[OpenSIPS-Users] PROXY behind a NAT

Tue Jul 10 21:59:27 CEST 2012

So adding this to my configuration file, do I fix the problem?

Do I need to set advertised_address or not?

2012/7/10 Ali Pey <alipey at gmail.com>

> On the reply route try something like this:
>
> onreply_route[1] {
> xlog("reply route 1: sequential requests ($rs $rr)\n");
>  if ( src_ip != onebox_asterisk1_ip && src_ip != onebox_asterisk2_ip ){
> if ( nat_uac_test( "31") ) {
>  fix_nated_contact();
> force_rport();
> if( has_body( "application/sdp" ) ) {
>  fix_nated_sdp( "3" );
> }
> }
>  }
> }
>
>
> Regards,
> Ali Pey
>
>
> On Tue, Jul 10, 2012 at 2:00 PM, Ignacio Gonzalez <mylaneza at gmail.com>wrote:
>
>> Hello everybody, I installed and configured opensips with a residential
>> configuration setting NAT Traversal and Multidomain options with the
>> opensips configuration tool. When I try to make a call with two users, the
>> ACK method of the caller party never reaches the called party.
>>
>> This are the messages received in the called party:
>>
>>
>> INVITE sip:ralvarez at domain;transport=udp SIP/2.0
>> Via: SIP/2.0/UDP 10.151.199.52:45084
>> ;branch=z9hG4bK-d8754z-06f2fafe119979f6-1---d8754z-;rport
>> Max-Forwards: 70
>> Contact: <sip:2427001 at 201.255.1.30:45084;transport=udp>
>> To: <sip:ralvarez at domain>
>> From: <sip:2427001 at domain>;tag=2627e587
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 INVITE
>> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>> SUBSCRIBE, INFO
>> Content-Type: application/sdp
>> Proxy-Authorization: Digest
>> username="2427001",realm=:"domain",nonce="4ffbbd42000000478de4c68512245fee27f7dadd4549c048",uri="sip:ralvarez at domain
>> ;transport=udp",response="8fe20af4d2a381cc6a4ebd3ac1162f69",algorithm=MD5
>> Supported: replaces
>> User-Agent: X-Lite 4 release 4.1 stamp 63214
>> Content-Length: 410
>>
>> v=0
>> o=- 12986371568156250 1 IN IP4 10.151.199.52
>> s=CounterPath X-Lite 4.1
>> c=IN IP4 10.151.166.52
>> t=0 0
>> a=ice-ufrag:6079ef
>> a=ice-pwd:8febe129544f5ec86474270bef1a9214
>> m=audio 53146 RTP/AVP 107 0 8 101
>> a=rtpmap:107 BV32/16000
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-15
>> a=sendrecv
>> a=candidate:1 1 UDP 659136 10.151.199.52 53146 typ host
>> a=candidate:1 2 UDP 659134 10.151.199.52 53147 typ host
>>
>> SIP/2.0 100 Giving a try
>> Via: SIP/2.0/UDP 10.151.199.52:45084
>> ;received=201.255.1.30;branch=z9hG4bK-d8754z-06f2fafe119979f6-1---d8754z-;rport=45084
>> To: <sip:ralvarez at domain>
>> From: <sip:2427001 at domain>;tag=2627e587
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 INVITE
>> Server: OpenSIPS (1.8.0-notls (i386/linux))
>> Content-Length: 0
>>
>> SIP/2.0 180 Ringing
>> Via: SIP/2.0/UDP 10.151.199.52:45084
>> ;received=201.255.1.30;branch=z9hG4bK-d8754z-06f2fafe119979f6-1---d8754z-;rport=45084
>> Record-Route: <sip:192.100.1.220;lr;did=af5.ad45d1c6;nat=yes>
>> *Contact: <sip:ralvarez at 192.100.1.1:30612;rinstance=e0b11e2eb514ba1c>*
>> To: <sip:ralvarez at domain>;tag=e637fa0f
>> From: <sip:2427001 at domain>;tag=2627e587
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 INVITE
>> User-Agent: X-Lite release 1002tx stamp 29712
>> Content-Length: 0
>>
>> SIP/2.0 200 OK
>> Via: SIP/2.0/UDP 10.151.199.52:45084
>> ;received=201.255.1.30;branch=z9hG4bK-d8754z-06f2fafe119979f6-1---d8754z-;rport=45084
>> Record-Route: <sip:192.100.1.220;lr;did=af5.ad45d1c6;nat=yes>
>> *Contact: <sip:ralvarez at 192.100.1.1:30612;rinstance=e0b11e2eb514ba1c>*
>> To: <sip:ralvarez at domain>;tag=e637fa0f
>> From: <sip:2427001 at domain>;tag=2627e587
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 INVITE
>> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
>> SUBSCRIBE, INFO
>> Content-Type: application/sdp
>>
>> .... More OK responses ( retries )
>>
>> BYE sip:2427001 at 201.255.1.30:45084;transport=udp SIP/2.0
>> Via: SIP/2.0/UDP 192.100.1.220;branch=z9hG4bKe265.bd09554.0
>> Via: SIP/2.0/UDP 192.100.1.200:30612
>> ;received=192.168.1.200;branch=z9hG4bK-d87543-4677b2285a79346c-1--d87543-;rport=30612
>> Max-Forwards: 69
>> Contact: <sip:ralvarez at 192.100.1.200:30612;rinstance=e0b11e2eb514ba1c>
>> To: <sip:2427001 at domain>;tag=2627e587
>> From: <sip:ralvarez at domain>;tag=e637fa0f
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 BYE
>> User-Agent: X-Lite release 1002tx stamp 29712
>> Reason: SIP;description="ACK not received"
>> Content-Length: 0
>>
>> SIP/2.0 200 OK
>> Via: SIP/2.0/UDP
>> 192.100.1.220;branch=z9hG4bKe265.bd09554.0;received=24.94.9.135
>> Via: SIP/2.0/UDP 192.100.1.200:30612
>> ;received=192.100.1.200;branch=z9hG4bK-d87543-4677b2285a79346c-1--d87543-;rport=30612
>> Contact: <sip:2427001 at 201.255.1.30:45084;transport=udp>
>> To: <sip:2427001 at domain>;tag=2627e587
>> From: <sip:ralvarez at domain>;tag=e637fa0f
>> Call-ID: ZTg3YjI0ZGNiYjVjZjZlMDRlNjU1Mzg1ZGJkMWQ0NmQ.
>> CSeq: 2 BYE
>> User-Agent: X-Lite 4 release 4.1 stamp 63214
>> Content-Length: 0
>>
>> -----------------------------------------------
>> I need to fix the contact header value because the IP address is behind
>> the NAT and is not reachable from the caller party location. I don't know
>> how to do this, reading some answers in the users mail list i found that
>> setting the global parameter "advertised_address" in the configuration file
>> it will solved it but I'm not sure, can anybody tell me if this is correct?
>>
>> Thanks for all.
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>
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