[asterisk-users] Asterisk not receiving call from VPN address

[Administrator TOOTAI]

Le 20/01/2014 03:51, David Cunningham a écrit :
> Hi,
>
> We have a Kamailio and Asterisk cluster, both machines being on a real 
> 103.x IP address and also on a 172.x OpenVPN address.
>
> The problem is that when Kamailo receives a call from the VPN and 
> forwards it to the Asterisk server on it's 103.x address, Asterisk 
> never sees the call.
>
> If Kamailio receives a call from the VPN and forwards the call to the 
> Asterisk server on it's 172.x address then it works. However, if the 
> call isn't from the VPN then forwarding it to the 172.x address 
> doesn't work. So basically the problem is going between the real 
> network and the VPN.
>
> The question is, how can we make this work when calls are received on 
> either network on the Kamailio server and are forwarded to Asterisk?
>
> Using ngrep on the Asterisk server we see that it does receive the 
> INVITE, but Asterisk's logging shows no sign it at all. We guess it's 
> a Linux networking issue rather than Asterisk's fault, but don't know 
> where to fix it. We do have net.ipv4.ip_forward = 1 on both the 
> Kamailio and Asterisk servers.
>
> Thanks in advance for any help.

Hi David,

if you have a 11.7.0 version try to downgrade to 11.6.0.1 See my post 
about similar issue with no registration of our intranet phones

-- 
Daniel