sr-users December 2022

sr-users@lists.kamailio.org

54 participants
62 discussions

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stream, for such cases, is it possible? Any pointers would be great. -- Michael Vasilenko

1 year, 4 months

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fgets failed: Illegal seek. It happens when 2 end points try to set up a session and one of them cancels it before any end-to-end connection is established. Has anyone found this problem before? 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--0__=PnXC9kr0ykdwrnb6uT2PR1PNFM05c9HrUcAPjHVL7TjiDE1fTDc3v998-- ------<80256CDA.004DFAC0.00@ruddick> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit ******************************************************************************* Important. 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1 year, 4 months

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by None

Please give me an example of their interaction. Could I use B2BUA without SER(and without any SIP proxy)? Thanks Igor Vasiliev >

1 year, 4 months

Re: [SR-Users] sr-users Digest, Vol 211, Issue 8

by Pooja Yadav

Hi Daniel and Everyone, Thanks for the inputs. We understand that Kamailio is a SIP signalling server irrespective of any core. But we have seen a thread in Open5Gs community where they established the call with Kamailio IMS. Below thread is for your reference. https://open5gs.org/open5gs/docs/tutorial/02-VoLTE-setup/ If you have any inputs on this it is most welcome. We just want to check the feasibility of establishing voice/video call with 5G core. Your inputs will be appreciated. Thanks and regards Pooja Yadav > On 09-Dec-2022, at 4:33 PM, sr-users-request(a)lists.kamailio.org wrote: >

1 year, 4 months

Delays sending over WSS

by Alex Balashov

Hi, I’ve run into stubbornly persistent problems with packets not reaching WSS clients until some seconds (5-6s or more!) after they were supposedly sent. The symptom is that Kamailio logs the event as sent at 20:00:00, including in the onsend_route, but in actual reality it takes quite a bit longer to send at the OS network stack level. This happens occasionally and quite universally, with no discernible pattern tied to particular endpoints, networks, etc. For a long time, I’ve just assumed this was a receive delay, since Kamailio logged an expectedly prompt relay time. I figured it was an application or browser execution delay and had nothing to do with networking. Based on what we know about the capriciousness of browsers and their internal task scheduling, this seemed rather plausible. However, I’ve since been able to ascertain that this is not the right understanding of the problem, because a parallel and unrelated WS keepalive, going from a different backend to the same application/browser tab/event loop, is consistently replied to in a timely manner. Anyway, I’m curious what else can be done to debug and/or fix this. I did turn up the size of my write buffers — tcp_wq_conn_max and the global one — quite a lot, some time ago and for unrelated reasons. I wonder if this might actually make the problem worse, since it leads to more bytes queued to send to an endpoint on the other side that could, conceivably, not be reading them fast enough. But I also wonder if this is tied up in some low-level TLS or WS parameters unrelated to more general TCP configuration. Thanks much! — Alex — Sent from mobile, apologies for brevity and errors.

1 year, 4 months

Kamailio SIP client registration issue

by Shiva Shankar Chittallu

Hi Team, I have installed kamailio sip server 5.5.5 version in ubuntu 20.04 in AWS instance with public IP. When im trying to register an device im getting below error in the syslog. Thanks & Regards Shiva 9100663346

1 year, 4 months

Does Kamailio supports Voice and Video call support for 5G Core

by Pooja Yadav

Hi Kamailio community, We just want to check does Kamailio IMS supports the functionality of Voice and Video call support (Vo5G) with 5G core? If yes, please share the document reference. Else, please guide us when it will be available. Any plans in upcoming release to support HTTP2 based SBI interface between P- CSCF and PCF. Your inputs will be highly appreciated. Thanks & Regards, Pooja Yadav

