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37391 discussions

Can't show single location via kamctl
by Jon Bonilla (Manwe) 09 Mar '21

09 Mar '21

Hi all Using version 5.4.x here. I save the registrations with use_domain 0 but I do use the domain module to do some checks. If I execute "kamctl ul" show I can see the registrations but if I execute "kamctl ul show username" I get "ERROR: domain unknown: use usernames with domain or set default domain in SIP_DOMAIN" I understand I should use domain in case I was using it in the usrloc module but I'm not. How can I tell kamctl not to ask for domain? cheers, Jonm -- PekePBX, the multitenant PBX solution https://pekepbx.com

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Route - loose_route
by Ilie Soltanici 09 Mar '21

09 Mar '21

Hello, I have a strange issue here with the Route header not been respected by the Kamailio server. I'm getting the INVITE from the SBC-1, adding my own RR header (SBC-2), and send it to the SBC-3 This is the Invite I'm sending outside to the SBC-3 Proxy. ``` INVITE sip:+123456789@192.168.1.1:5060 SIP/2.0 Record-Route: <sip:SBC-2:5067;transport=tls;r2=on;ftag=as2b53df6f;lr> Record-Route: <sip:SBC-1;ftag=as2b53df6f;lr> ``` I'm getting back 200OK with mirrored RR, the call is established successfully. But, the problem is with the BYE message coming from the SBC-3: ``` BYE sip:+123456789@192.168.1.2:5060 SIP/2.0 ROUTE: <sip:SBC-2:5067;transport=tls;r2=on;ftag=as2b53df6f;lr>,<sip:SBC-1;ftag=as2b53df6f;lr> ``` There are 2 routes within a single header. Afaik, loose_function should remove his own Route header (SBC-2) and forward the message to the next Route (SBC-1), or to the URI if there are not other Routes. But, in my case, for some reason Kamailio on SBC-2 is sending the request directly to the URI, bypassing the SBC-1. In the logs I'm getting the following errors: *rr_do_force_send_socket(): no socket found to match second RR (sip:SBC-1)* *rr_do_force_send_socket(): second RR uri is not myself (sip:SBC-1)* To enforce the socket I was trying to use 'sn=interface', then I'm not getting anymore this error - but still, Kamailio sends the message directly to the URI, instead of SBC-1. Is there anything wrong with my config, or I am missing something with the Route headers? Kamailio Version: version: kamailio 5.4.4 (x86_64/linux) bdf4e0 Thank you.

2 1

Lookup issue with websockets contacts
by moisesynfante 09 Mar '21

09 Mar '21

I have configured Kamailio for websockets support and I'm having issues whenever I try to lookup a WS registered uac on the location table, it never finds the contact even though the contact is present when I dump the list via kamcmd. This issue only happens with WS, I tested using another user agent with a different protocol and it works fine, not sure if this is related to the fact that WS RURI doesn't really contain the AoR username. The AoR is something like 104-p4f578, but the contact's address stored is something like: sip:f0ck9vph@sjm8i3la4i7n.invalid;transport=ws; -- Sent from: http://sip-router.1086192.n5.nabble.com/Users-f3.html

2 1

TLS certificate unknown
by Daniel Hermann N'don 09 Mar '21

09 Mar '21

Hi guys, I am a beginner in kamailio technology. I want to use kamailio in secure mode with TLS. But when I try to connect via TLS, I get this error in terminal: Mar 08 12:29:36 KAMAILIO5 /usr/sbin/kamailio[1627]: ERROR: <core> [core/tcp_read.c:1512]: tcp_read_req(): ERROR: tcp_read_req: error reading - c: 0x7f6d71a82800 r: 0x7f6d71a828e8 (-1) Mar 08 12:29:44 KAMAILIO5 /usr/sbin/kamailio[1629]: ERROR: tls [tls_util.h:42]: tls_err_ret(): TLS accept:error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown tls.cfg : [server:default] method = TLSv1.2+ verify_certificate = no require_certificate = no private_key = /etc/certs/kamailio/kamailio-key.pem certificate = /etc/certs/kamailio/kamailio-cert.pem ca_list = /etc/certs/demoCA/kamailio-cert.pem I followed this tutorial to generate the ssl keys: http://www.kamailio.net/dokuwiki/doku.php/tls:create-certificates Can someone please help me?

