100% you should only be setting sip-ip sip-port and rtp-ip you don't need the ext-* family of params at all. did you check netstat -na | grep <your ip> to see that it was bound? I think it's a network interface configuration problem more than anything else. It could also be iptables which you can prove by disabling it to see any improvement and then craft appropriate rules. On Mon, Oct 11, 2010 at 4:46 AM, Nicolas Brenner <nico@clickfono.com> wrote:
Hello everyone, I'm having trouble binding FS to another ip on a virtual interface (eth0:3). The virtual interface's ip address is the gateway to an ipsec vpn, and the only way to access this voip provider's sip server, is through the vpn. I tried setting up an additional sip profile, with rtp-ip and sip-ip as the virtual interface's ip, but when I do that, no packets are sent at all when trying to make a call with originate through the cli (according to tcpdump). I tried also setting ext-rtp-ip and ext-sip-ip to the same virtual interface's ip, but nothing happened, still no packets being sent (according to tcpdump) when trying to make a call. Finally I tried only setting ext-rtp-ip and ext-sip-ip to the virtual interface's ip, and leave rtp-ip and sip-ip to $${local_ip_v4}, then tcpdump started seeing some traffic (when trying to originate a call) which I was able to capture. When I loaded the trace on wireshark though, I noticed the source ip being used to send all the (sip) packets, is the one from eth0 (public ip), and not eth0:3's ip (private ip for vpn). Has anyone had any similiar experiences? how were you able to solve it? Thanks for your help!
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