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39 participants
37513 discussions

advertise transport
by David Villasmil 02 Aug '23

02 Aug '23

Hello guys, I have kamailio behind a TLS->TCP Load Balancer. I'm having problems because the outgoing packets have a record has the correct advertise BUT kamailio is assuming that because the outgoing socket is TCP, it adds ";transport=tcp"... is it possible to set that parameter to tls? Thanks! David Regards, David Villasmil email: david.villasmil.work(a)gmail.com phone: +34669448337

1 1

Saving credentials in yaml/txt format
by max＠telemessage.com 01 Aug '23

01 Aug '23

Hello all, I want to save some credentials for different users I have that are being used in a digest authorization (INVITE), with different realms (I don't want the credentials to be hardcoded). I tried to look at how can I read into my kamalio.cfg from yaml/txt file, but haven't found the right module for this. Thanks in advance, Max

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Help
by Shravan Kumar 28 Jul '23

28 Jul '23

Hello, How can I configure my Kamalio server to work as multihoming for sctp testing... Please ASAP!!

2 1

Re: RTPENGINE - RTP Proxy
by Duarte Rocha 27 Jul '23

27 Jul '23

Hello Alex, Thank you for your answer, I still don't have sound but the behaviour is now different. Is it possible to configure this behaviour on a call by call basis with flags on the rtpengine_manage() function? Or in alternative having it consume the "direction=" attribute on the SDP? Cheers

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Re: RTPENGINE - RTP Proxy
by Duarte Rocha 27 Jul '23

27 Jul '23

1 0

RTPENGINE - RTP Proxy
by Duarte Rocha 26 Jul '23

26 Jul '23

Hello all, I'm currently doing some experiments with RTPENGINE and I need some help configuring it. First scenario i'm under NAT and Kamailio receives an INVITE with a private address, rewrites (c) line on SDP with it's own IP address and relays the message to the destination endpoint. After that the originator receives the 183 Session Progress with kamailio's IP as (c) parameter. After receiving the first RTP packet from the originator the media streams flow normally and I have sound on both sides including ringing. Second scenario I use different equipment that is not under NAT, but the remaining scenario is the same, except the originator doesn't send an RTP packet after the 183 Session Progress. However, in this case, no RTP stream is relayed to the originator and as a consequence it doesn't hear a ring or voice when the call is answered. As i see it, it looks like Kamailio is on passive mode to the A-Leg of the call and waits for a RTP packet to establish its stream. Is this correct? If so, how do i change this behaviour? Cheers

2 1

Re: Kamailio as SIP proxy for an Asterisk with Private IP Address
by Lewis Hutchinson 25 Jul '23

25 Jul '23

This is always a good place to start https://www.fredposner.com/1457/kamailio-behind-nat/ Lewis Mission Labs Limited is registered in England, company number 10040088. Trading Office: The Old Milk Depot, Bacup Rd, Rossendale, BB4 7FE. Registered office: The Scalpel, 18th Floor 52 Lime Street, London, EC3M 7AF. Email confidentiality notice: This message is private and confidential. If you have received this message in error, please notify us and remove it from your system. Please consider the environment before you print this email.

