TCP connection select problem

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张顺通

8 Mar 2016 8 Mar '16

2:08 a.m.

my program structure is LinPhone------TCP------KA_EDGE------UDP------KA_REGISTER------UDP------FS KA_EDGE:all clients TCP connection is in this server KS_REGSITER:all register info is process here when User A want to use program,Linphone send SIP REGISTER to KA_EDGE by TCP(and TCP is always present), and KA_EDGE send to KA_REGISTER by UDP. when FS want to Call A, FS generate SIP: INVITE A@KA_REGISTER_IP KA_REGISTER recive INVITE, lookup the register list, send to KA_EDGE INVITE TCP_IP:TCP_PORT Route:KA_EDGE_IP:KA_EDGE_PORT and LinPhone recive that INVITE. *my question is:* LinPhone A and LinPhone B both register in KA_REGISTER. FS send INVITE: INVITE B: KA_REGISTER_IP and KA_REGISTER lookup correct，send to KA_EDGE INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT but KA_EDGE is not correct.sip is correct,* but KA_EDGE send the INVITE to A' TCP connnection* INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT Someone had this problem?Is this a bug?

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张顺通

8 Mar 8 Mar

2:17 a.m.

kamailio version is 4.2.1 2016-03-08 15:08 GMT+08:00 张顺通 <shuntongzhang(a)gmail.com>om>:

...

张顺通

8:48 p.m.

Someone had this problem? Or It's a bug that has been resolved 2016-03-08 15:17 GMT+08:00 张顺通 <shuntongzhang(a)gmail.com>om>:

...

kamailio version is 4.2.1 2016-03-08 15:08 GMT+08:00 张顺通 <shuntongzhang(a)gmail.com>om>:

Daniel-Constantin Mierla

9 Mar 9 Mar

1:49 a.m.

Are you using Path with received parameter on KA Edge? Are bot Linphone behind the same NAT router? Cheers, Daniel On 08/03/16 08:08, 张顺通 wrote:

...

my program structure is LinPhone------TCP------KA_EDGE------UDP------KA_REGISTER------UDP------FS KA_EDGE:all clients TCP connection is in this server KS_REGSITER:all register info is process here when User A want to use program,Linphone send SIP REGISTER to KA_EDGE by TCP(and TCP is always present), and KA_EDGE send to KA_REGISTER by UDP. when FS want to Call A, FS generate SIP: INVITE A@KA_REGISTER_IP KA_REGISTER recive INVITE, lookup the register list, send to KA_EDGE INVITE TCP_IP:TCP_PORT Route:KA_EDGE_IP:KA_EDGE_PORT and LinPhone recive that INVITE. *my question is:* LinPhone A and LinPhone B both register in KA_REGISTER. FS send INVITE: INVITE B: KA_REGISTER_IP and KA_REGISTER lookup correct，send to KA_EDGE INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT but KA_EDGE is not correct.sip is correct,*but KA_EDGE send the INVITE to A' TCP connnection* INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT Someone had this problem?Is this a bug? _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

9:05 a.m.

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB. Linphone behind the same NAT router. 2016-03-09 14:49 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>:

...

Are you using Path with received parameter on KA Edge? Are bot Linphone behind the same NAT router? Cheers, Daniel On 08/03/16 08:08, 张顺通 wrote: my program structure is LinPhone------TCP------KA_EDGE------UDP------KA_REGISTER------UDP------FS KA_EDGE:all clients TCP connection is in this server KS_REGSITER:all register info is process here when User A want to use program,Linphone send SIP REGISTER to KA_EDGE by TCP(and TCP is always present), and KA_EDGE send to KA_REGISTER by UDP. when FS want to Call A, FS generate SIP: INVITE A@KA_REGISTER_IP KA_REGISTER recive INVITE, lookup the register list, send to KA_EDGE INVITE TCP_IP:TCP_PORT Route:KA_EDGE_IP:KA_EDGE_PORT and LinPhone recive that INVITE. *my question is:* LinPhone A and LinPhone B both register in KA_REGISTER. FS send INVITE: INVITE B: KA_REGISTER_IP and KA_REGISTER lookup correct，send to KA_EDGE INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT but KA_EDGE is not correct.sip is correct,* but KA_EDGE send the INVITE to A' TCP connnection* INVITE TCP_IP_B:TCP_PORT_B Route:KA_EDGE_IP:KA_EDGE_PORT Someone had this problem?Is this a bug? _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Daniel Tryba

9:37 a.m.

