[SR-Users] Kamailio behind NAT

[ZZ Wave]

Yes they're on separate i/f each, Kamailio works like SIP "NAT/firewall
box" between LAN and internet.

Check a port in $fs, 5060 or 5070, or show your cfg with $fs

пт, 1 июл. 2022 г. в 15:19, Алексей Якимкин <ayakimkin at gmail.com>:

> Hello,
>
> Are you ips (LAN_IP and WAN_IP) on sepparate interfaces?
>
> I use add_path for Register requests. It insert header Path:
> <sip:10.130.0.23:5070;lr>
>
> My pbx calls to User-Agent throught 10.130.0.23:5070. INVITE(from
> kamailio) go out  to internet from 10.130.0.23:5070
>
> This line "$fs = «udp:10.130.0.23:5060»;" don`t work, It produces an
> error:
> (pv [pv_branch.c:62]: pv_get_branchx_helper(): error accessing branch [0])
>
>
> ср, 29 июн. 2022 г. в 18:55, ZZ Wave <zzwave at gmail.com>:
>
>> I use this with NATed Kamailio and Asterisk for "transparent"
>> registrations:
>>
>>         if (is_method("REGISTER")) {
>>             add_path();
>>         }
>>         if ($Ri=="LAN_IP") {
>>                 $fs="udp:WAN_IP:5060";
>>         } else {
>>                 $fs="udp:LAN_IP:5060";
>>         }
>>
>> AFAIK FreeSwitch supports Path as well but Yate doesn't
>>
>> ср, 29 июн. 2022 г. в 12:25, Алексей Якимкин <ayakimkin at gmail.com>:
>>
>>> Hello,
>>>
>>> I have  kamailio in local network behind NAT. Kamailio have one
>>> interface eth1 with ip 10.130.0.23
>>>
>>> UserAgent - (internet) - (178.0.0.169)router_with_NAT - (LAN) -
>>> kamailio+rtpproxy - pbx
>>>
>>> I made two listeners:
>>> listen=udp:10.130.0.23:5070 #to pbx in lan (I don`t want to put via
>>> header with 178.0.0.169)
>>> listen=udp:10.130.0.23:5060 advertise 178.0.0.169:5060 #to internet
>>> (UserAgent need to get via header with 178.0.0.169  )
>>>
>>>
>>> mhomed = 1 # I think It not useful  for my case
>>>
>>> UserAgent send Register and Invite to 178.0.0.169:5060, Kamailio get it
>>> on udp:10.130.0.23:5060
>>>
>>> Kamailio Relay it to   udp:10.130.0.23:5070
>>>
>>> My pbx get requests from  udp:10.130.0.23:5070 with via header
>>> 10.130.0.23
>>>
>>> Responses to UserAgent go from  udp:10.130.0.23:5060 with
>>> via 178.0.0.169
>>>
>>>
>>> In  RELAY block:
>>> if ($Ru == «udp:10.130.0.23:5070») {
>>> #set_send_socket(«udp:10.130.0.23:5060»);
>>> $fs = «udp:10.130.0.23:5060»;
>>> #force_send_socket(«udp:10.130.0.23:5060»);
>>> } else {
>>> #set_send_socket(«udp:10.130.0.23:5070»);
>>> $fs = «udp:10.130.0.23:5070»;
>>> }
>>> #$fs = «udp:10.130.0.23:5070»;
>>> if (!t_relay()) {
>>> sl_reply_error();
>>> }
>>>
>>> route[REGISTRAR] {
>>>
>>>         if ($rd == "mydomain.ru" || $rd == "mydomain2.ru") {
>>>
>>>           set_send_socket("udp:10.130.0.23:5070");
>>>
>>>          }
>>>
>>> }
>>>
>>>
>>> It works for requests from UserAgent to PBX. But INVITE from my pbx to
>>> UserAgent goes only through udp:10.130.0.23:5070 ,  Kamailio realy it
>>> to internet from udp:10.130.0.23:5070
>>>
>>> I get error in syslog:  (pv [pv_branch.c:62]: pv_get_branchx_helper():
>>> error accessing branch [0])
>>>
>>> I tried set_send_socket(«udp:10.130.0.23:5070»); and $fs =
>>> «udp:10.130.0.23:5070»;
>>>
>>> Why I can`t relay outgoing requests to internet through another socket?
>>>
>>>
>>> --
>>>
>>> Best regards,
>>> Alex
>>>
>>> __________________________________________________________
>>> Kamailio - Users Mailing List - Non Commercial Discussions
>>>   * sr-users at lists.kamailio.org
>>> Important: keep the mailing list in the recipients, do not reply only to
>>> the sender!
>>> Edit mailing list options or unsubscribe:
>>>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>>
>> __________________________________________________________
>> Kamailio - Users Mailing List - Non Commercial Discussions
>>   * sr-users at lists.kamailio.org
>> Important: keep the mailing list in the recipients, do not reply only to
>> the sender!
>> Edit mailing list options or unsubscribe:
>>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
>
> --
> С уважением,
> Якимкин Алексей
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users at lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
> Edit mailing list options or unsubscribe:
>   * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
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