2 1

client TLS session reuse problem
by Rupesh Kumar 09 Mar '21

09 Mar '21

Hi, I am running kamailio 5.2.6 on centos 8 and openssl 1.1.1c and connecting and using it as a proxy sip endpoints to a legacy PBX over TLS. The connection to the backend PBX is over TLS 1.2 . Whenever kamailio initiates a TLS connection to the PBX, it uses session ID and a random session id . The server side has a bug and cannot handle the TLS session resuse apparently because of some bug/issue in caching the TLS sessions. The renegotiation and session_cache is by default turned off and I also explicitly set to 0 via modparam but kamailio would always send the session ID in the initial client hello and this is causing us trouble. Any help would be greatly appreciated. https://kamailio.org/docs/modules/5.2.x/modules/tls.html#tls.p.renegotiation Regards, RK

2 2

Core dumps/crash handlers
by Alex Balashov 09 Mar '21

09 Mar '21

For memory bugs like this ... [mem/f_malloc.c:599]: fm_free(): BUG: fm_free: bad pointer 0x1 (out of memory block!), called from tm: h_table.c: free_cell_helper(185) - aborting ... I'd love to see a core dump, but unfortunately the SIGCHLD from the SIGABRT-terminated child is intercepted and leads to a graceful shutdown: [main.c:743]: handle_sigs(): child process 16037 exited by a signal 6 Is there any way Kamailio can be set to dump core when this happens? -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

2 1

monitor uac registration status
by Davide Zanichelli 05 Mar '21

05 Mar '21

Hello is there a way to monitor (write to db) uacreg status ? Thanks You Davide

3 2

Kamailio and Asterisk in K8s
by H Yavari 05 Mar '21

05 Mar '21

Hi to all, I am going to run multiple Asterisk instances (Pods) in my Kubernetes cluster. I have a stateless Kamailio sip proxy also. We know that K8s can't handle port range for its services, So we have to use host network for Asterisk deployment. But in this mode, Asterisk pods can't connect to other pods through local IPs and you have to add a second network interface to your pods. One solution is using something like Multus that provides multi-home pods. But it has some issue in host-mode! Also, Using media proxy like RTPEngine in front of Asterisk instances doesn't make a change. You have to run RTPEngine in the host mode or just run it on a VM with multiple NIC.What is the practical solution for this scenario? Thank you. BRHossein

3 4

Re: [SR-Users] with 302 response dispatcher list .
by Devang Dhandhalya 05 Mar '21

