[asterisk-users] sip forward behind a nat

[Vicky]

IF your asterisk server is behind NAT and no port forwarding is done then
how can that static ip user/device reach it
. You will have to keep asterisk server in static ip or do port
forwarding to accept connections from outside .
OR maybe i didnt understand senario properly here . Is it like your "Server
with SIP application (public_address)" responds to sip calls made by any
program ( like sjphone pc-pc sip ) . If thats case then asterisk should be
able to call it like any other program or maybe theres nat scenario playing
bad here :-/ . Can you port forward from firewall to asterisk server  ??



On 13/11/06, nik600 <nik600 at gmail.com> wrote:
>
> On 11/12/06, nik600 <nik600 at gmail.com> wrote:
> > On 11/12/06, Vicky <vicky.r at gmail.com> wrote:
> > > Yep make the server with dynamic ip register to server with static ip
> ( sip
> > > or iax both will do but in sip keep nat=yes while making extension )
> > >
> > the problem is that the server with dynamic ip can't register on the
> > other server!
> >
> > This is the situation:
> >
> >
> > Server with SIP application (public_address)
> > |
> > |
> > - - - Internet
> > |
> > |
> > Firewall (NAT)
> > |
> > |
> > Server Asterisk (private ip:192.168.100.249/public ip:public_address_2)
> > |
> > Analogic Board
> > |
> > Telecom
> >
> > I want to make a call from Server Asterisk to the server with SIP
> Application.
> > The SIP Application can't register to Server Asterisk (because the
> > application can't do it, i know, it isn't a good thing....but this is
> > the application)
> > When The SIP Application receives a SIP call it responds (because a
> > dummy SIP user is autoregistered on hisself)
> >
> > So i only have to make a call to SIP/user at public_address
> >
> > I've also tried to setup an asterisk server on my laptop, and make a
> call to
> > SIP/user at public_address from the public_address network. It works!
> >
> > I only have to setup the Asterisk server in production to make a SIP
> > call throw the NAT but without any SIP user registered on it.
> >
> > Can i do that?
> >
> > Many thanks to all
> >
> maybe you need some other information?
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