sr-users January 2019

sr-users@lists.kamailio.org

84 participants
101 discussions

handling BYEs generated by dialog-timeout
by * Paolo Visintin - evosip.cloud 19 Jan '19

19 Jan '19

Hello! I'm wondering if someone have experience in changing $du on local kamailio generated packets (like BYE generated at the dialog-timeout) I'm trying to manipulate in `event_route[tm:local-request]` with no success. In the end I have it working using the `forward()` function and then using `exit;` but in this case instead of having 2 BYEs , kamailio sends 4 BYEs (2 with original $du, 2 with new $du) this an example : event_route[tm:local-request] { if ($rm == "BYE") { route(SELECT_OUTBOUND_PROXY); forward(); exit; } } I'm using a kamailio proxy on top with no record-route (we want to have multiple instances of proxy that can change ip address). Thanks in advance! Paolo

2 6

Dev documentation on implementing event_route events in custom module
by Ivan Ribakov 19 Jan '19

19 Jan '19

Is there any documentation for module developers that lays out API for registering and triggering events from a custom Kamailio module (similar to https://kamailio.org/docs/modules/5.0.x/modules/tm.html#tm.event_routes)? I have been referring to https://www.kamailio.org/docs/kamailio-devel-guide/ <https://www.kamailio.org/docs/kamailio-devel-guide/> up until now but it doesn’t seem to cover event_routes. Thanks in advance, Ivan

3 5

Diameter (CDP) crashes on startup. ERROR: cdp [peerstatemachine.c:634]: I_Snd_CER(): I_Snd_CER(): Error on finding local host address > Socket operation on non-socket
by Denys Pozniak 18 Jan '19