05 Mar '21

On Thu, Mar 4, 2021 at 6:22 PM Devang Dhandhalya < devang.dhandhalya(a)ecosmob.com> wrote: > Thank you sir for giving this much method . > > but in my case i want to take Destination address from dispatcher.list > file only . and from there when every call coming i need to send response > 302 and in that contact header i need to add those destination by group id > . so any XAVP variable use in my case or any other way to solve this issue > ? > > Thanks in Advance > Devang > > On Thu, Mar 4, 2021 at 6:09 PM Daniel-Constantin Mierla <miconda(a)gmail.com> > wrote: > >> Hello, >> >> then maybe you can keep the list of addresses in database and use >> sql_query() (from sqlops) to retrieve them and build the headers using >> $dbr(...). >> >> Or if you want caching, see the htable module. >> >> If you do not want to use a database system, see db_text to use with >> htable or just read file content with corex module. >> >> Further flexibility can be added by using other embedded scripting >> languages, e.g., app_lua. >> >> Cheers, >> Daniel >> On 04.03.21 12:31, Devang Dhandhalya wrote: >> >> Hello >> >> Right now i am not using dispatcher for routing purpose . but i add >> destination in dispatcher.list and i need to set all those list of >> destination addresses grouped by id in 302 response in contact header >> field . >> . >> Thanks in advanced >> Devang >> >> On Thu, Mar 4, 2021 at 4:43 PM Daniel-Constantin Mierla < >> miconda(a)gmail.com> wrote: >> >>> Hello, >>> >>> do you need dispatcher for providing something else? Or just to keep the >>> list of addresses grouped by id? There can be other variants if dispatcher >>> is not needed for something else. >>> >>> Cheers, >>> Daniel >>> On 04.03.21 09:19, Devang Dhandhalya wrote: >>> >>> my scenario is : i have dispatcher list >>> >>> # dispatcher destination sets (groups) >>> # >>> >>> # line format >>> # setid(int) destination(sip uri) flags(int,opt) priority(int,opt) >>> attributes(str,opt) >>> >>> # proxies >>> 2 sip:172.19.56.21:5060 0 1 >>> 2 sip:172.19.56.22:5060 0 2 >>> >>> # gateways >>> 1 sip:192.168.0.11:5060 0 1 >>> 1 sip:192.168.0.22:5060 0 2 >>> 1 sip:192.168.0.33:5060 0 3 >>> >>> when call coming from first time client to kamailio . kamailio just need >>> to send 302 response to the client with all destination ip of group id 1 >>> priority wise in its contact header field . in easy way >>> >>> client ------------------> kamailio >>> 302 33(3) 22(2) 11(1) >>> <--------------- >>> >>> and when call coming second time from client to kamailio . kamailio need >>> to send group id 2 all destination ip in 302 response in its contact header >>> field . >>> >>> client ------------------> kamailio >>> 302 22(2) 21(1) >>> <--------------- >>> >>> can any one suggest me how to do this thing from kamailio side ? use of >>> append_branch is good option but how to configure this scenario . >>> >>> Thanks in advance >>> Devang >>> >>> *Disclaimer* >>> In addition to generic Disclaimer which you have agreed on our website, >>> any views or opinions presented in this email are solely those of the >>> originator and do not necessarily represent those of the Company or its >>> sister concerns. Any liability (in negligence, contract or otherwise) >>> arising from any third party taking any action, or refraining from taking >>> any action on the basis of any of the information contained in this email >>> is hereby excluded. >>> >>> *Confidentiality* >>> This communication (including any attachment/s) is intended only for the >>> use of the addressee(s) and contains information that is PRIVILEGED AND >>> CONFIDENTIAL. Unauthorized reading, dissemination, distribution, or copying >>> of this communication is prohibited. Please inform originator if you have >>> received it in error. >>> >>> *Caution for viruses, malware etc.* >>> This communication, including any attachments, may not be free of >>> viruses, trojans, similar or new contaminants/malware, interceptions or >>> interference, and may not be compatible with your systems. You shall carry >>> out virus/malware scanning on your own before opening any attachment to >>> this e-mail. The sender of this e-mail and Company including its sister >>> concerns shall not be liable for any damage that may incur to you as a >>> result of viruses, incompleteness of this message, a delay in receipt of >>> this message or any other computer problems. >>> >>> _______________________________________________ >>> Kamailio (SER) - Users Mailing Listsr-users@lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >>> >>> -- >>> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda >>> Funding: https://www.paypal.me/dcmierla >>> >>> >> *Disclaimer* >> In addition to generic Disclaimer which you have agreed on our website, >> any views or opinions presented in this email are solely those of the >> originator and do not necessarily represent those of the Company or its >> sister concerns. Any liability (in negligence, contract or otherwise) >> arising from any third party taking any action, or refraining from taking >> any action on the basis of any of the information contained in this email >> is hereby excluded. >> >> *Confidentiality* >> This communication (including any attachment/s) is intended only for the >> use of the addressee(s) and contains information that is PRIVILEGED AND >> CONFIDENTIAL. Unauthorized reading, dissemination, distribution, or copying >> of this communication is prohibited. Please inform originator if you have >> received it in error. >> >> *Caution for viruses, malware etc.* >> This communication, including any attachments, may not be free of >> viruses, trojans, similar or new contaminants/malware, interceptions or >> interference, and may not be compatible with your systems. You shall carry >> out virus/malware scanning on your own before opening any attachment to >> this e-mail. The sender of this e-mail and Company including its sister >> concerns shall not be liable for any damage that may incur to you as a >> result of viruses, incompleteness of this message, a delay in receipt of >> this message or any other computer problems. >> >> -- >> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda >> Funding: https://www.paypal.me/dcmierla >> >> -- *Disclaimer* In addition to generic Disclaimer which you have agreed on our website, any views or opinions presented in this email are solely those of the originator and do not necessarily represent those of the Company or its sister concerns. Any liability (in negligence, contract or otherwise) arising from any third party taking any action, or refraining from taking any action on the basis of any of the information contained in this email is hereby excluded. *Confidentiality* This communication (including any attachment/s) is intended only for the use of the addressee(s) and contains information that is PRIVILEGED AND CONFIDENTIAL. Unauthorized reading, dissemination, distribution, or copying of this communication is prohibited. Please inform originator if you have received it in error. *Caution for viruses, malware etc.* This communication, including any attachments, may not be free of viruses, trojans, similar or new contaminants/malware, interceptions or interference, and may not be compatible with your systems. You shall carry out virus/malware scanning on your own before opening any attachment to this e-mail. The sender of this e-mail and Company including its sister concerns shall not be liable for any damage that may incur to you as a result of viruses, incompleteness of this message, a delay in receipt of this message or any other computer problems.

2 2

RTPEngine control protocol via TCP
by Alex Balashov 04 Mar '21

04 Mar '21

Hi, Recent versions of RTPEngine (9.x+) implemented support for speaking the "NG" wire protocol over TCP, via the `--listen-tcp-ng` option. Does the Kamailio `rtpengine` module support this, and/or are there any plans to? We've run into a few scenarios where very large responses from RTPEngine can't make it back to Kamailio over the UDP protocol due to fragmentation problems in unique network settings like tunnels. -- Alex -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

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