For that to work, you should do fix_nated_register() instead of
fix_nated_contact(), while switching mid_registrar to "insertion_mode = 1".
Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com
On 27.10.2017 17:23, Jim DeVito wrote:
HI Liviu,
I am trying to deal with NAT while OpenSIPS is acting as the
mid-register. The problem is that unless I use fix_nated_contact()
mid_register saves the private IP address in the location "table" so
when an INVITE comes from the main registrar OpenSIPS is unable to
route it. Still trying to figure out how to make that work.
Thanks!!
On Fri, Oct 27, 2017 at 4:40 AM, Liviu Chircu <[email protected]
<mailto:[email protected]>> wrote:
Hi Jim,
Both functions attempt to rewrite the Contact - the former with
SOURCE_IP:SOURCE_PORT, while the latter attempts to do it with
ADV_IP:ADV_PORT. Due to the "lazy changes" optimization of the
OpenSIPS stack, you cannot serialize these two function calls,
rather you are forced to pick one of them.
Fortunately, there is another way around the above: you can have
the mid-registrar insert itself through a Path header, rather than
rewriting the Contact to point to its interface. So just switch
the mid_registrar to "insertion_mode = 1" and you should be good.
PS: can you elaborate on what you are trying to achieve? IIRC,
fix_nated_contact() should not be called on a REGISTER, rather you
should use the fix_nated_register() which forces a ";received="
param into the Contact. Conceptually, at least - I'm pretty sure
this also won't work well with mid_registrar_save().
Best regards,
Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com <http://www.opensips-solutions.com>
On 26.10.2017 17:08, Jim DeVito wrote:
Hi All,
So if I call fix_nated_contact(); before mid_registrar_save(); It
will correctly rewrite the Contact URI with the recived IP:PORT
however it mid_register is then not able to append the
contact_match_param to the new Contact URI.
The script looks like this...
if (is_method("REGISTER")) {
fix_nated_contact();
mid_registrar_save("location");
It fails with this error.
ERROR:mid_registrar:overwrite_all_contact_hostports: SCRIPT BUG -
second attempt to change URI Contact
ERROR:mid_registrar:mid_reg_req_fwded: failed to overwrite
Contact URI
Thoughts? And Thanks!!
-------------
Jim DeVito
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Jim DeVito
Mobile 216.507.9497
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