On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:

...

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB.

张顺通

13 Mar 13 Mar

11:05 p.m.

...

On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB.

Daniel-Constantin Mierla

14 Mar 14 Mar

6:26 a.m.

...

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29

<http://10.10.232.29>;lr;ob>

KA_REGISTER wile the path info in DB.

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

8:06 a.m.

source IP is same, But port is different。 like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp; 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>:

...

On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB.

_______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Daniel-Constantin Mierla

9:42 a.m.

...

Yes，Use Path in DB. like

<sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 <http://10.10.232.29>;lr;ob>

KA_REGISTER wile the path info in DB.

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

10:36 p.m.

...

On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB.

-- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

Daniel-Constantin Mierla

15 Mar 15 Mar

4:08 a.m.

Can you attach a pcap with such situation, which includes the REGISTER, replies and the call showing the issue? Cheers, Daniel On 15/03/16 03:36, 张顺通 wrote:

...

Yes，Use Path in DB. like

<sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 <http://10.10.232.29>;lr;ob>

KA_REGISTER wile the path info in DB.

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

20 Mar 20 Mar

10:50 p.m.

I Send you pcap Separatly. Sorry, can't send pcap to mail list. Thanks 2016-03-15 16:08 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>:

...

On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote: > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 ;lr;ob> > KA_REGISTER wile the path info in DB. Should not be a problem if you use the use_received options in http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 and http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… (and actually add the source as received on the kamailio edge server). _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

Daniel-Constantin Mierla

21 Mar 21 Mar

4:45 a.m.

...

I Send you pcap Separatly. Sorry, can't send pcap to mail list. Thanks 2016-03-15 16:08 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Can you attach a pcap with such situation, which includes the REGISTER, replies and the call showing the issue? Cheers, Daniel On 15/03/16 03:36, 张顺通 wrote:

KA_EDGE have two IP，external public IP and internal IP. I add modparam("path", "use_received", 1) and replace add_path() to add_path_received() in edge server. add modparam("registrar", "path_use_received", 1) in KA_REGISTER server. DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11 <http://10.10.10.11>;lr;ob> --> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp> This kind of situation very little，It is not easy to reappear. Can you tell me why this situation happen? and Why this change can solve the problem? Thanks for Your Time. 2016-03-09 22:37 GMT+08:00 Daniel Tryba <d.tryba(a)pocos.nl <mailto:d.tryba@pocos.nl>>: On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote: > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 <http://10.10.232.29>;lr;ob> > KA_REGISTER wile the path info in DB. Should not be a problem if you use the use_received options in http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 and http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… (and actually add the source as received on the kamailio edge server). _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

6:34 a.m.

...

Quickly looked at the file and I see several calls there. All of them are exposing the issue? Or can you give the call-id of the call that didn't work fine? I don't want to lose time looking at all the calls, knowing one that is wrong is enough... Cheers, Daniel On 21/03/16 03:50, 张顺通 wrote: I Send you pcap Separatly. Sorry, can't send pcap to mail list. Thanks 2016-03-15 16:08 GMT+08:00 Daniel-Constantin Mierla < <miconda(a)gmail.com> miconda(a)gmail.com>gt;:

Adding received information to Path helps to identify properly the connection to be used. Because both devices are behind the same NAT, practically they show the same source IP when they send traffic to server. Cheers, Daniel On 14/03/16 04:05, 张顺通 wrote: KA_EDGE have two IP，external public IP and internal IP. I add modparam("path", "use_received", 1) and replace add_path() to add_path_received() in edge server. add modparam("registrar", "path_use_received", 1) in KA_REGISTER server. DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11;lr;ob> --> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp > This kind of situation very little，It is not easy to reappear. Can you tell me why this situation happen? and Why this change can solve the problem? Thanks for Your Time. 2016-03-09 22:37 GMT+08:00 Daniel Tryba < <d.tryba(a)pocos.nl> d.tryba(a)pocos.nl>gt;: > On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote: > > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 > ;lr;ob> > > KA_REGISTER wile the path info in DB. > > Should not be a problem if you use the use_received options in > <http://kamailio.org/docs/modules/stable/modules/path.html#idp135216> > http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 > and > > <http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.path_use_received> > http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… > > (and actually add the source as received on the kamailio edge server). > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > <sr-users@lists.sip-router.org>sr-users@lists.sip-router.org > <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

8217020

22 Mar 22 Mar

9:58 a.m.

