[OpenSIPS-Users] Routing in opensips

Eric Freeman eric.freeman at tbwachiat.com
Fri Oct 21 17:46:40 CEST 2016 

Yes, I see Request INVITE going to the device I am calling. I do not see any traffic coming back. I am following up with my Firewall team.

My Firewall team suggested I might need to change the RTP ports to use UDP 2326-2485. Where do I change/check these settings on the OpenSIPs server to see if I have the traffic going out those ports.


Thanks,


Eric Freeman

Technical Director/NA for TBWA\Chiat\Day

TBWA\Chiat\Day New York
488 Madison Ave.
New York NY 10022
United States of America
Tel: +12128041324<tel:%2B12128041324>

________________________________
From: Bogdan-Andrei Iancu <bogdan at opensips.org>
Sent: Monday, October 3, 2016 4:44:26 AM
To: Eric Freeman; OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] Routing in opensips

Hi Eric,

Not the OpenSIPs logs I'm looking for, but the actual SIP packet at network level (use ngrep or tcpdump) for the INVITE leaving your OpenSIPS.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 30.09.2016 16:52, Eric Freeman wrote:

Hopefully this is the relevant information you need from the log. I am trying to call 111 at 199.48.152.152<mailto:111 at 199.48.152.152>. The IP of the opensips server si 10.88.23.10 and has a public IP of 204.17.231.3.  The IP address of the video conference server is 10.89.71.12.


Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_msg: SIP Request:

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_msg:  method:  <INVITE>

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_msg:  uri:     <sip:111 at 199.48.152.152><mailto:sip:111 at 199.48.152.152>

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_msg:  version: <SIP/2.0>

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=2

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_to: end of header reached, state=10

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_to: display={}, ruri={sip:111 at 199.48.152.152<mailto:sip:111 at 199.48.152.152>}

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:get_hdr_field: <To> [26]; uri=[sip:111 at 199.48.152.152<mailto:sip:111 at 199.48.152.152>]

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:get_hdr_field: to body [<sip:111 at 199.48.152.152><mailto:sip:111 at 199.48.152.152>#015#012]

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:get_hdr_field: cseq <CSeq>: <1> <INVITE>

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_via_param: found param type 235, <rport> = <n/a>; state=6

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_via_param: found param type 232, <branch> = <z9hG4bK-57ed3cdd-76b5c304-9584dff>; state=16

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_via: end of header reached, state=5

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: via found, flags=2

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: this is the first via

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:receive_msg: After parse_msg...

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:receive_msg: preparing to run routing scripts...

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=100

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:maxfwd:is_maxfwd_present: value = 70

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:uri:has_totag: no totag

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=78

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:tm:t_lookup_request: start searching: hash=25578, isACK=0

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:tm:matching_3261: RFC3261 transaction matching failed

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:tm:t_lookup_request: no transaction found

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_to_param: tag=2c770a98-c47590a-13c4-45026-57ed3cdd-1bac9941-57ed3cdd

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_to: end of header reached, state=29

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_to: display={"Conference Room"}, ruri={sip:LifeSize at 10.88.23.13;transport=UDP<mailto:sip:LifeSize at 10.88.23.13;transport=UDP>}

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if host==us: 11==11 &&  [10.88.23.13] == [10.88.23.13]

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if port 5060 matches port 5060

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=200

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:get_hdr_field: content_length=1759

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:get_hdr_field: found end of header

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:rr:find_first_route: No Route headers found

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if host==us: 14==11 &&  [199.48.152.152] == [10.88.23.13]

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if port 5060 matches port 5060

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if host==us: 14==11 &&  [199.48.152.152] == [10.88.23.13]

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:grep_sock_info: checking if port 5060 matches port 5060

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:check_self: host != me

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=ffffffffffffffff

Sep 29 12:10:17 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:do_action_set_adv_address: setting adv address = [204.17.231.3]


Eric Freeman

Technical Director/NA for TBWA\Chiat\Day

TBWA\Chiat\Day New York
488 Madison Ave.
New York NY 10022
United States of America
Tel: +12128041324<tel:%2B12128041324>
________________________________
From: Bogdan-Andrei Iancu <bogdan at opensips.org><mailto:bogdan at opensips.org>
Sent: Friday, September 30, 2016 4:32:01 AM
To: Eric Freeman; OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] Routing in opensips

Hi Eric,

As a first step, can you confirm that the INVITE (sent out by your OPenSIPS to the internet) has in VIA hdr the public IP of your NAT ?

Best regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 29.09.2016 19:14, Eric Freeman wrote:

It is still not working, I added my public IP as requested. I do not have any gateways or anything set up. Do I need to add anything?

I added this to the route statement:


if (!uri==myself) {

append_hf("P-hint: outbound\r\n");

set_advertised_address("XXX.XX.XXX.X");

route(relay);


I am still receiving these errors:

Sep 29 12:10:22 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:rr:find_first_route: No Route headers found

Sep 29 12:10:22 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:rr:loose_route: There is no Route HF

Sep 29 12:10:22 cd-ubuntu-opensips /usr/local/sbin/opensips[12878]: DBG:core:parse_headers: flags=78



Eric Freeman

Technical Director/NA for TBWA\Chiat\Day

TBWA\Chiat\Day New York
488 Madison Ave.
New York NY 10022
United States of America
Tel: +12128041324<tel:%2B12128041324>
________________________________
From: Bogdan-Andrei Iancu <bogdan at opensips.org><mailto:bogdan at opensips.org>
Sent: Tuesday, September 20, 2016 8:38:31 AM
To: Eric Freeman; OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] Routing in opensips

He Eric,

In the script (generated by menuconfig), you have an IF block with :
    append_hf("P-hint: outbound\r\n");

That block is executed if one of your users is dialing an external SIP domain. So, that is the place where the calls will break out to public internet.

As your OpenSIPS has a private IP (not routable in internet), you need to configure it to advertise the public IP of your NAT via the set_advertise_address() - see:
    http://www.opensips.org/Documentation/Script-CoreFunctions-2-2#toc46

Put there the public IP of your NAT. Also, be sure you create in your router (running the NAT) a port forwarding from the public IP port 5060 UDP to the private IP of your OpenSIPS port 5060 UDP.

Best regards,

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