[Users] How to rewrite source IP -- SIP packet forwarding.
bogdan at voice-system.ro
Tue Aug 2 10:55:41 CEST 2005
try to place before the :
force_send_socket( <public_ip0>:5060 );
this will force the eth0 interface to be used for forwarding the
requests to Astersik.
Ray Van Dolson wrote:
>I'm using nathelper with OpenSER 0.10.x. Here's a quickie diagram of my
> [SIP ATA] <-------------> [OpenSER] <--------------> [Asterisk]
> 10.0.201.5 eth1 - 10.0.201.7 eth0 - <public_ip1>
> eth0 - <public_ip0>
>I'm using the basic nathelper example configuration, except for one
>modification. I removed the call to t_relay and replaced it with:
>Basically I want a SIP packet to come in to eth1 on OpenSER server, get
>rewritten as needed by nathelper, then get sent out to public_ip1 on my
>This appears to be working except a tcpdump on eth0 on OpenSER shows:
>14:39:08.654908 IP 10.0.201.7.5060 > <public_ip1>.5060: UDP, length 629
>Obviously the packets will never get back with that source IP address. What
>command should I be looking at to rewrite this IP so it shows up as
>I'm trying to get SIP ATA's to REGISTER on my Asterisk box but proxy through
>OpenSER ... (and eventually make use of the rtp proxy).
>Can post more info if requested, I am new to SER. :-)
More information about the sr-users