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42 participants
37517 discussions

Presence of plain text username and password in kamailio.cfg
by Ahmed Marsou 19 Nov '20

19 Nov '20

Hi; I want to remove all plain text usernames an passwords from kamailio.cfg file. Like modparam("auth_db", "db_url", "dbdriver://username:password @dbhost/dbname") or this modparam("sqlops","sqlcon","ca=>dbdriver://username:password @dbhost/dbname") Can you help me with some ideas of how can I handle that? Thank you.

5 10

Add Reason Header to kamailio generated CANCEL
by Alfonso Pinto 18 Nov '20

18 Nov '20

Hi everyone, I've got a specific case: when the inv_fr times out, I need to add a Reason header to the CANCEL generated by kamailio. I've tried to see if I could do it in the onsend_route, but that one is not triggered for the generated CANCEL. I also checked event_route[tm:local-request], but that one isn't triggered either for the generated CANCEL. Is there any way to do it? Or maybe to have any pointer about where to look in the code so I may try to trigger event_route[tm:local-request] for these generated CANCELs? Regards, Alfonso

6 17

record-route and INFO
by David Villasmil 18 Nov '20

18 Nov '20

Hello guys, I have a setup like this: FS(private)-->(private)Kamailio1(Public)-->Kamailio2(public)-->provider. I have mhomed=0, enable_double_rr=1, I'm listening on 2 different ports, 1 private, 1 public (with advertise) and on Kamailio1 the DISPATCH ROUTE I force the socket $fs = "LISTEN_PRIVATE_PROTO:LISTEN_PRIVATE_IF:5080"; To the private ip when the destination IP is a private IP. This all works fine. But When calling OUT (i.e. public) kamailio adds itself only for the private IP: *INVITE sip:12345678@mydmain.com <sip%3A12345678(a)mydmain.com> SIP/2.0Record-Route: <sip:172.31.25.124:5080;lr;did=9da.3a61;nat=yes>Via: SIP/2.0/UDP 172.31.25.124:5080;branch=z9hG4bKf05e.979fd257ac7f288804ef146d12c1e0fb.0Via: SIP/2.0/UDP 172.31.6.1:5080;received=172.31.6.1;rport=5080;branch=z9hG4bKQ3H8mgHaUjaBm* So when INFO messages come from the provider to kamailio2, kamailio 2 tries to send the INFO straight to "172.21.25.124". Should i manually add a record-route when calling OUT with record_route_advertised_address("1.2.3.4:5090"); Or is there a better way of getting this working? Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337

1 0

Info: URL expander browser extension for Kamailio resources
by Daniel-Constantin Mierla 18 Nov '20

18 Nov '20

Hello, short note to the community forum in case someone finds it useful -- I wrote a tiny browser extension to facilitate navigation to various web resources related to Kamailio project, helping to jump quicker to web pages by typing some keywords on the address bar in the modern browsers. Installation and usage instructions are in the readme of the project, available at: * https://github.com/miconda/KSR-URL-Expander A few other details are in a news article: * https://www.kamailio.org/w/2020/11/browser-url-expander-for-kamailio-resour… Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Funding: https://www.paypal.me/dcmierla

2 1

UAC Module
by Javier Valencia 18 Nov '20

18 Nov '20

Hi there! Configuring the UAC module to use "remote registers" in a Kamailio 4.4.3. Everything it's working except for the flags database field to which I always put a value of 0. But when Kamailio starts to launch the REGISTRATION that field does not persist in the DB. In the kamailio.cfg file I have not made any changes, I only use the remote registers DB feature. Is it normal behavior? Do I have any parameters not set or incorrectly set? Regards, JV

2 2

utility function to check if ip address is private?
by Juha Heinanen 18 Nov '20

18 Nov '20

I looked in the wiki for a utility function that would check if given ip address is private, but didn't find one. Does it exist? -- Juha

3 5

how to add URI parameter
by Sergiu Pojoga 18 Nov '20

18 Nov '20

Hi there, Does Kamailio have a function to add URI parameters? I looked around but couldn't find one. I refuse to believe Kamailio doesn't have one. There's a *add_uri_param(param)*, but that's strictly for R-URI. I need it for something else, Contact. Thanks, --Sergiu

2 1

help: can anybody give me a configuration template of SBC?
by 陈理军 18 Nov '20

18 Nov '20

Hi I want to configure Kamailio SIP server to act as a SBC. I had read the article of Kamailio working as SBC to connect MS Team project:   https://skalatan.de/en/blog/kamailio-sbc-teams But I can not find the kamailio.cfg file for this scenario. Can anybody give me a configuration template of SBC? BRs Albert

3 2

Multiple Registrations via WebSocket & Cisco phones
by Melek Oktay 17 Nov '20

17 Nov '20

Hi, I am using FreeSwitches behind the Kamailio proxy server and I am trying to allow multiple registration to my extensions. So, following configuration is sample of my Kamailio modparam("registrar", "xavp_cfg", "reg") ...... $xavp(reg=>max_contacts) = 10; save("location"); .... I saw my phones could register with the same account credentials via several phones such as Cisco, Zoiper, Yealing etc. When the call is forward to this extension, all of them are ringing. Very Nice. But, when I am trying to REGISTER WebRTC supports soft-phones to my system and with the same account credentials, my extensions are not ringing like in the previous scenario. WebRTC uses Websocket (WS) technology and clients register to Kamailio via usrloc module. When the call is forward to this extension, Kamailio try to replicate WebRTC'S INVITE packet to other phones (Cisco, Yealing, zoiper etc) and none of them understand incoming INVITE request because of WebRTC supported protocols (ICE ,a=candidate) , in a brief, phones could not recognize/understand incoming WebRTC request. This is a really tough issue for me, how can I send appropriate INVITEs for each of them.

2 2

The Algorithm “13” - latency optimized dispatching
by Julien Chavanton 14 Nov '20

14 Nov '20

About The Algorithm “13” - latency optimized dispatching, Is now reviewed once and tested, it will most likely be ready to merge soon. I want to share my thoughts on it one more time as it is not too late to get more feedback before we merge. I think it is the best algorithm in most use cases, here is why : It is providing round-robin and fail-over with automatic de-prioritization of slow/unresponsive gateways. You probably asked yourself the following questions in the past : "How do I set the thresholds to put a gateway out of service ?" *ds_probing_threshold*, *ds_inactive_threshold* and timers ... - If your thresholds are too strict, you may end up running out of gateway. - If your thresholds are too tolerant, you may end up adding excessive delays to call establishment and using degraded gateways. The automatic de-prioritization can help to address this concern more efficiently by providing more flexibility. - it can react faster than lets say 2 consecutive timeouts. - it will not disable gateways but simply de-prioritize / reorder them if needed. The only main drawback I can imagine is when you always need to evenly distribute calls using round-robin. It may be needed sometimes but in this case it means you are willing accept to send calls to a degraded gateway or trough degraded network paths. Even if you may select to preset a mixture of round-robin sets, thanks to *ds_select_routes* however it will stay static, needs to be configured precisely, and will not react to degradation automatically. I hope this will help use to protect QoS and lower latency of calls routed by Kamailio. Feel free to let me know what you think Julien

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