18 Jan '19

Hello! Please help me to find the issue with CDP module as it blocks Kamailio to start. [root@10-10-10-10 kamailio]# cat diameter.xml <?xml version="1.0" encoding="UTF-8"?> <DiameterPeer FQDN="10-10-10-10.ams.proxy.dev" Realm="proxy.dev" Product_Name="Diameter Credit Control" Vendor_Id="10415" AcceptUnknownPeers="1" DropUnknownOnDisconnect="1" Tc="30" Workers="4" QueueLength="32"> <Peer FQDN="dev-diameter-1.ams.proxy.dev" Realm="proxy.dev" port="3868"/> <Acceptor port="3868" bind="10.10.10.10"/> <Auth id="16777216" vendor="10415"/> <Acct id="16777216" vendor="0" /> <Auth id="16777216" vendor="10415"/> <Auth id="16777216" vendor="0" /> <SupportedVendor vendor="10415"/> <Realm name="proxy.dev"> <Route FQDN="dev-diameter-1.ams.proxy.dev" metric="1"/> </Realm> <DefaultRoute FQDN="dev-diameter-1.ams.proxy.dev" metric="10"/> </DiameterPeer> 38(7825) INFO: cdp [worker.c:332]: worker_process(): [1] Worker process started... 37(7824) INFO: cdp [worker.c:332]: worker_process(): [0] Worker process started... 39(7826) INFO: cdp [worker.c:332]: worker_process(): [2] Worker process started... 40(7827) INFO: cdp [worker.c:332]: worker_process(): [3] Worker process started... 41(7828) INFO: cdp [receiver.c:450]: receiver_process(): receiver_process(): [] Receiver process doing init on new process... 41(7828) INFO: cdp [receiver.c:455]: receiver_process(): receiver_process(): [] Receiver process starting up... 42(7829) INFO: cdp [receiver.c:450]: receiver_process(): receiver_process(): [dev-diameter-1.ams.proxy.dev] Receiver process doing init on new process... 42(7829) INFO: cdp [receiver.c:184]: add_serviced_peer(): add_serviced_peer(): Adding serviced_peer_t to receiver for peer [dev-diameter-1.ams.proxy.dev] 42(7829) INFO: cdp [receiver.c:455]: receiver_process(): receiver_process(): [dev-diameter-1.ams.proxy.dev] Receiver process starting up... 43(7830) INFO: cdp [acceptor.c:81]: acceptor_process(): Acceptor process starting up... 0(7787) INFO: cdp [cdp_mod.c:244]: cdp_child_init(): ... CDiameterPeer child started 43(7830) WARNING: cdp [tcp_accept.c:121]: create_socket(): create_socket(): Trying to open/bind/listen on 10.10.10.10 port 3868 43(7830) WARNING: cdp [tcp_accept.c:146]: create_socket(): create_socket(): Successful socket open/bind/listen on 10.10.10.10 port 3868 43(7830) INFO: cdp [acceptor.c:95]: acceptor_process(): Acceptor opened sockets. Entering accept loop ... 44(7831) INFO: cdp [timer.c:205]: timer_process(): Timer process starting up... [root@10-10-10-10 kamailio]# 44(7831) INFO: cdp [peerstatemachine.c:525]: I_Snd_Conn_Req(): I_Snd_Conn_Req(): Peer dev-diameter-1.ams.proxy.dev 44(7831) INFO: cdp [receiver.c:869]: peer_connect(): peer_connect(): Trying to connect to 10.10.10.20 port 3868 44(7831) INFO: cdp [receiver.c:937]: peer_connect(): peer_connect(): Peer dev-diameter-1.ams.proxy.dev:3868 connected 42(7829) ERROR: cdp [peerstatemachine.c:634]: I_Snd_CER(): I_Snd_CER(): Error on finding local host address > Socket operation on non-socket 42(7829) CRITICAL: <core> [core/mem/q_malloc.c:149]: qm_debug_check_frag(): BUG: qm: prev. fragm. tail overwritten(0, abcdefed)[0x7f3ecb7ef018:0x7f3ecb7ef050]! Memory allocator was called from cdp: diameter_avp.c:365. Fragment marked by cdp: diameter_avp.c:142. Exec from core/mem/q_malloc.c:504. 45(7832) CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 52 0(7787) ALERT: <core> [main.c:739]: handle_sigs(): child process 7829 exited by a signal 6 0(7787) ALERT: <core> [main.c:742]: handle_sigs(): core was generated 0(7787) INFO: <core> [main.c:764]: handle_sigs(): terminating due to SIGCHLD DNS record dev-diameter-1.ams.proxy.dev is pointed to 10.10.10.20 NU gdb (GDB) Red Hat Enterprise Linux 7.6.1-114.