New subject: Reply:Re: TCP connection select problem

建议使用GRUU，可以回避同一个点登录，多个location 地址。 At 2016-03-21 18:34:41, "张顺通" <shuntongzhang(a)gmail.com> wrote: Have provided Callid, thanks. register callid 2bbadd72-d733-434e-bd06-45d9ddb5289b a7fa5d8f-1e46-4605-9a6e-08751bc75fee call 626fec11-684b-1234-d0b9-ecf4bbde9ef8 2016-03-21 16:45 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: Quickly looked at the file and I see several calls there. All of them are exposing the issue? Or can you give the call-id of the call that didn't work fine? I don't want to lose time looking at all the calls, knowing one that is wrong is enough... Cheers, Daniel On 21/03/16 03:50, 张顺通 wrote: I Send you pcap Separatly. Sorry, can't send pcap to mail list. Thanks 2016-03-15 16:08 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: Can you attach a pcap with such situation, which includes the REGISTER, replies and the call showing the issue? Cheers, Daniel On 15/03/16 03:36, 张顺通 wrote: sorry，I have not expressed clearly. kamailio will recive two REGISTER at a time.In first 200 OK to REGISTER, Server will tell Linphone the Linphone Nat Ip and Port. like this: Via:SIP/2.0/TCP 30.9.2.1:50691;received=42.1.7.1;alias;branch=z9hG4bK.kmhC2L9Rf;rport=33746 and Linphone will know it's outside nat Ip and port, Linphone while use this Ip and Port in second REGISTER. like this: REGSITER Contact:<sip: 42.1.7.1:33746;transport=tcp> So kamailio server know Linphone's nated ip and port and save in DB(contact field). my question is KA_EDGE receive sip from KA_REGISTER already have right nat ip and port like INVITE 123456@42.1.7.1:33746;transport=tcp SIP/2.0 but KA_EDGE do not send this sip msg to 42.1.7.1:33746, it send to another nat ip and port(other Linphone's ip and port behind same NAT layer) 2016-03-14 21:42 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: Indeed, the ports are different, that's why adding received is important in this situation. While local ip and local port are in most of the cases also unique for devices behind a nat router, it is not 100% true, because there can be many layers of NATs, which can result in seeing same local ip/port for devices. Cheers, Daniel On 14/03/16 13:06, 张顺通 wrote: source IP is same, But port is different。 like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp; 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>: Adding received information to Path helps to identify properly the connection to be used. Because both devices are behind the same NAT, practically they show the same source IP when they send traffic to server. Cheers, Daniel On 14/03/16 04:05, 张顺通 wrote: KA_EDGE have two IP，external public IP and internal IP. I add modparam("path", "use_received", 1) and replace add_path() to add_path_received() in edge server. add modparam("registrar", "path_use_received", 1) in KA_REGISTER server. DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11;lr;ob> --> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp> This kind of situation very little，It is not easy to reappear. Can you tell me why this situation happen? and Why this change can solve the problem? Thanks for Your Time. 2016-03-09 22:37 GMT+08:00 Daniel Tryba <d.tryba(a)pocos.nl>nl>: On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:

...

Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29;lr;ob> KA_REGISTER wile the path info in DB.

Should not be a problem if you use the use_received options in http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 and http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… (and actually add the source as received on the kamailio edge server). _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com -- Daniel-Constantin Mierla http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com -- Daniel-Constantin Mierla http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

23 Mar 23 Mar

6:53 a.m.

...

