[OpenSIPS-Users] PROXY behind a NAT
Stefano Pisani
stefano.pisani at omniavoip.org
Tue Jul 10 22:21:54 CEST 2012
Yes, you need advertised_address. Remember, you cannot have internal and
external client. All client MUST be external
Il 10/07/2012 21:59, Ignacio Gonzalez ha scritto:
> 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 <mailto: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 <mailto: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.
>
>
>
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