sr-users March 2022

sr-users@lists.kamailio.org

62 participants
94 discussions

avps on regexps?
by David Villasmil 28 Mar '22

28 Mar '22

Hello guys, Is it possible to use apvs on regexps like: $avp(myvar)=$(re{uri.user}{re.subst,/^\+$avp(some_var)/$avp(some_var)/}); doesn't seem possible Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337

3 3

proxy and forward
by jaflong jaflong 28 Mar '22

28 Mar '22

2 1

nathelper OPTIONS ping
by Xuo Guoto 28 Mar '22

28 Mar '22

Hello all, I am trying to periodically send SIP OPTIONS to all connected WebRTC clients from Kamailio. The functionality is similar to qualify=yes of Asterisk. Following are the configuration changes I have made to get this working. #!define FLB_NATSIPPING 7 <snip/> loadmodule "nathelper.so" <snip/> # ----- nathelper params ----- modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)") modparam("nathelper", "sipping_bflag", FLB_NATSIPPING) modparam("nathelper", "natping_interval", 20) modparam("nathelper", "sipping_from", "sip:pinger@kamailio.org") <snip/> # Handle SIP registrations route[REGISTRAR] { if (is_method("REGISTER")) { xlog("L_INFO", "Processing REGISTER in route[REGISTRAR]\n"); if(isflagset(FLT_NATS)) { setbflag(FLB_NATB); # do SIP NAT pinging xlog("L_INFO", "Setting FLB_NATSIPPING\n"); setbflag(FLB_NATSIPPING); } if (!save("location")) { sl_reply_error(); } xlog("L_INFO", "Successfully processed REGISTER in route[REGISTRAR]\n"); exit; } } When the WebRTC client registers, I can see the log: Setting FLB_NATSIPPING, but SIP OPTIONS packets are not seen. I am checking it using the Chrome console, at client side as well as sipdump module in server side. Do I have to do any additional configuration? I am not posting the full config file here so that its easy to focus on the relevant parts, but can do that if needed. Thanks and regards, X.

2 1

Re: [SR-Users] Kamailio : kamctl address reload with HAProxy
by Henning Westerholt 28 Mar '22

28 Mar '22

Hello, please keep the list in CC – that others can comment as well. Can you actually connect from the kamailio system e.g. with mysql client? If yes, as I said – I would try to debug the issue further with network analysis tools. Cheers, Henning -- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com<https://gilawa.com/> From: Paclinio <thomas.leutscher(a)gmail.com> Sent: Monday, March 28, 2022 1:11 PM To: Henning Westerholt <hw(a)gilawa.com> Subject: Re: [SR-Users] Kamailio : kamctl address reload with HAProxy Hello, KAMCTL : I've resolved the problem with kamctl that now can communicate with my remote Cluster by adding this line in kamctlrc. // HAPROXY = 192.168.1.37 DBHOST=192.168.1.37 DBACCESSHOST=192.168.1.37 I can now add and reload new addresses with success. KAMAILIO + HAPROXY: But now, I've this issue when restarting kamailio. Mar 28 10:54:39 kamailio /usr/sbin/kamailio[8416]: ERROR: permissions [address.c:233]: reload_address_db_table(): database problem - invalid record Mar 28 10:54:39 kamailio /usr/sbin/kamailio[8416]: ERROR: permissions [permissions.c:657]: mod_init(): failed to initialize the allow_address function Mar 28 10:54:39 kamailio /usr/sbin/kamailio[8416]: ERROR: <core> [core/sr_module.c:942]: init_mod(): Error while initializing module permissions (/usr/lib/x86_64-linux-gnu/kamailio/modules/permissions.so) My DBURL is #!substdef "!DB_USER!kamailio!g" #!substdef "!DB_PASS!XXXXX!g" #!substdef "!DB_HOST!192.168.1.37!g" // HA PROXY #!substdef "!DB_PORT!MY_PORT_DB!g" #!substdef "!DB_NAME!kamailio!g" #!define DBURL "mysql://DB_USER:DB_PASS@DB_HOST/DB_NAME" KAMAILIO + REMOTE DB : Even I using a remote database I'm getting the same issue. I've discovered the connection between kamailio and remote database is aborded instantly after restarting kamailio. Mar 28 11:47:30 db03srv mariadbd[874]: 2022-03-28 11:47:30 44076 [Warning] Aborted connection 44076 to db: 'kamailio' user: 'kamailio' host: '192.168.1.41' (Got an error reading communication packets) Thank you [Das Bild wurde vom Absender entfernt.]<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Virus-free. www.avast.com<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Le dim. 27 mars 2022 à 22:52, Henning Westerholt <hw(a)gilawa.com<mailto:hw@gilawa.com>> a écrit : Hello, it seems the data that gets delivered to the Kamailio is corrupted. Analyse it further e.g. with a network trace, wireshark etc.. Cheers, Henning -- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com<https://gilawa.com/> From: sr-users <sr-users-bounces(a)lists.kamailio.org<mailto:sr-users-bounces@lists.kamailio.org>> On Behalf Of Paclinio Sent: Friday, March 25, 2022 5:22 PM To: sr-users(a)lists.kamailio.org<mailto:sr-users@lists.kamailio.org> Subject: [SR-Users] Kamailio : kamctl address reload with HAProxy Dear colleagues, I've installed a Galera cluster with a HAProxy that kamailio interacts with. Kamailio's DBURL is linked to the proxy that will contact the databases. Kamailio works fine except when I need to reload something from the database (Using kamctl). When cache and database are the same I receive sudo kamctl address reload { "jsonrpc": "2.0", "result": "Reload OK", "id": 13111 } Now when I have something using kamctl, it still works and is replaced on all my databases. sipsecure@kamailio:~$ sudo kamctl address add 0 192.168.48.15 32 0 Test -e \E[37;33mINFO: execute '/sbin/kamctl address reload' to synchronize cache and database Then when i try to reload i receive sipsecure@kamailio:~$ sudo kamctl address reload { "jsonrpc": "2.0", "error": { "code": 500, "message": "Reload failed." }, "id": 13504 } And when I'm going to read my logs to see a error, I only see that little sentence Mar 25 17:14:40 kamailio /usr/sbin/kamailio[13343]: ERROR: permissions [address.c:233]: reload_address_db_table(): database problem - invalid record Could I have some explanation ? Thank you. [Das Bild wurde vom Absender entfernt.]<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Virus-free. www.avast.com<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…>

