[OpenSIPS-Users] RTPPRoxy behind NAT

Tue Sep 11 03:46:27 CEST 2012

Hello Sammy

My NAT type is Full cone NAT.

In Firewall, I setting a IP & port 5060 to LAN IP.

Example:

Firewall  -----------------------  Opensips Server

111.22.33.44:5060                       10.1.2.103:5050

Thanks

Nick

From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of SamyGo
Sent: Monday, September 10, 2012 7:32 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT

Hi,

Nick what is your NAT type? how is your network topology working !!

BR
Sammy 

P.S: The blog only takes care of configurations of RTPproxy with servers on
Public IPs and clients behind NAT using Kamailio - This won't make much
sense here. Also alot of things have evolved in kamailio since I wrote that
post.

On Mon, Sep 10, 2012 at 4:13 PM, Binan AL Halabi <binanalhalabi at yahoo.com>
wrote:

Hi Nick,
see this link posted by Qasim,
http://saevolgo.blogspot.com/2012/03/making-rtpproxy-work.html

I like it really, you can read it and adjust it as u need,

//Binan

--- On Mon, 9/10/12, Nick Chang <nick.chang at kland.com.tw> wrote:

From: Nick Chang <nick.chang at kland.com.tw>
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT
To: "'OpenSIPS users mailling list'" <users at lists.opensips.org>

Date: Monday, September 10, 2012, 2:16 AM

Dear Binan

Yes, It's my setting.

route[nat_fixups] {

        #---- RTP Proxy handling ---#

        if (is_method("BYE|CANCEL")) {

                unforce_rtp_proxy();

        } else if (is_method("INVITE")){

                #---- Activates the RTP Proxy for the CALLEE ---#

                rtpproxy_offer("cowf","202.55.233.194");

        };

        # catch and fix replies

        t_on_reply("2");

}

onreply_route[2] {

        #xlog("incoming reply\n");

        #---- Handling of the SDP for the 200 or 183 reply ----#

        #---- If behind nat (flags 5 or 6) start RTP Proxy ----#

        #----    Activates the RTP Proxy for the CALLER    ----#

        if ( is_method("INVITE") &&

        (isflagset(5) || isbflagset(6)) &&

        has_body("application/sdp") ){

                rtpproxy_answer("cowf","202.55.233.194");

        }

        #---- If the CALLEE is behind NAT, fix the CONTACT HF ----#

        if (isbflagset(6)) {

                fix_nated_contact();

                search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');

        }

        exit;

}

Thanks

Nick

From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of Binan AL Halabi
Sent: Monday, September 10, 2012 5:12 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT

Hi Nick,
and you are setting rtpproxy_offer()  for Invite right !

//Binan

--- On Mon, 9/10/12, Nick Chang <nick.chang at kland.com.tw
<http://mc/compose?to=nick.chang@kland.com.tw> > wrote:

From: Nick Chang <nick.chang at kland.com.tw
<http://mc/compose?to=nick.chang@kland.com.tw> >
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT
To: "'OpenSIPS users mailling list'" <users at lists.opensips.org
<http://mc/compose?to=users@lists.opensips.org> >
Date: Monday, September 10, 2012, 2:02 AM

Hi Binan

But, My problem still it.

It's not work for this setting.

Or Do you have any suggest?

Thanks

Nick

From: users-bounces at lists.opensips.org
<http://mc/compose?to=users-bounces@lists.opensips.org>
[mailto:users-bounces at lists.opensips.org
<http://mc/compose?to=users-bounces@lists.opensips.org> ] On Behalf Of Binan
AL Halabi
Sent: Monday, September 10, 2012 4:57 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT

Hi Nick,
thank you too,

//Binan

--- On Mon, 9/10/12, Nick Chang <nick.chang at kland.com.tw> wrote:

From: Nick Chang <nick.chang at kland.com.tw>
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT
To: "'OpenSIPS users mailling list'" <users at lists.opensips.org>
Date: Monday, September 10, 2012, 1:46 AM

Hello Binan

force_rtp_proxy do not support opensips 1.8.1. It is old function.

You can saw this page
http://www.opensips.org/Resources/DocsMigration163to164

Now, I setting "rtpproxy_answer("cowf","202.55.233.194")"

Thanks

Nick

From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of Binan AL Halabi
Sent: Monday, September 10, 2012 4:37 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] RTPPRoxy behind NAT

Hi Nick,
use force_rtp_proxy 
here is the link: 

http://www.opensips.org/html/docs/modules/1.4.x/nathelper.html#id271191

//Binan

--- On Mon, 9/10/12, Nick Chang <nick.chang at kland.com.tw
<http://mc/compose?to=nick.chang@kland.com.tw> > wrote:

From: Nick Chang <nick.chang at kland.com.tw
<http://mc/compose?to=nick.chang@kland.com.tw> >
Subject: [OpenSIPS-Users] RTPPRoxy behind NAT
To: "'OpenSIPS users mailling list'" <users at lists.opensips.org
<http://mc/compose?to=users@lists.opensips.org> >
Date: Monday, September 10, 2012, 1:01 AM

Hello

My RTPPRoxy and Opensips installed on the same server.

Then It behind a NAT.

It's my log. How to change "c=IN IP4 10.1.1.51" to "c=IN IP4 public IP"

U 2012/09/10 15:57:22.704873 10.1.2.103:5060 -> 111.81.182.252:2151

INVITE sip:0939723377 at 111.81.182.252:2151;line=d210bc79dfd2c52 SIP/2.0.

Record-Route: <sip:202.55.233.194;lr;ftag=3554;did=72b.08b17766>.

Via: SIP/2.0/UDP 202.55.233.194;branch=z9hG4bK6aff.e20d892.0.

Via: SIP/2.0/UDP
10.1.1.51:5060;received=118.163.61.141;rport=40696;branch=z9hG4bK3339.

From: <sip:886988000076 at 202.55.233.194>;tag=3554.

To: <sip:0939723377 at 202.55.233.194>.

Call-ID: 32313.

CSeq: 20 INVITE.

Contact: <sip:886988000076 at 118.163.61.141:40696;nat=yes>.

Content-Type: application/sdp.

Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE,
INFO.

Max-Forwards: 69.

User-Agent: Linphone/3.5.2 (eXosip2/3.6.0).

Subject: Phone call.

Content-Length:   337.

.

v=0.

o=886988000076 1752 1752 IN IP4 10.1.1.51.

s=Talk.

c=IN IP4 10.1.1.51.

t=0 0.

m=audio 7078 RTP/AVP 112 111 110 3 0 8 9 101.

a=rtpmap:112 speex/32000.

a=fmtp:112 vbr=on.

a=rtpmap:111 speex/16000.

a=fmtp:111 vbr=on.

a=rtpmap:110 speex/8000.

a=fmtp:110 vbr=on.

a=rtpmap:9 G722/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-11.

Thanks

Nick

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