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html > This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/sbin/kamailio...Reading symbols from /usr/lib/debug/usr/sbin/kamailio.debug...done. done. [New LWP 7829] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `kamailio -f kamailio.cfg -DDDD -E'. Program terminated with signal 6, Aborted. #0 0x00007f3ed7dc0207 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install glibc-2.17-260.el7.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.15.1-34.el7.x86_64 libcom_err-1.42.9-13.el7.x86_64 libgcc-4.8.5-36.el7.x86_64 libselinux-2.5-14.1.el7.x86_64 libstdc++-4.8.5-36.el7.x86_64 libxml2-2.9.1-6.el7_2.3.x86_64 mariadb-libs-5.5.60-1.el7_5.x86_64 openssl-libs-1.0.2k-16.el7.x86_64 pcre-8.32-17.el7.x86_64 xz-libs-5.2.2-1.el7.x86_64 zlib-1.2.7-18.el7.x86_64 (gdb) bt #0 0x00007f3ed7dc0207 in raise () from /lib64/libc.so.6 #1 0x00007f3ed7dc18f8 in abort () from /lib64/libc.so.6 #2 0x000000000067d5f7 in qm_debug_check_frag (qm=0x7f3ecb4d0000, f=0x7f3ecb7ef018, file=0x7f3ed068d932 "cdp: diameter_avp.c", line=365, efile=0x7df137 "core/mem/q_malloc.c", eline=504) at core/mem/q_malloc.c:151 #3 0x000000000068077a in qm_free (qmp=0x7f3ecb4d0000, p=0x7f3ecb7ef050, file=0x7f3ed068d932 "cdp: diameter_avp.c", func=0x7f3ed068f418 <__FUNCTION__.7016> "AAAFreeAVP", line=365, mname=0x7f3ed068d760 "cdp") at core/mem/q_malloc.c:504 #4 0x000000000068a2d6 in qm_shm_free (qmp=0x7f3ecb4d0000, p=0x7f3ecb7ef050, file=0x7f3ed068d932 "cdp: diameter_avp.c", func=0x7f3ed068f418 <__FUNCTION__.7016> "AAAFreeAVP", line=365, mname=0x7f3ed068d760 "cdp") at core/mem/q_malloc.c:1268 #5 0x00007f3ed06691c8 in AAAFreeAVP (avp=0x7ffd86bdd300) at diameter_avp.c:365 #6 0x00007f3ed0636d66 in AAAFreeAVPList (avpList=0x7f3ecb7eea40) at diameter_msg.c:396 #7 0x00007f3ed0637123 in AAAFreeMessage (msg=0x7ffd86bdd3b0) at diameter_msg.c:416 #8 0x00007f3ed06088ec in Process_CEA (p=0x7f3ecb7a00d8, cea=0x7f3ecb7ee9f0) at peerstatemachine.c:804 #9 0x00007f3ed0601ab1 in sm_process (p=0x7f3ecb7a00d8, event=I_Rcv_CEA, msg=0x7f3ecb7ee9f0, peer_locked=0, sock=8) at peerstatemachine.c:166 #10 0x00007f3ed0659825 in receive_message (msg=0x7f3ecb7ee9f0, sp=0x7f3ed76feec8) at receiver.c:1128 #11 0x00007f3ed064f295 in do_receive (sp=0x7f3ed76feec8) at receiver.c:593 #12 0x00007f3ed0653068 in receive_loop (original_peer=0x7f3ecb7a00d8) at receiver.c:800 #13 0x00007f3ed064c7c6 in receiver_process (p=0x7f3ecb7a00d8) at receiver.c:459 #14 0x00007f3ed05fd7de in diameter_peer_start (blocking=0) at diameter_peer.c:289 #15 0x00007f3ed05ef9b1 in cdp_child_init (rank=0) at cdp_mod.c:243 #16 0x0000000000544e31 in init_mod_child (m=0x7f3ed7630170, rank=0) at core/sr_module.c:943 #17 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7630e90, rank=0) at core/sr_module.c:939 #18 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7631290, rank=0) at core/sr_module.c:939 #19 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7631700, rank=0) at core/sr_module.c:939 #20 0x0000000000545205 in init_child (rank=0) at core/sr_module.c:970 #21 0x0000000000424f85 in main_loop () at main.c:1701 #22 0x000000000042b87e in main (argc=5, argv=0x7ffd86bde218) at main.c:2638 (gdb) bt full #0 0x00007f3ed7dc0207 in raise () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f3ed7dc18f8 in abort () from /lib64/libc.so.6 No symbol table info available. #2 0x000000000067d5f7 in qm_debug_check_frag (qm=0x7f3ecb4d0000, f=0x7f3ecb7ef018, file=0x7f3ed068d932 "cdp: diameter_avp.c", line=365, efile=0x7df137 "core/mem/q_malloc.c", eline=504) at core/mem/q_malloc.c:151 __FUNCTION__ = "qm_debug_check_frag" #3 0x000000000068077a in qm_free (qmp=0x7f3ecb4d0000, p=0x7f3ecb7ef050, file=0x7f3ed068d932 "cdp: diameter_avp.c", func=0x7f3ed068f418 <__FUNCTION__.7016> "AAAFreeAVP", line=365, mname=0x7f3ed068d760 "cdp") at core/mem/q_malloc.c:504 qm = 0x7f3ecb4d0000 f = 0x7f3ecb7ef018 size = 140726864040496 next = 0x7df14b prev = 0x7f3ed067f329 __FUNCTION__ = "qm_free" #4 