Indeed, the ports are different, that's why adding received is important in this situation. While local ip and local port are in most of the cases also unique for devices behind a nat router, it is not 100% true, because there can be many layers of NATs, which can result in seeing same local ip/port for devices. Cheers, Daniel On 14/03/16 13:06, 张顺通 wrote: source IP is same, But port is different。 like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp; 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla < <miconda@gmail.com>miconda@gmail.com>: > Adding received information to Path helps to identify properly the > connection to be used. Because both devices are behind the same NAT, > practically they show the same source IP when they send traffic to server. > > Cheers, > Daniel > > > On 14/03/16 04:05, 张顺通 wrote: > > KA_EDGE have two IP，external public IP and internal IP. > I add modparam("path", "use_received", 1) and replace add_path() > to add_path_received() in edge server. > add modparam("registrar", "path_use_received", 1) in KA_REGISTER > server. > > DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11;lr;ob> > --> <sip:10.10.10.11;lr;received= > sip:42.129.1.1:43640%3Btransport%3Dtcp> > > This kind of situation very little，It is not easy to reappear. > Can you tell me why this situation happen? and Why this change can > solve the problem? > > Thanks for Your Time. > > > > 2016-03-09 22:37 GMT+08:00 Daniel Tryba < <d.tryba(a)pocos.nl> > d.tryba(a)pocos.nl>gt;: > >> On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote: >> > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 >> ;lr;ob> >> > KA_REGISTER wile the path info in DB. >> >> Should not be a problem if you use the use_received options in >> <http://kamailio.org/docs/modules/stable/modules/path.html#idp135216> >> http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 >> and >> >> <http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.path_use_received> >> http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… >> >> (and actually add the source as received on the kamailio edge server). >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >> list >> <sr-users@lists.sip-router.org>sr-users@lists.sip-router.org >> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > -- > Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda > Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

-- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

Daniel-Constantin Mierla

7:23 a.m.

Had to go in a trip -- will look at it when I get the first chance. Daniel On 23/03/16 11:53, 张顺通 wrote:

...

Have provided Callid, thanks. register callid 2bbadd72-d733-434e-bd06-45d9ddb5289b a7fa5d8f-1e46-4605-9a6e-08751bc75fee call 626fec11-684b-1234-d0b9-ecf4bbde9ef8 2016-03-21 18:34 GMT+08:00 张顺通 <shuntongzhang(a)gmail.com <mailto:shuntongzhang@gmail.com>>: Have provided Callid, thanks. register callid 2bbadd72-d733-434e-bd06-45d9ddb5289b a7fa5d8f-1e46-4605-9a6e-08751bc75fee call 626fec11-684b-1234-d0b9-ecf4bbde9ef8 2016-03-21 16:45 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Quickly looked at the file and I see several calls there. All of them are exposing the issue? Or can you give the call-id of the call that didn't work fine? I don't want to lose time looking at all the calls, knowing one that is wrong is enough... Cheers, Daniel On 21/03/16 03:50, 张顺通 wrote:

source IP is same, But port is different。 like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp; 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Adding received information to Path helps to identify properly the connection to be used. Because both devices are behind the same NAT, practically they show the same source IP when they send traffic to server. Cheers, Daniel On 14/03/16 04:05, 张顺通 wrote: > KA_EDGE have two IP，external public IP and > internal IP. > I add modparam("path", "use_received", 1) and > replace add_path() to add_path_received() in > edge server. > add modparam("registrar", "path_use_received", > 1) in KA_REGISTER server. > > DB path > info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11 <http://10.10.10.11>;lr;ob> > --> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp> > > This kind of situation very little，It is not > easy to reappear. > Can you tell me why this situation happen? > and Why this change can solve the problem? > > Thanks for Your Time. > > > > 2016-03-09 22:37 GMT+08:00 Daniel Tryba > <d.tryba(a)pocos.nl <mailto:d.tryba@pocos.nl>>: > > On Wed, Mar 09, 2016 at 10:05:11PM +0800, > 张顺通 wrote: > > Yes，Use Path in DB. like > <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 > <http://10.10.232.29>;lr;ob> > > KA_REGISTER wile the path info in DB. > > Should not be a problem if you use the > use_received options in > http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 > and > http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… > > (and actually add the source as received > on the kamailio edge server). > > _______________________________________________ > SIP Express Router (SER) and Kamailio > (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

张顺通

10:06 a.m.

have a nice trip, :). 2016-03-23 19:23 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com>om>:

...

