list it
appears a few of us - you, me and Vladimir Elizarov, have been grappling
with he same thing recently - getting remote phones to work through NAT.

If you look at my thread you will see I have got some of the way, and can
call incoming now but still have difficulty with outgoing calls.  Perhaps
you might have a look at where I have got to and see if you can think of the
final bit of the picture?

I gather the developers are in the process of updating the Wiki pages on
NAT.  I'm hoping they will be able to find time to continuw with this.  It
must be a laborious and time consuming task keeping the documentation up to


On 11 March 2010 01:25, arliyardo <arliyardo at gmail.com> wrote:

> my scenario like this:
> PHONE1->FS ( -> NAT1 (Public IP -> INTERNET -> NAT2 (Public IP -> PHONE2 (
> First, I have forwarded sip port and rtp port.
> I have try servaral configurations in http://wiki.freeswitch.org/wiki/General_NAT_example_scenarios and without luck!
> PHONE2 only regists to FS, how can FS gets through NAT2 to PHONE2, include sip signaling and rtp connection ?
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