1 year, 4 months

Next online devel meeting - Thu, Dec 8, 2022, 15:00UTC

by Daniel-Constantin Mierla

Hello, to summarize what happened at the devel meeting in Dusseldorf a few weeks ago and plan the next steps for the project, we are planning an online development meeting on Thu, Dec 8, 2022, 15:00UTC. As usual, one of the targets is to sketch the roadmap to next major release so the developers and community members can syncronize and plan what should be done till Kamailio v5.7 (or 6.0) will be out as well as discuss about current state of the project, look for new ideas to improve collaboration within the community, a.s.o. The meeting will be done on a matrix chat room. More details are in the wiki page of the event, available at: * https://github.com/kamailio/kamailio-wiki/blob/main/docs/devel/irc-meetings… Feel free to add there topics that you want to be discussed. The proposed date is Thursday, December 08, 2022, at 15:00UTC (15:00 London/Dublin, 16:00 most of West Europe, 10:00 New York), but other dates can be proposed if they suit for more participants. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda _______________________________________________ Kamailio (SER) - Development Mailing List sr-dev(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-dev

1 year, 4 months

Outgoing SIP/TLS connection error (msg_send_buffer(): tcp_send failed)

by Denys Pozniak

Hello! We use trunk with Twilio through a SIP/TLS. They establish incoming calls from random ports, like: (Twilio)3.3.3.3:54321 --> (Kamailio)2.2.2.2:5061 In case of sending in-dialog requests to them, Kamailio should establish an outgoing connection to the dst port 5061 (as per Route), like: (Kamailio)2.2.2.2 --> (Twilio)3.3.3.3:5061 But as per tcpdump traces and logs, Kamailio does not even try to establish an outgoing connection to Twilio. There should be no problems with routes and the network on that server, as regular telnet to Twilio shows that 5061 is open. What could be the reason and how to debug? *Script:* onsend_route { xlog("L_ERR","[$cfg(route)]*RELAY ONSEND* $rm / $du / $fs / $fsn / [$ci]\n"); } *Syslog:* DEBUG <core> [core/resolve.c:1259]: srv_sip_resolvehost(): 3.3.3.3:5061 proto=3 DEBUG <core> [core/resolve.c:1371]: srv_sip_resolvehost(): returning 0x55acd63a63c0 (3.3.3.3:5061 proto=3) ERROR <script>: [DEFAULT_SEND]*RELAY ONSEND* REFER / sip:3.3.3.3:5061;transport=tls / tls:10.1.1.1:5061 / sip_wan_tls / [123] DEBUG tm [../../core/forward.h:277]: msg_send_buffer(): sending to: 3.3.3.3:5061, force_socket=4, send_sock=0x7f090049b8e8 DEBUG tm [../../core/forward.h:292]: msg_send_buffer(): tcp_send failed DEBUG tm [t_fwd.c:1568]: t_send_branch(): send to 3.3.3.3:5061 (3) failed WARNING: tm [t_fwd.c:1588]: t_send_branch(): sending request on branch 0 failed DEBUG tm [t_funcs.c:335]: t_relay_to(): t_forward_nonack returned error -1 (-477) DEBUG tm [t_funcs.c:353]: t_relay_to(): -477 error reply generation delayed DEBUG sl [sl_funcs.c:558]: sl_run_callbacks(): execute callback for event type 1 *Software:* - Kamailio is listening on (+udp, +tcp): tls: 10.1.1.1:5061 name sip_wan_tls advertise 2.2.2.2:5061 - OS is Debian 11.5 - # kamailio -v version: kamailio 5.6.2 (x86_64/linux) flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, 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_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: unknown compiled with gcc 10.2.1 - # dpkg -l | grep ssl ii libssl1.1:amd64 1.1.1n-0+deb11u3 amd64 Secure Sockets Layer toolkit - shared libraries ii openssl 1.1.1n-0+deb11u3 amd64 Secure Sockets Layer toolkit - cryptographic utility -- BR, Denys Pozniak

1 year, 4 months

KAMCTL error

by Govind Swamy

[image: Error in KAMCTL.png] Hi am unable to create using kamctl

1 year, 4 months

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sr-users December 2022