[OpenSIPS-Users] NAT Problem using Nat helper

Laszlo laszlo at voipfreak.net
Fri Apr 30 08:35:00 CEST 2010


Hi Ahmed,

As you can see, the other party gets local ip in SDP

c=IN IP4 192.168.0.168.

You can try to play with flags:
http://www.opensips.org/html/docs/modules/1.6.x/nathelper.html#id229028

-Laszlo



2010/4/30 Ahmed Munir <ahmedmunir007 at gmail.com>

>
>
> Hi.
>
> Thanks for your reply, the traces are metioned below;
>
> U 203.215.176.22:55134 -> 11.22.33.44:5060
> .
> .
> ..............
>
> U 81.201.82.45:5060 -> 11.22.33.44:5060
> INVITE sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44> SIP/2.0.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> From: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Max-Forwards: 69.
> Content-Type: application/sdp.
> Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
> User-Agent: Vox Callcontrol.
> Content-Length: 210.
> .
> v=0.
> o=root 13293 13293 IN IP4 81.201.82.146.
> s=session.
> c=IN IP4 81.201.82.146.
> t=0 0.
> m=audio 11458 RTP/AVP 8 0.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:0 PCMU/8000.
> a=silenceSupp:off - - - -.
> a=ptime:20.
> a=sendrecv.
>
>
> U 11.22.33.44:5060 -> 81.201.82.45:5060
> SIP/2.0 100 Giving a try.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> From: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0;rport=5060.
> Server: OpenSIPS (1.6.1-notls (i386/linux)).
> Content-Length: 0.
> .
>
>
> U 11.22.33.44:5060 -> 203.215.176.22:55134
> INVITE sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26 SIP/2.0.
> Record-Route: <sip:11.22.33.44;lr=on>.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> From: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Max-Forwards: 68.
> Content-Type: application/sdp.
> Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
> User-Agent: Vox Callcontrol.
> Content-Length: 210.
> P-hint: usrloc applied.
> .
> v=0.
> o=root 13293 13293 IN IP4 81.201.82.146.
> s=session.
> c=IN IP4 81.201.82.146.
> t=0 0.
> m=audio 11458 RTP/AVP 8 0.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:0 PCMU/8000.
> a=silenceSupp:off - - - -.
> a=ptime:20.
> a=sendrecv.
>
>
> U 203.215.176.22:55134 -> 11.22.33.44:5060
> SIP/2.0 180 Ringing.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Record-Route: <sip:11.22.33.44;lr>.
> Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> From: "4572727220"<sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> User-Agent: X-Lite release 1104o stamp 56125.
> Content-Length: 0.
> .
>
>
> U 11.22.33.44:5060 -> 81.201.82.45:5060
> SIP/2.0 180 Ringing.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Record-Route: <sip:11.22.33.44;lr>.
> Contact: <sip:4004 at 203.215.176.22:55134
> ;rinstance=25bfe05618433c26;nat=yes>.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> From: "4572727220"<sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> User-Agent: X-Lite release 1104o stamp 56125.
> Content-Length: 0.
> .
>
>
> U 203.215.176.22:55134 -> 11.22.33.44:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.0.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Record-Route: <sip:11.22.33.44;lr>.
> Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> From: "4572727220"<sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
> SUBSCRIBE, INFO.
> Content-Type: application/sdp.
> User-Agent: X-Lite release 1104o stamp 56125.
> Content-Length: 130.
> .
> v=0.
> o=- 2 2 IN IP4 192.168.0.168.
> s=CounterPath X-Lite 3.0.
> c=IN IP4 192.168.0.168.
> t=0 0.
> m=audio 1876 RTP/AVP 8 0.
> a=sendrecv.
>
>
> U 11.22.33.44:5060 -> 81.201.82.45:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKdb42364564e21b159baaa8a741307ca0.
> Record-Route: <sip:11.22.33.44;lr>.
> Contact: <sip:4004 at 203.215.176.22:55134
> ;rinstance=25bfe05618433c26;nat=yes>.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> From: "4572727220"<sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 INVITE.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
> SUBSCRIBE, INFO.
> Content-Type: application/sdp.
> User-Agent: X-Lite release 1104o stamp 56125.
> Content-Length: 130.
> .
> v=0.
> o=- 2 2 IN IP4 192.168.0.168.
> s=CounterPath X-Lite 3.0.
> c=IN IP4 192.168.0.168.
> t=0 0.
> m=audio 1876 RTP/AVP 8 0.
> a=sendrecv.
>
>
> U 81.201.82.45:5060 -> 11.22.33.44:5060
> ACK sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26;nat=yes
> SIP/2.0.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 ACK.
> From: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;branch=z9hG4bKb10281cafd7849f7565fbfda2b5951fd.
> Max-Forwards: 69.
> Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
> Route: <sip:11.22.33.44;lr>.
> User-Agent: Vox Callcontrol.
> Content-Length: 0.
> .
>
>
> U 11.22.33.44:5060 -> 203.215.176.22:55134
> ACK sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26 SIP/2.0.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 102 ACK.
> From: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> To: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK1c7c.78b70285.2.
> Via: SIP/2.0/UDP 81.201.82.45:5060
> ;rport=5060;received=81.201.82.45;branch=z9hG4bKb10281cafd7849f7565fbfda2b5951fd.
> Max-Forwards: 68.
