sr-users October 2018

sr-users@lists.kamailio.org

81 participants
122 discussions

RTPEngine set IDs
by Alex Balashov 22 Oct '18

22 Oct '18

Hi, I have a question about RTPEngine set IDs: As of Kamailio 5.x, it appears the RTPEngine module has got quite smart. Even if I don't set `setid_avp`, it still knows which RTPEngine instance and set ID was engaged by an initial rtpengine_offer() / rtpengine_manage() command. This knowledge persists even to delete calls in CANCEL / BYE handling, or in subsequent offer/answer calls in reinvites or UPDATEs. That's great, and very convenient. It saves me the trouble of having to store the set ID in an RR param or as a dialog variable, because everything Just Works. The problem, of course, is that if I restart Kamailio, all this state is forgotten. So, for example, if I set up a call, answer it, restart Kamailio, then hang it up, the delete command will go to the default set and not necessarily the non-zero set chosen. If I want proper RTPEngine call teardown to persist across restarts, as far as I can tell I will need to store the set ID in an RR param or some other reasonably stateless way. Am I missing anything here? Does the `rtpengine` module offer some means of persisting this data across restarts? As far as I can tell, its database backing is for the set definitions only and not for call state. Cheers, -- 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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kamailio + asterisk + webrtc
by arish haque 22 Oct '18

22 Oct '18

Hi all, I am using kamailio as sip server and asterisk as media server behind pf-sense firewall (NAT) with a public ip. Sip signalling as well as rtp packets are flowing correctly when the endpoints are within a network. But when trying from outside network sip signalling is working perfectly but there is no RTP. Public ip behind pfsense -> 182.70.xx.yy kamailio+rtpengine and asterisk servers are on private ips --> 192.168.1.x kamailio ip - 192.168.1.x asterisk ip - 192.168.1.y Please, feel free to ask for more information. Thanks & Regards, Arish Haque

4 3

Kamailio forwarding call via Public IP Address vs Private IP Address
by Wilkins, Steve 21 Oct '18

21 Oct '18

Good morning All, I have two almost Identical (Kamailio=>Asterisk) systems set up, but one of them is receiving calls and forwarding them to the Asterisk Public IP, and the other is Forwarding to the Asterisk Private IP. The call is coming in to the number and domain in both scenarios. Any ideas on what would cause this? Thank you, -Steve

1 2

Set a system variable in the request route
by Nicolas Breuer 20 Oct '18

20 Oct '18

Hello, How can I change a system variable within the route ? I can change a variable witk kamctl but any ideas in the code ? Thanks

2 2

Variable Kamailio version
by Nicolas Breuer 20 Oct '18

20 Oct '18

Hello, Can we get the Kamailio version into a variable ? Thanks

3 3

pause/waiting Timer kamailio
by eyas barhouk 19 Oct '18

19 Oct '18

Hello Dears if i need to make kamailio able to pause request processing for a Period of time is that possible ? for example when kamailio receive an INVITE request then it have to wait until 10 seconds before relay it to the second server. thanks in advance .

6 7

Acoounting with acc_radius when dialog terminates by default_timeout
by Denys Pozniak 19 Oct '18

19 Oct '18

Hello! How can I send RADIUS Accounting-Request in case of terminating dialog via default_timeout timer? I tried to catch Kamailio's own generated BYE in event_route AND tried to use cdr_expired_dlg_enable , but it looks like acc module is not triggered. event_route[dialog:end] { if ( dlg_isflagset(FLT_ACC_START) && is_method("BYE") ) { setflag(FLT_ACC); } dlg_resetflag(FLT_ACC_START); } modparam("acc", "log_flag", FLT_ACC) modparam("acc", "cdr_expired_dlg_enable", 1) modparam("acc_radius", "radius_config", "/etc/radiusclient/radiusclient.conf") modparam("acc_radius", "radius_flag", FLT_ACC) modparam("acc_radius", "radius_missed_flag", FLT_ACCMISSED) modparam("dialog", "default_timeout", 3600) modparam("dialog", "send_bye", 1) version: kamailio 4.4.2 (x86_64/linux) 892ad6 flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 892ad6 compiled on 12:58:38 Aug 28 2017 with gcc 4.8.5 -- BR, Denys Pozniak

2 2

Help
by Olivier KOFFI 19 Oct '18

19 Oct '18

Good morning I want to use kamailio to send calls to an asterisk. My problem is that I want to define call prefixes. example If the subscriber calls the 6000, please call us 7000 on transfer to asterisk. Subscribers are at 6000.6001, etc. I want to know exactly which line to modify in kamailio.cfg thank you Sincerely KOFFI Koffi Olivier +225 79830005 +225 59098608 Directeur Technique LIFOR Sarl

2 1

Event route websocket:closed and function unregister
by Володимир Іванець 19 Oct '18

19 Oct '18

Hello all! I have *event_route[websocket:closed]* configured. By using *$si*, *$sp* variables and data from special hash table I can figure out information about account that was disconnected. I'm trying to use *unregister* function against but with no luck. 1. I'm creating variable which contains (as an example): " sip:100-test@127.0.0.1" string, where "100-test" is username. 2. lookup("location", "$var(user_uri)") - runs fine. I'm getting a match and lots of useful variables including *$ruid* are being set: */usr/sbin/kamailio[27169]: DEBUG: registrar [lookup.c:256]: lookup_helper(): contact for [100-test] found by address* 3. But unfortenately *unregister* with same variable does not work. unregister("location", "$var(user_uri)"): *DEBUG: <core> [core/parser/parse_uri.c:1282]: parse_uri(): bad uri, state 0 parsed: <you@> (4) / <you(a)kamailio.org <you(a)kamailio.org>> (16)* *ERROR: <core> [core/parser/parse_to.c:81]: parse_to_uri(): failed to parse To uri* *ERROR: registrar [save.c:1040]: unregister(): failed to extract Address Of Record* I was trying to manipulate *$var(user_uri)* variable's content but could not make it work. It's interesting that variant with *$ruid* - *unregister("location", "", "$ruid")* will work but unfortenately it works only with *modparam("usrloc", "db_mode", 1)*: *ERROR: usrloc [urecord.c:655]: delete_urecord_by_ruid(): delete_urecord_by_ruid currently available only in db_mode=3* I was wonderring if someone could tell me if I'm just using *unregister* function with uri parameter in wrong format or there might be some other problem. Thanks a lot!

2 4

Dispatcher Return
by Duarte Rocha 19 Oct '18

19 Oct '18

Greetings, I'm using Kamailio with Dispatcher and now i have the need to have more than one destination with the same IP:Port belonging to the same Destination Group. Those destinations will have different configurations unrelated to the Dispatcher. However, after ds_select_dst I only have access to IP and Port. Is it possible to Dispatcher to return another fields from the same table row? Or return any other way to identify the row. Thank you for your help. Best Regards, Duarte Rocha

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sr-users October 2018