Had to go in a trip -- will look at it when I get the first chance. Daniel On 23/03/16 11:53, 张顺通 wrote: Have provided Callid, thanks. register callid 2bbadd72-d733-434e-bd06-45d9ddb5289b a7fa5d8f-1e46-4605-9a6e-08751bc75fee call 626fec11-684b-1234-d0b9-ecf4bbde9ef8 2016-03-21 18:34 GMT+08:00 张顺通 <shuntongzhang(a)gmail.com>om>:

Can you attach a pcap with such situation, which includes the REGISTER, replies and the call showing the issue? Cheers, Daniel On 15/03/16 03:36, 张顺通 wrote: sorry，I have not expressed clearly. kamailio will recive two REGISTER at a time.In first 200 OK to REGISTER, Server will tell Linphone the Linphone Nat Ip and Port. like this: Via:SIP/2.0/TCP 30.9.2.1:50691 ;received=42.1.7.1;alias;branch=z9hG4bK.kmhC2L9Rf;rport=33746 and Linphone will know it's outside nat Ip and port, Linphone while use this Ip and Port in second REGISTER. like this: REGSITER Contact:<sip: 42.1.7.1:33746;transport=tcp> So kamailio server know Linphone's nated ip and port and save in DB(contact field). my question is KA_EDGE receive sip from KA_REGISTER already have right nat ip and port like INVITE 123456@42.1.7.1:33746;transport=tcp SIP/2.0 but KA_EDGE do not send this sip msg to 42.1.7.1:33746, it send to another nat ip and port(other Linphone's ip and port behind same NAT layer) 2016-03-14 21:42 GMT+08:00 Daniel-Constantin Mierla < <miconda@gmail.com>miconda@gmail.com>: > Indeed, the ports are different, that's why adding received is > important in this situation. > > While local ip and local port are in most of the cases also unique for > devices behind a nat router, it is not 100% true, because there can be many > layers of NATs, which can result in seeing same local ip/port for devices. > > Cheers, > Daniel > > > On 14/03/16 13:06, 张顺通 wrote: > > source IP is same, But port is different。 > like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp; > > > 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla < > <miconda@gmail.com>miconda@gmail.com>: > >> Adding received information to Path helps to identify properly the >> connection to be used. Because both devices are behind the same NAT, >> practically they show the same source IP when they send traffic to server. >> >> Cheers, >> Daniel >> >> >> On 14/03/16 04:05, 张顺通 wrote: >> >> KA_EDGE have two IP，external public IP and internal IP. >> I add modparam("path", "use_received", 1) and replace add_path() >> to add_path_received() in edge server. >> add modparam("registrar", "path_use_received", 1) in KA_REGISTER >> server. >> >> DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11;lr;ob> >> --> <sip:10.10.10.11;lr;received= >> sip:42.129.1.1:43640%3Btransport%3Dtcp> >> >> This kind of situation very little，It is not easy to reappear. >> Can you tell me why this situation happen? and Why this change can >> solve the problem? >> >> Thanks for Your Time. >> >> >> >> 2016-03-09 22:37 GMT+08:00 Daniel Tryba < <d.tryba(a)pocos.nl> >> d.tryba(a)pocos.nl>gt;: >> >>> On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote: >>> > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 >>> ;lr;ob> >>> > KA_REGISTER wile the path info in DB. >>> >>> Should not be a problem if you use the use_received options in >>> <http://kamailio.org/docs/modules/stable/modules/path.html#idp135216> >>> http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 >>> and >>> >>> <http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.path_use_received> >>> http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… >>> >>> (and actually add the source as received on the kamailio edge >>> server). >>> >>> _______________________________________________ >>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >>> list >>> <sr-users@lists.sip-router.org>sr-users@lists.sip-router.org >>> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> >>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>> >> >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> >> -- >> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda >> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >> list >> <sr-users@lists.sip-router.org>sr-users@lists.sip-router.org >> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> > > -- > Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda > Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com > > -- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

-- Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

Daniel-Constantin Mierla

31 Mar 31 Mar

12:08 p.m.

