[OpenSIPS-Users] [OpenSIPS]: Firewall-Configuration

[Laszlo]

On Sun, Jan 25, 2015 at 10:00 PM, Markus Klaus Schäffauer <
markus at mkschaeffauer.de> wrote:

> Hello,
>
> now I have OpenSIPS running and two VoIP-Phones registered via my
> OpenSIPS (the registration of both is OK, as I can verify in the control
> panel of OpenSIPS and in the phones itself).
>
> In the OpenSIPS-Server, I opened the incoming port UDP 5060 in IPTABLES
> for incoming calls (in the moment still restricted to the dyndns of my
> home-IP = $IPTABLES -A INPUT -p udp -s xxx.xxx.xxx.xxx --dport 5060 -m
> state --state NEW,ESTABLISHED,RELATED -j ACCEPT) and permited the
> outgoing port UDP 5060 in IPTABLES for outgoing calls to any IP (=
> IPTABLES -A OUTPUT -p udp --dport 5060 -m state --state NEW -j ACCEPT).
>
> In my Home-Router, I opened the port UDP 5060 in IPTABLES for incoming
> calls for the two VoIP-Phones (i.e. their respective IP). And the
> outgoing requests are permited anyway.
>
> But I can not make/receive any call - I try to call from one VoIP-Phone
> to another (the traffic must leave my Home Network, enter the dedicated
> OpenSIP-Server, leave it and enter my Home Network). The calling
> VoIP-Phone is waiting some seconds and then indicating in it's display
> the message "Network failure".
>
> Is there something wrong in my concept?
> Or can you give me any hints why the connections might fail?
>
>
If I were you, I'd try without any iptables restrictions/rules first. Just
to check if your call can hit the opensips box or not.
If not, it's the time to look at your home router's config.




> Thank you very much!
>
> Regards,
> Markus
>
>
>
>
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-- 

--
Kind regards,
Laszlo Bekesi
http://voipfreak.net
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