2 2

t_suspend / t_continue & insert_hf
by Fuad Trle 28 Mar '22

28 Mar '22

Hello, I'm inserting some headers after getting value from http_async_query. If a call is relayed, I see them. But If I t_suspend and t_continue call (before time out), I do not see added headers. Here is flow: route(START) t_newtran(); #.. prep for query http_async_query("url","HTTP"); route(HTTP) #.. collect and using data from query insert_hf("$var(key): $var(value)\r\n"); t_store(); if (registered("location") { route(RELAY); } else { t_suspend(); exit; } route(AWAKE) t_continue(); I see that the branch index ($T_branch_idx) is 0 at start. 1 after http query, +1 if there is forking or location. +1 after t_suspend. It looks like t_continue uses a branch with index after t_suspend. I tried with t_save_lumps() to carry over changes. Any idea how to do this?

3 3

What is the status of nat_traversal.so
by hanxiaofang 28 Mar '22

28 Mar '22

Hello Kamailio community, What is the status of nat_traversal.so? https://www.kamailio.org/wiki/alphaindexes/devel/modfunctions Could not find any functions for this module here. Regards hanxiaofang

2 1

Kamailio : kamctl address reload with HAProxy
by Paclinio 27 Mar '22

27 Mar '22

Dear colleagues, I've installed a Galera cluster with a HAProxy that kamailio interacts with. Kamailio's DBURL is linked to the proxy that will contact the databases. Kamailio works fine except when I need to reload something from the database (Using kamctl). When cache and database are the same I receive sudo kamctl address reload > { > "jsonrpc": "2.0", > "result": "Reload OK", > "id": 13111 > } Now when I have something using kamctl, it still works and is replaced on all my databases. sipsecure@kamailio:~$ sudo kamctl address add 0 192.168.48.15 32 0 Test > -e \E[37;33mINFO: execute '/sbin/kamctl address reload' to synchronize > cache and database Then when i try to reload i receive sipsecure@kamailio:~$ sudo kamctl address reload > { > "jsonrpc": "2.0", > "error": { > "code": 500, > "message": "Reload failed." > }, > "id": 13504 > } And when I'm going to read my logs to see a error, I only see that little sentence Mar 25 17:14:40 kamailio /usr/sbin/kamailio[13343]: ERROR: permissions > [address.c:233]: reload_address_db_table(): database problem - invalid > record Could I have some explanation ? Thank you. <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

2 1

Using DNS log in
by Steve 26 Mar '22

26 Mar '22

Hello, I have a very basic Kamailio 5.4 configuration on Debian 11 with RTPProxy 2.2 behind a firewall. It works fine with the sip client logging into the server public ip address. However, the sip client is not able to log in when using a dns domain name directed to that public ip address. Is there a specific setting in the Kamailio and/or RTPProxy config files for using a dns domain name instead of a numeric ip address? Also, is there a Kamailio module that allows use of encrypted keys instead of passwords when logging in? Thanks for any info, Steve

2 2

Forward and proxy
by jaflong 26 Mar '22

26 Mar '22

Hi Kamailio community Any advise on how to archive this sip.mydomain.com sip.mypbx.com sip_phone =======sip/tls=======> KAMAILIO =========sip/udp=======>PBX sip_phone should register to Kamilio with tls Kamailio should proxy register to PBX with udp sip_phone invites should be proxied to PBX in sip_client setting he will point to sip.mydomain.com as his server Regards

2 1

(no subject)
by jaflong jaflong 26 Mar '22

26 Mar '22

2 1

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sr-users March 2022