0x000000000068a2d6 in qm_shm_free (qmp=0x7f3ecb4d0000, p=0x7f3ecb7ef050, file=0x7f3ed068d932 "cdp: diameter_avp.c", func=0x7f3ed068f418 <__FUNCTION__.7016> "AAAFreeAVP", line=365, mname=0x7f3ed068d760 "cdp") at core/mem/q_malloc.c:1268 No locals. #5 0x00007f3ed06691c8 in AAAFreeAVP (avp=0x7ffd86bdd300) at diameter_avp.c:365 __FUNCTION__ = "AAAFreeAVP" #6 0x00007f3ed0636d66 in AAAFreeAVPList (avpList=0x7f3ecb7eea40) at diameter_msg.c:396 avp_t = 0x7f3ecb7ef050 avp = 0x7f3ecb7eef40 #7 0x00007f3ed0637123 in AAAFreeMessage (msg=0x7ffd86bdd3b0) at diameter_msg.c:416 __FUNCTION__ = "AAAFreeMessage" #8 0x00007f3ed06088ec in Process_CEA (p=0x7f3ecb7a00d8, cea=0x7f3ecb7ee9f0) at peerstatemachine.c:804 avp = 0x7f3ecb7ef440 #9 0x00007f3ed0601ab1 in sm_process (p=0x7f3ecb7a00d8, event=I_Rcv_CEA, msg=0x7f3ecb7ee9f0, peer_locked=0, sock=8) at peerstatemachine.c:166 result_code = -798486160 next_event = 32574 msg_received = 0 __FUNCTION__ = "sm_process" #10 0x00007f3ed0659825 in receive_message (msg=0x7f3ecb7ee9f0, sp=0x7f3ed76feec8) at receiver.c:1128 avp1 = 0xd0684fc0 avp2 = 0x7f3ecb7eed10 __FUNCTION__ = "receive_message" #11 0x00007f3ed064f295 in do_receive (sp=0x7f3ed76feec8) at receiver.c:593 cnt = 184 n = 184 version = 1 dst = 0x7f3ecb7ef4f4 "" dmsg = 0x7f3ecb7ee9f0 __FUNCTION__ = "do_receive" #12 0x00007f3ed0653068 in receive_loop (original_peer=0x7f3ecb7a00d8) at receiver.c:800 rfds = {__fds_bits = {256, 0 <repeats 15 times>}} efds = {__fds_bits = {0 <repeats 16 times>}} tv = {tv_sec = 0, tv_usec = 999998} n = 1 max = 49 cnt = 1 msg = 0x0 sp = 0x7f3ed76feec8 sp2 = 0x7f3ed76feec8 p = 0x7f3ecb7a00d8 fd = 8 fd_exchange_pipe_local = 49 __FUNCTION__ = "receive_loop" #13 0x00007f3ed064c7c6 in receiver_process (p=0x7f3ecb7a00d8) at receiver.c:459 ---Type <return> to continue, or q <return> to quit--- __FUNCTION__ = "receiver_process" #14 0x00007f3ed05fd7de in diameter_peer_start (blocking=0) at diameter_peer.c:289 pid = 0 k = -1 p = 0x7f3ecb7a00d8 __FUNCTION__ = "diameter_peer_start" #15 0x00007f3ed05ef9b1 in cdp_child_init (rank=0) at cdp_mod.c:243 __FUNCTION__ = "cdp_child_init" #16 0x0000000000544e31 in init_mod_child (m=0x7f3ed7630170, rank=0) at core/sr_module.c:943 __FUNCTION__ = "init_mod_child" #17 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7630e90, rank=0) at core/sr_module.c:939 __FUNCTION__ = "init_mod_child" #18 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7631290, rank=0) at core/sr_module.c:939 __FUNCTION__ = "init_mod_child" #19 0x0000000000544ad3 in init_mod_child (m=0x7f3ed7631700, rank=0) at core/sr_module.c:939 __FUNCTION__ = "init_mod_child" #20 0x0000000000545205 in init_child (rank=0) at core/sr_module.c:970 No locals. #21 0x0000000000424f85 in main_loop () at main.c:1701 i = 32 pid = 7821 si = 0x0 si_desc = "udp receiver child=31 sock=10.10.10.10:5060\000\177\000\000`\336\275\206\375\177\000\000A\307g\000\000\000\000\000`\202A\000\000\000\000\000ȖP\313>\177", '\000' <repeats 14 times>, "\001\000\000\000\260\336\275\206\375\177\000\000\234\240h\000\000\000\000\000 \243w\000\000\000\000\000H\361m\327>\177\000" nrprocs = 32 woneinit = 1 __FUNCTION__ = "main_loop" #22 0x000000000042b87e in main (argc=5, argv=0x7ffd86bde218) at main.c:2638 cfg_stream = 0x2b13020 c = -1 r = 0 tmp = 0x0 tmp_len = 0 port = 0 proto = 0 options = 0x758490 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:" ret = -1 seed = 4201223303 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 4 n_lst = 0x0 p = 0x0 st = {st_dev = 19, st_ino = 82198, st_nlink = 2, st_mode = 16832, st_uid = 995, st_gid = 2, __pad0 = 0, st_rdev = 0, st_size = 60, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1547739314, tv_nsec = 582000000}, st_mtim = {tv_sec = 1547743303, tv_nsec = 194148453}, st_ctim = {tv_sec = 1547743303, tv_nsec = 194148453}, __unused = {0, 0, 0}} __FUNCTION__ = "main" (gdb) -- BR, Denys Pozniak

