'Re: [SR-Users] Kamailio behind NAT, ACK to private IP not advertised public IP.'

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List:       openser-users
Subject:    Re: [SR-Users] Kamailio behind NAT, ACK to private IP not advertised public IP.
From:       Pranathi Venkatayogi <pvenkatayogi () cyracom ! com>
Date:       2016-12-29 16:42:09
Message-ID: 5cac6e52391a47428cd58fa5ccff31af () TACEXH01 ! cyracom ! com
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I added later as I was trying so many things. Pls find attached.

-----Original Message-----
From: sr-users [mailto:sr-users-bounces@lists.sip-router.org] On Behalf Of Fred \
                Posner
Sent: Thursday, December 29, 2016 10:23 AM
To: sr-users@lists.sip-router.org
Subject: Re: [SR-Users] Kamailio behind NAT, ACK to private IP not advertised public \
IP.

> listen=udp:MY_IP_ADDR:5060 advertise MY_PUBLICIP_ADDR:5060

That statement does not exist anywhere in the files you sent.

--fred

On 12/29/2016 11:19 AM, Pranathi Venkatayogi wrote:
> Yes. I defined advertised address and even used listen with advertise as below. \
> Still Kamailio does not send publicip in record route header. \
> listen=udp:MY_IP_ADDR:5060 advertise MY_PUBLICIP_ADDR:5060 
> 
> -----Original Message-----
> From: sr-users [mailto:sr-users-bounces@lists.sip-router.org] On 
> Behalf Of Daniel Grotti
> Sent: Thursday, December 29, 2016 6:31 AM
> To: sr-users@lists.sip-router.org
> Subject: Re: [SR-Users] Kamailio behind NAT, ACK to private IP not advertised \
> public IP. 
> Hi,
> not sure if I understood it right but, have you defined the advertised_address ? \
> That should be used in Via and RR as well: 
> https://www.kamailio.org/wiki/cookbooks/4.4.x/core#advertised_address
> 
> 
> Daniel
> 
> 
> On 12/29/2016 12:09 AM, Pranathi Venkatayogi wrote:
> > I implemented full NAT logic as per the sample config. Still unable 
> > to resolve the issue.
> > 
> > How do I let Kamailio change record_route header to use public ip address?
> > 
> > 
> > 
> > Please help!!!
> > 
> > 
> > 
> > (attached are latest scripts)
> > 
> > 
> > 
> > *From:* Pranathi Venkatayogi
> > *Sent:* Wednesday, December 28, 2016 12:39 PM
> > *To:* 'sr-users@lists.sip-router.org' <sr-users@lists.sip-router.org>
> > *Subject:* Kamailio behind NAT, ACK to private IP not advertised public IP.
> > 
> > 
> > 
> > Hi,
> > 
> > I am encountering the same problem described in google groups 
> > <https://groups.google.com/forum/#!topic/2600hz-dev/-xvUZUrv4Y4>.
> > However I dint not find any resolution hence writing again.
> > 
> > 
> > 
> > 200 OK sent from the server has private Ip in its record route. As 
> > you see below, though the message is received on public IP
> > (63.149.103.72) , the record route is set to private IP
> > (172.31.211.31)
> > 
> > I used listen with advertise of public IP, it did not work. Please 
> > find attached the config I am using.
> > 
> > 
> > 
> > How do I change it send public ip only when talking to external world.
> > 
> > Can someone point to me clear documentation how to configure 
> > Kamailio for NAT traversal.
> > 
> > 
> > 
> > *The following message is sent from Kamailio behind NAT to the public
> > computer.*
> > 
> > 2016-12-27 17:19:24.526875 [blink.exe 5652]: RECEIVED: Packet 123,
> > +0:08:42.690309
> > 
> > 63.149.103.72:5061 -(SIP over TLS)-> 10.0.0.6:62912
> > 
> > SIP/2.0 200 OK
> > 
> > Via: SIP/2.0/TLS
> > 10.0.0.6:62912;rport=62912;received=50.175.10.190;branch=z9hG4bKPj2e3
> > 8
> > 1a96979945bd969989ffe9dca3a9;alias
> > 
> > Record-Route: <sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5
> > <sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5>>
> > 
> > Call-ID: eb8670eec4354acdb69fd26f5625b75c
> > 
> > From: "cust1"
> > <sip:cust1@translation.sms-test.cyracom.com>;tag=2f25d2ae690747c48c87
> > 4
> > e0b415ca03c
> > 
> > To:
> > <sip:spanish@translation.sms-test.cyracom.com>;tag=1c33ad41f6f44cae8a
> > e
> > 8e060f30fe119
> > 
> > CSeq: 4665 INVITE
> > 
> > Server: Blink 3.0.0 (Windows)
> > 
> > Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, 
> > MESSAGE, REFER
> > 
> > Contact: <sip:75329410@10.0.27.108:61381;transport=tls>
> > 
> > Supported: 100rel, replaces, norefersub, gruu
> > 
> > Content-Type: application/sdp
> > 
> > Content-Length:   355
> > 
> > v=0
> > 
> > o=- 3691844303 3691844304 IN IP4 10.0.27.108
> > 
> > s=Blink 3.0.0 (Windows)
> > 
> > t=0 0
> > 
> > m=message 2855 TCP/TLS/MSRP *
> > 
> > c=IN IP4 10.0.27.108
> > 
> > a=path:msrps://10.0.27.108:2855/261d3f47be25612cc77c;tcp
> > 
> > a=accept-types:message/cpim text/* image/* 
> > application/im-iscomposing+xml
> > 
> > a=accept-wrapped-types:text/* image/* application/im-iscomposing+xml
> > 
> > a=setup:active
> > 
> > --
> > 
> > 
> > 
> > *The following is the ACK sent by public computer in reply to the 
> > above message. Note this message never reaches the Kamailio server as 
> > it is sent to private IP.*
> > 
> > 2016-12-27 17:19:24.526875 [blink.exe 5652]: SENDING: Packet 124,
> > +0:08:42.690309
> > 
> > 10.0.0.6:62944 -(SIP over TLS)-> 172.31.211.31:5061
> > 
> > ACK sip:75329410@10.0.27.108:61381;transport=tls SIP/2.0
> > 
> > Via: SIP/2.0/TLS
> > 10.0.0.6:62944;rport;branch=z9hG4bKPj7df757862e6546beba18a646cb965ba2
> > ;
> > alias
> > 
> > Max-Forwards: 70
> > 
> > From: "cust1"
> > <sip:cust1@translation.sms-test.cyracom.com>;tag=2f25d2ae690747c48c87
> > 4
> > e0b415ca03c
> > 
> > To:
> > <sip:spanish@translation.sms-test.cyracom.com>;tag=1c33ad41f6f44cae8a
> > e
> > 8e060f30fe119
> > 
> > Call-ID: eb8670eec4354acdb69fd26f5625b75c
> > 
> > CSeq: 4665 ACK
> > 
> > Route: <sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5>
> > 
> > User-Agent: Blink 3.0.0 (Windows)
> > 
> > Content-Length:  0
> > 
> > 
> > 
> > Thanks,
> > 
> > *Pranathi Venkatayogi*
> > 
> > /System Developer II/
> > 
> > (520) 745-9447 x4466
> > 
> > www.cyracom.com <http://www.cyracom.com/>
> > 
> > 
> > 
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> > <http://www.cyracom.com/blog/>
> > 
> > 
> > 
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> > 
> > 
> > 
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> > _______________________________________________
> > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing 
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