5 6

tcpops: Variable conid on tcp-closed event
by Michal Hajek 24 Jul '23

24 Jul '23

Hi, I have problem with the conid variable, when I use in an event when closing a tcp connection. Simple kamailio.cfg: debug=3 log_stderror=no loadpath "/usr/lib64/kamailio/modules" memdbg=5 memlog=5 log_facility=LOG_LOCAL3 listen=udp:10.10.8.94:5060 listen=tcp:10.10.8.94:5060 loadmodule "sl.so" loadmodule "xlog.so" loadmodule "pv.so" loadmodule "tcpops.so" request_route { xlog("L_INFO", "Welcome TCP conn $conid\n"); exit; } event_route[tcp:closed] { xlog("L_INFO", "Close TCP conn $conid\n"); } Log: kamailio DEBUG: <core> [core/ip_addr.c:577]: print_ip(): tcpconn_new: new tcp connection: 10.10.9.64 kamailio DEBUG: <core> [core/tcp_main.c:1216]: tcpconn_new(): on port 38124, type 2, socket 34 kamailio DEBUG: <core> [core/tcp_main.c:1549]: tcpconn_add(): hashes: 3487:2267:2872, 19 kamailio DEBUG: <core> [core/io_wait.h:375]: io_watch_add(): processing io_watch_add(0xb39c40, 34, 2, 0x14c2479867f0) - fd_no=28 kamailio DEBUG: <core> [core/io_wait.h:600]: io_watch_del(): DBG: io_watch_del (0xb39c40, 34, -1, 0x0) fd_no=29 called kamailio DEBUG: <core> [core/tcp_main.c:4557]: handle_tcpconn_ev(): sending to child, events 2001 kamailio DEBUG: <core> [core/tcp_main.c:4227]: send2child(): selected tcp worker idx:2 proc:14 pid:1203550 for activity on [tcp:10.10.8.94:5060], 0x14c2479867f0 kamailio DEBUG: <core> [core/tcp_read.c:1735]: handle_io(): received n=8 con=0x14c2479867f0, fd=6 kamailio DEBUG: <core> [core/tcp_read.c:284]: tcp_read_data(): EOF on connection 0x14c2479867f0 (state: 3, flags: 4118) - FD 6, bytes 218, rd-flags 10000 ([10.10.9.64]:38124 -> [10.10.9.64]:5060) kamailio DEBUG: <core> [core/tcp_read.c:1533]: tcp_read_req(): content-length=0 kamailio DEBUG: <core> [core/parser/parse_fline.c:249]: parse_first_line(): first line type 1 (request) flags 1 kamailio DEBUG: <core> [core/parser/msg_parser.c:678]: parse_msg(): SIP Request: kamailio DEBUG: <core> [core/parser/msg_parser.c:680]: parse_msg(): method: <OPTIONS> kamailio DEBUG: <core> [core/parser/msg_parser.c:682]: parse_msg(): uri: <sip:100@localhost> kamailio DEBUG: <core> [core/parser/msg_parser.c:684]: parse_msg(): version: <SIP/2.0> kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Via] type 1 kamailio DEBUG: <core> [core/parser/parse_via.c:1303]: parse_via_param(): Found param type 232, <branch> = <z9hG4bKhjhs8ass877>; state=15 kamailio DEBUG: <core> [core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5 kamailio DEBUG: <core> [core/parser/msg_parser.c:554]: parse_headers(): Via found, flags=2 kamailio DEBUG: <core> [core/parser/msg_parser.c:556]: parse_headers(): this is the first via kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Call-ID] type 6 kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [From] type 4 kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [To] type 3 kamailio DEBUG: <core> [core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=10 kamailio DEBUG: <core> [core/parser/msg_parser.c:172]: get_hdr_field(): <To> [20]; uri=[sip:100@localhost] kamailio DEBUG: <core> [core/parser/msg_parser.c:175]: get_hdr_field(): to body (20)[<sip:100@localhost> ], to tag (0)[] kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Content-Length] type 12 kamailio DEBUG: <core> [core/parser/msg_parser.c:186]: get_hdr_field(): content_length=0 kamailio DEBUG: <core> [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [CSeq] type 5 kamailio DEBUG: <core> [core/parser/msg_parser.c:153]: get_hdr_field(): cseq <CSeq>: <63104> <OPTIONS> kamailio DEBUG: <core> [core/receive.c:389]: receive_msg(): --- received sip message - request - call-id: [ahoj423432432] - cseq: [63104 OPTIONS] kamailio DEBUG: {1 ahoj423432432} <core> [core/receive.c:261]: ksr_evrt_pre_routing(): event route core:pre-routing not defined kamailio DEBUG: {1 ahoj423432432} <core> [core/receive.c:471]: receive_msg(): preparing to run routing scripts... kamailio DEBUG: {1 ahoj423432432} <core> [core/tcp_main.c:1645]: _tcpconn_find(): found connection by id: 19 kamailio INFO: {1 ahoj423432432} <script>: Welcome TCP conn 19 kamailio DEBUG: {1 ahoj423432432} <core> [core/receive.c:529]: receive_msg(): request-route executed in: 47 usec kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/usr_avp.c:637]: destroy_avp_list(): destroying list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/xavp.c:640]: xavp_destroy_list(): destroying xavp list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/xavp.c:640]: xavp_destroy_list(): destroying xavp list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/xavp.c:640]: xavp_destroy_list(): destroying xavp list (nil) kamailio DEBUG: {1 ahoj423432432} <core> [core/receive.c:628]: receive_msg(): cleaning up kamailio DEBUG: <core> [core/tcp_read.c:1634]: tcp_read_req(): EOF after reading complete request ([10.10.9.64]:38124 -> [10.10.9.64]:5060) kamailio DEBUG: <core> [core/tcp_read.c:1653]: release_tcpconn(): releasing con 0x14c2479867f0, state -1, fd=6, id=19 ([10.10.9.64]:38124 -> [10.10.9.64]:5060) kamailio DEBUG: <core> [core/tcp_read.c:1657]: release_tcpconn(): extra_data (nil) kamailio DEBUG: <core> [core/tcp_main.c:3653]: handle_tcp_child(): reader response= 14c2479867f0, -1 from 2 kamailio DEBUG: <core> [core/tcp_main.c:3578]: tcp_emit_closed_event(): TCP closed event creation triggered (reason: 0) kamailio DEBUG: tcpops [tcpops.c:295]: tcpops_handle_tcp_closed(): received TCP closed event kamailio DEBUG: tcpops [tcpops.c:249]: tcpops_tcp_closed_run_route(): event reason id: 0 rt: 1 kamailio INFO: <script>: Close TCP conn <null> Can you help me, where is issue?

1 0

Kamailio as SIP proxy for an Asterisk with Private IP Address
by John shuku 24 Jul '23

24 Jul '23

Dear Kamailio users, Im new to kamailio so excuse me if the question doesnt make sense. I have an asterisk server with private IP address behind the NAT . Is it possible to have a Kamailio Server with Public IP Address as a proxy server for my asterisk ? What I want to achieve is that remote users should be able to call internal users who are registered in the Asterisk . The problem here is that Asterisk does not have public IP address and I want the remote users to be registered in my asterisk . Best WishesJ. sh

3 4

Re: Add a digest authorization with password and username (INVITE)
by Max Kemel 20 Jul '23

20 Jul '23

Thank you very much Barry, that was it 🙂 Max Kemel

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