> Contact: <sip:4572727220 at 81.201.82.45:5060;transport=udp>.
> User-Agent: Vox Callcontrol.
> Content-Length: 0.
> .
>
>
> U 11.22.33.44:5060 -> 203.215.176.22:55134
> ....
>
> U 203.215.176.22:55134 -> 11.22.33.44:5060
> .
> .
> ..............
>
> U 203.215.176.22:55134 -> 11.22.33.44:5060
> BYE sip:4572727220 at 81.201.82.45:5060;transport=udp SIP/2.0.
> Via: SIP/2.0/UDP 192.168.0.168:55134
> ;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport.
> Max-Forwards: 70.
> Route: <sip:11.22.33.44;lr>.
> Contact: <sip:4004 at 203.215.176.22:55134;rinstance=25bfe05618433c26>.
> To: "4572727220"<sip:4572727220 at voxbone.com <sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> From: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 2 BYE.
> User-Agent: X-Lite release 1104o stamp 56125.
> Reason: SIP;description="User Hung Up".
> Content-Length: 0.
> .
>
>
>
> U 11.22.33.44:5060 -> 81.201.82.45:5060
> BYE sip:4572727220 at 81.201.82.45:5060;transport=udp SIP/2.0.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK529a.32cc52a.0.
> Via: SIP/2.0/UDP 192.168.0.168:55134
> ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
> Max-Forwards: 69.
> Contact: <sip:4004 at 203.215.176.22:55134
> ;rinstance=25bfe05618433c26;nat=yes>.
> To: "4572727220"<sip:4572727220 at voxbone.com <sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> From: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 2 BYE.
> User-Agent: X-Lite release 1104o stamp 56125.
> Reason: SIP;description="User Hung Up".
> Content-Length: 0.
> .
>
>
> U 81.201.82.45:5060 -> 11.22.33.44:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 11.22.33.44;branch=z9hG4bK529a.32cc52a.0,SIP/2.0/UDP
> 192.168.0.168:55134
> ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
> To: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> From: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 2 BYE.
> Content-Length: 0.
> .
>
>
> U 11.22.33.44:5060 -> 203.215.176.22:55134
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 192.168.0.168:55134
> ;received=203.215.176.22;branch=z9hG4bK-d8754z-cf10f40220676576-1---d8754z-;rport=55134.
> To: "4572727220" <sip:4572727220 at voxbone.com<sip%3A4572727220 at voxbone.com>
> >;tag=43772.
> From: <sip:1234567 at 11.22.33.44 <sip%3A1234567 at 11.22.33.44>>;tag=611cee1e.
> Call-ID: NMXRPJIPEJFWXKQQ3A75ZD3CZQ at 81.201.82.45.
> CSeq: 2 BYE.
> Content-Length: 0.
> .
>
>
> Date: Thu, 29 Apr 2010 19:34:16 -0300
>> From: Antonio Anderson Souza <antonio at voicetechnology.com.br>
>> Subject: Re: [OpenSIPS-Users] NAT Problem using Nat helper
>> To: OpenSIPS users mailling list <users at lists.opensips.org>
>> Message-ID:
>>        <s2o285c24cc1004291534m1deec8c4zb6c4ddb0033114b6 at mail.gmail.com>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>>
>> Ahmed,
>>
>> Could you send an wireshark trace to the list? It will be easier to check
>> what's going wrong.
>>
>> Besta regards,
>>
>> Antonio Anderson M. Souza
>> Voice Technology
>> http://www.antonioams.com
>>
>> Em 29/04/2010 11:47, "Ahmed Munir" <ahmedmunir007 at gmail.com>escreveu:
>>
>>
>> Hi,
>>
>> I've configured OpenSIPs with FreeRadius, the version for OpenSIPs I'm
>> using
>> is 1.6.1 and FreeRadius verison is update 2 date. When I register 2
>> sofphone, they got authenticated and authorized by radius and got
>> registered sucessfully. Even I made calls between two softphone
>> sucessfully(Can hear one another). The UAS configured on different network
>> means hosted with public IP and my softphones are registered other and
>> NATed
>> network. I mapped a DID on UAS and mapped it on my one of my softphone.
>> The
>> problem I'm facing is when call coming from DID and ring my phone the
>> caller
>> can hear me but I can't hear the caller(one way calling issue). But not
>> facing the problem on when calling between to sip clients and also calling
>> from OpenSIPs to Asterisk. The configuration and cases for OpenSIPs is
>> listed down below;
>>
>>
>> UAC--------------> UAS(OpenSIPs) --------------------->
>> UAC                                        two way voice is establised
>>  UAC--------------> UAS(OpenSIPs) ---------------------> Asterisk
>> --------------------> UAC    two way voice is establised
>> PSTN--------------> UAS(OpenSIPs)
>> ---------------------> UAC                                      one way
>> voice is establised
>> (hears the dest voice)                                (can't hear caller
>> voice)
>>
>>
>>
>>
>>
>> Kindly help me out with this problem, in which other section Natting is
>> required?(or am I missing something in the configuration?)  Please assist
>> me
>> on it.
>> --
>> Regards,
>>
>> Ahmed Munir
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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>>
>>
>> _______________________________________________
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>>
>>
>> End of Users Digest, Vol 21, Issue 146
>> **************************************
>>
>
>
>
> --
> Regards,
>
> Ahmed Munir
>
>
>
>
>
> --
> Regards,
>
> Ahmed Munir
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
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