1 1

event_route[usrloc:contact-expired]
by Javier Valencia 18 Jan '19

18 Jan '19

Hi there! I'm using Kamailio 4.4.3, and I add this code to my Kamailio: event_route[usrloc:contact-expired] { xlog("L_INFO", "EXPIRED CONTACT START\n"); xlog("L_INFO", "EXPIRED CONTACT for $ulc(exp=>aor)\n"); xlog("L_INFO", "EXPIRED CONTACT END\n"); } I can't see this entries in the log. I read many times the docs and code, but I don't understand why it's not working. I have two phone with 60 and 300 expiry seconds, if then expire, when it's event_route[usrloc:contact-expired] triggered? Why this event route it's named as usrloc but it's documented in registrar module? I need to provide more info about? Thank you very much.

3 11

segfault at 0 - process stopped
by AL RSM 18 Jan '19

18 Jan '19

3 2

rtpengine_manage() in async tasks
by Alex Balashov 18 Jan '19

18 Jan '19

Hi, I've run into an issue with handling reinvites in async task workers--which I need to do in order to introduce a small delay to avoid a UA race condition--in which some state that is necessary for rtpengine_manage() to do the right thing seems to be lost. Specifically, if I do this: -- loadmodule "mqueue" loadmodule "rtimer" ... modparam("rtimer", "timer", "name=reinvite_q1;interval=10000u;mode=1;") modparam("rtimer", "exec", "timer=reinvite_q1;route=REINVITE_DEQUEUE") modparam("mqueue", "mqueue", "name=reinvite_q"); ... route { ... if(has_totag()) { if(loose_route()) { ... if(is_method("INVITE")) { if(!t_suspend()) { sl_send_reply("500", "Server Internal Error"); exit; } mq_add("reinvite_q", "$T(id_index):$T(id_label)", ""); } else route(IN_DLG_REQ); exit; } ... } route[REINVITE_DEQUEUE] { while(mq_fetch("reinvite_q")) { $var(id) = $(mqk(reinvite_q){s.select,0,:}{s.int}); $var(label) = $(mqk(reinvite_q){s.select,1,:}{s.int}); t_continue("$var(id)", "$var(label)", "IN_DLG_REQ"); } } route[IN_DLG_REQ] { handle_ruri_alias(); if(is_method("BYE")) rtpengine_manage(); else if(is_method("INVITE") && sdp_content()) rtpengine_manage("replace-origin replace-session-connection ICE=remove") t_on_reply("MAIN_REPLY"); if(!t_relay()) sl_reply_error(); } onreply_route[MAIN_REPLY] { if(is_method("INVITE") && sdp_content()) rtpengine_manage("replace-origin replace-session-connection ICE=remove"); } -- What I find is that if I generate a reinvite from either side, rtpengine_manage() passes through the SDP offer in the reinvite unadulterated, although the answer returns properly adulterated by RTPEngine. The same thing occurs if I use 'async', which as I gather is just a wrapper of convenience around t_suspend/t_continue() anyway. That module won't do for my purposes because I need a millisecond-level delay resolution rather than second-level, anyhow. Anyway, surely enough, this is because the execution context is one that insinuates a stream deletion. When the reinvite offer comes across and I call rtpengine_manage(), the command sent is 'delete': -- Jan 14 20:24:23 staccato.evaristesys.com rtpengine[33830]: INFO: [c94347dcf92e7ccc10dee84c4e0d1c8a]: Received command 'delete' from 209.51.167.66:39788 -- The RTPEngine module documentation actually warns about this: https://kamailio.org/docs/modules/5.2.x/modules/rtpengine.html#rtpengine.f.… But this insight is buried in the fourth bullet point: "If BYE or CANCEL, or called within a FAILURE_ROUTE[], then call rtpengine_delete(). Be careful with calling this function after resuming a suspended transaction (e.g., after t_continue()), because the context of executed route is FAILURE ROUTE (in other words, rtpengine_manage() in the route block of t_continue() does the same as in failure_route)." This would lead one to believe that it applies only in the context of handling a BYE or CANCEL in a resumed transaction, when in fact it seems to hold true of non-BYE/CANCEL and non-failure contexts as well, as can be clearly seen with the reinvite. The behaviour is exactly as expected if I don't use rtpengine_manage() and instead manually call rtpengine_offer()/rtpengine_answer(). And expected behaviour comes from rtpengine_manage() if I don't handle the request in a resumed transaction context. This yields the fundamental question: Is there any way to have my cake and eat it too? I really want to use rtpengine_manage() because I need to handle a potential SDP offer-in-ACK scenario and don't want to do a bunch of state-keeping in order to use the correct choice of rtpengine_{offer|answer}() in the right context, which is a problem rtpengine_manage() solves beautifully. At the same time, I absolutely need the slight reinvite delay that can be accomplished via async processing; a UA on this side has a nasty habit of sending a reinvite almost simultaneously to the 2xx answer for the INVITE transaction, leading to indeterminate egress velocity for those respective messages out of Kamailio worker threads. Many thanks in advance! -- 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/

