[asterisk-users] IAX and NAT Transparency

[Bruce Reeves]

Use the qualify to help, but yes the soft phone registers and the
system sends calls to it.

On Jan 21, 2008 4:25 PM, bilal ghayyad <bilmar_gh at yahoo.com> wrote:
> Hi Gordon;
>
> They are able to receive calls? Origination is not a
> problem I know, but what about receiving calls from
> the Asterisk to them?
>
> For example, how I can call the extension 200 that is
> behind NAT? (Assuming that extension 200 is registered
> on the Asterisk).
>
> Regards
> Bilal
>
>
> ---------------
>
>
> > Hi All;
> >
> > Did anyone try to use IAX IP Phone behind NAT, and
> let
> > it receive calls from Asterisk without doing port
> > mapping at the router existed at the site where the
> > IAX IP Phone existed? Is the need just to let the
> IAX
> > IP Phone that is NATed to register on the Asterisk
> and
> > at asterisk I set nat=yes for the IAX client
> > configuration?
>
> Yes is the easy answer.
>
> I do this all the time fromn my laptop at
> friends/colleagues/other
> locations where I get a broadband connection, and
> don't ever fiddle
>  with
> their routers.
>
> > Or it is impossible to let the NATed IAX to receive
> > calls without doing a port mapping at the router?
>
> Not impossible at all.
>
> You *may* find that some routers don't like it, but
> the majority of
>  them
> are just fine.
>
> > What about SIP, any luck?
>
> Same again, it "just works". Not router fiddling
> required. I visit
>  client
> sites with a small number of differnet SIP phones -
> plug them into
>  their
> network and let them make calls, and unless they have
> weird routers
>  with
> broken SIP ALGs or strict firewalling, it "just
> works".
>
> We've been through this with you recently. Are you not
> getting list
> emails?
>
> What about google or the VoIP WiKi? There is plenty of
> stuff there all
> about it. I can easilly make SIP calls from SIP phones
> behind a NAT
>  router
> to an asterisk box behind a different NAT router. It
> just works and
>  there
> is a good page on the VoIP WiKi all about it.
>
> Go read this:
>
>
> http://www.voip-info.org/wiki-Asterisk+SIP+NAT+solutions
>
> (Although I don't think that page is quite correct as
> I can make their
>  '3'
> scenario "just work" ...)
>
> Gordon
>
>
>
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-- 
Bruce Reeves
Nortex Networks