Finally, after releasing Kamailio 4.4.0, I got some time to look at the sip trace you sent me. It is only from port 8000 to outside. I need to see also the traffic towards the internal network. Seeing only what is sent out doesn't help, because I need to see what kamailio receives from internal network to be sent out. You can use ngrep to capture on many ports and devices, like: ngrep -d any -qt -O /tmp/sip-trace.pcap -W byline "sip" port 5060 or port 8000 Send me the new trace with traffic on both sides to be able to investigate properly. Cheers, Daniel On 23/03/16 15:06, 张顺通 wrote:

...

have a nice trip, :). 2016-03-23 19:23 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Had to go in a trip -- will look at it when I get the first chance. Daniel On 23/03/16 11:53, 张顺通 wrote:

sorry，I have not expressed clearly. kamailio will recive two REGISTER at a time.In first 200 OK to REGISTER, Server will tell Linphone the Linphone Nat Ip and Port. like this: Via:SIP/2.0/TCP 30.9.2.1:50691;received=42.1.7.1;alias;branch=z9hG4bK.kmhC2L9Rf;rport=33746 and Linphone will know it's outside nat Ip and port, Linphone while use this Ip and Port in second REGISTER. like this: REGSITER Contact:<sip: 42.1.7.1:33746;transport=tcp> So kamailio server know Linphone's nated ip and port and save in DB(contact field). my question is KA_EDGE receive sip from KA_REGISTER already have right nat ip and port like INVITE 123456@42.1.7.1:33746;transport=tcp SIP/2.0 but KA_EDGE do not send this sip msg to 42.1.7.1:33746 <http://42.1.7.1:33746>, it send to another nat ip and port(other Linphone's ip and port behind same NAT layer) 2016-03-14 21:42 GMT+08:00 Daniel-Constantin Mierla <miconda(a)gmail.com <mailto:miconda@gmail.com>>: Indeed, the ports are different, that's why adding received is important in this situation. While local ip and local port are in most of the cases also unique for devices behind a nat router, it is not 100% true, because there can be many layers of NATs, which can result in seeing same local ip/port for devices. Cheers, Daniel On 14/03/16 13:06, 张顺通 wrote: > source IP is same, But port is different。 > like INVITE > sip:Linphone_nat_Ip:Linphone_nat_port;tcp; > > > 2016-03-14 18:26 GMT+08:00 Daniel-Constantin > Mierla <miconda(a)gmail.com > <mailto:miconda@gmail.com>>: > > Adding received information to Path helps > to identify properly the connection to be > used. Because both devices are behind the > same NAT, practically they show the same > source IP when they send traffic to server. > > Cheers, > Daniel > > > On 14/03/16 04:05, 张顺通 wrote: >> KA_EDGE have two IP，external public IP >> and internal IP. >> I add modparam("path", "use_received", 1) >> and replace add_path() >> to add_path_received() in edge server. >> add modparam("registrar", >> "path_use_received", 1) in KA_REGISTER >> server. >> >> DB path >> info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11 >> <http://10.10.10.11>;lr;ob> >> --> <sip:10.10.10.11;lr;received=sip:42.129.1.1:43640%3Btransport%3Dtcp> >> >> This kind of situation very little，It is >> not easy to reappear. >> Can you tell me why this situation >> happen? and Why this change can solve the >> problem? >> >> Thanks for Your Time. >> >> >> >> 2016-03-09 22:37 GMT+08:00 Daniel Tryba >> <d.tryba(a)pocos.nl <mailto:d.tryba@pocos.nl>>: >> >> On Wed, Mar 09, 2016 at 10:05:11PM >> +0800, 张顺通 wrote: >> > Yes，Use Path in DB. like >> <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29 <http://10.10.232.29>;lr;ob> >> > KA_REGISTER wile the path info in DB. >> >> Should not be a problem if you use >> the use_received options in >> http://kamailio.org/docs/modules/stable/modules/path.html#idp135216 >> and >> http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.… >> >> (and actually add the source as >> received on the kamailio edge server). >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio >> (OpenSER) - sr-users mailing list >> sr-users(a)lists.sip-router.org >> <mailto:sr-users@lists.sip-router.org> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users(a)lists.sip-router.org >> <mailto:sr-users@lists.sip-router.org> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- > Daniel-Constantin Mierla > http://www.asipto.com > http://twitter.com/#!/miconda > <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda > Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com > > > _______________________________________________ > SIP Express Router (SER) and Kamailio > (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

-- Daniel-Constantin Mierla http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

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