2 1

authentification issue when nb user increase
by Laurent Schweizer 18 Jan '19

18 Jan '19

Hello, I have a proxy with Kamailio 5.0.6 working since few month without any issue. Around 4500 locations and 5300 contacts This weekend we move a very old proxy (Kamailio 3.3.2 with an old server )to this new one, adding around 14’000 users and 15’000 contacts. Yesterday when calls was starting we get an big issue with this new proxy, lot of phones was disconnected and some calls was rejected. I see that the issue was the authentication (done via a mysql DB with the cluster db module) many phone get a failure and was disconnected, mostly phone connected via TCP or TLS we see less issue with UDP even we have much more . The issue was not the number of TCP/TLS connection as we see the REGISTER and the 401 going back, so connection was correctly done Currently it’s working but I don’t know exactly why ☹, I mean I have done a change but it has really no relation … , during the same time I get another issue, some calls have no voice… We are using rtpengine (on the old proxy we was using rtpproxy) and with the rtproxy we already face a long time ago such case and to solve it we setup multiple rtpproxy (on the same host) So I try to do the same, I setup a second rtpengine on the same host and when I reload the config with : kamcmd rtpengine.reload all registration was working perfectly ... As they is no relation with the registration end the rtpengine I don't know why now it's working. Any idea ? BR Laurent

2 1

Limitation in Dispatcher Probing
by Duarte Rocha 17 Jan '19

17 Jan '19

Greetings, I have a question about Dispatcher's probing. I have it configured with ds_probing_mode = 3 and ds_ping_interval = 60. Currently i have 35 Gateways with state = 8, meaning they will be probed. However, when i do a SIP capture i get a different scenario. Altough Kamailio sends OPTIONS at every 60 seconds it only sends to 16 destinations. Is there a configuration that limits this? What can i do to have every gateway probed? Best Regards, Duarte Rocha

1 0

Dispatcher Probing
by Duarte Rocha 17 Jan '19

17 Jan '19

1 0

AWS binat external -> internal routing and record_route
by Dmitry Sytchev 17 Jan '19

17 Jan '19

Hi all! I have a question that arises in mailing list sometimes, but it is still not clear for me how to work with this. We have AWS instance with standard Amazon bi-nat, so basically communication with external hosts works with listen udp:ip:port advertise ip:port But in case when we need to send external call to internal network by internal ip addresses, we want to have internal host in record-route. As far as I understand, basic recommendation is to use separate port or internal address and select it with appropriate function. Maybe it is more theoretical question, but can we do something to generate correct record-routes and VIA for calls coming from external network to make their softswitches happy, and still maintain internal address in messages going to internal hosts, using single host and port on Kamailio behind nat? Thanks! -- Best regards, Dmitry Sytchev, IT Engineer

3 6

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sr-users January 2019