sr-users June 2018

sr-users@lists.kamailio.org

88 participants
119 discussions

Kamailio + FreeSwitch + WebRTC
by Emanuel Gianico 21 Jun '18

21 Jun '18

Hi everybody, I followed this tutorial https://kb.asipto.com/freeswitch:kamailio-3.3.x-freeswitch-1.2.x-sbc#kamail… And it works fantastic! The next step was to add WebRTC support, so I added WebSockets module to enable web clients to register on kamailio. It works flawlessly and webphone clients register OK! (Followed this http://nil.uniza.sk/sip/kamailio/configuring-kamailio-4x-websocket ) Now, when I call from a softphone (eyeBeam) to the web client (jssip) the other party reach okay, rings okay, but when I pickup de call (from the web client), the softphone goes directly to the VoiceMail. >From the logs I see the jssip throw this error: "Failed to set remote offer sdp: Called with SDP without DTLS fingerprint." I would like to avoid RTPEngine, because from what I understand, FreeSwitch can handle the media part. Can somebody please have the kindness to guide me on how to enable webrtc between Kamailio and FreeSwitch? If somebody needs to see the "kamailio.cfg" please let me know, and i would upload the file to a gist. Cheers, Emanuel.

5 10

Kamailio v5.0.7 Released
by Daniel-Constantin Mierla 21 Jun '18

21 Jun '18

Hello, Kamailio SIP Server v5.0.7 stable release is out. This is a maintenance release of the previous stable branch, 5.0, that includes fixes since the release of v5.0.6. There is no change to database schema or configuration language structure that you have to do on previous installations of v5.0.x. Deployments running previous v5.0.x versions are strongly recommended to be upgraded to v5.0.7 or v5.1.x. For more details about version 5.0.7 (including links and guidelines to download the tarball or from GIT repository), visit: * https://www.kamailio.org/w/2018/06/kamailio-v5-0-7-released/ RPM, Debian/Ubuntu packages will be available soon as well. Note: the latest stable branch is 5.1, at this moment with its latest release v5.1.4. See more details about it at: * https://www.kamailio.org/w/kamailio-v5-1-0-release-notes/ Many thanks to all contributing and using Kamailio! Cheers, Daniel -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - www.asipto.com

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can rtpproxy work with webrtc?
by Narasimhaiah, Vinod Maralenahalli 21 Jun '18

21 Jun '18

Hi, I configured the kamailio with rtpengine and the calls betwwn webrtc-clients and sip-clients working fine, Does rtpproxy supports the webrtc, and is there any additional configuration is required. Thank you vinod.M.N -- To download the app, click: iOS <http://goo.gl/ZJx3y1> | Android <http://goo.gl/G1ehjZ> -- ***This transmission contains information that is confidential and proprietary of Kirusa Inc.,its affiliates and/or its partners and customers. This information is intended to be shared only with the recipient of this e-mail who is bound by confidentiality. If you received this e-mail in error, please delete the e-mail and notify the sender by return e-mail.***

1 0

Releasing v5.0.7
by Daniel-Constantin Mierla 21 Jun '18

21 Jun '18

Hello, I am considering to release Kamailio v5.0.7, out of git branch 5.0, sometime next week, likely to happen on Thursday, June 21. As usual, if there is any issue not reported yet on github, do it a soon as possible to have a chance to investigate. Soon I will review and backport the commits that apply from branch 5.1 back to 5.0, so keep an eye and notify us if a patch you expect to be in 5.0 is not backported. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference -- www.kamailioworld.com

1 1

Kamailio 5.1.2 and Module PDB: pdb_query returns always 0
by Stefan Rüetschli 20 Jun '18

20 Jun '18

Hi I have here Kamailio 5.1.2 with PDB Module. I use the documented function from PDB-Module as follows: pdb_query("$rU", "$avp(i:82)"); xlog("L_INFO","PDB result $rU: $avp(i:82)\n"); The problem is, that $avp(i:82) is always 0. If I test the PDB-Server, with "pdbt -r localhost:5574 query <phonenumber>" I get a valid response. I use this already with Kamailio 4.3.6 and there it is working. https://kamailio.org/docs/modules/5.1.x/modules/pdb.html Any ideas? Thanks & regards Stefan

2 8

New blog article: Kamailio as an SBC - five years on
by Alex Balashov 20 Jun '18

20 Jun '18

This is an update to my original 2013 article on this topic: http://www.evaristesys.com/blog/kamailio-as-an-sbc-five-years-on/ -- 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/

5 6

Kamailio IMS PCSCF database problem
by tyd 20 Jun '18

20 Jun '18

Dear sir, I'm using Kamailio 4.4.0 and 5.1.4 IMS module. During using SIPp 3000 subscriber register testing, after enabling PCSCF DB URL function, the contents of 3000 subscribers on PCSCF location table are the same. Using the same IP address and UDP port of 3000 SIPp REGISTER message seems to be the problem. Anyone can help me? Thanks a lot.

1 0

KEMI routing script Python exceptions with empty traceback
by Michael Loughrey 19 Jun '18

19 Jun '18

Hi All, I'm using app_python with a KEMI Python routing script. I have been getting occasional Python exception error logs : kamailio[2242]: 8(2253) ERROR: app_python [python_support.c:150]: python_handle_exception(): python_exec2: Unhandled exception in the Python code: kamailio[2242]: TypeError: an integer is required The scripts seems to function without an issue but these error logs appear fairly frequently, always with an empty Python stack trace. I am running Kamailio 5.1 on a Debian 9 system and using Python 2.7 : >>:/usr/local/etc/kamailio# python --version Python 2.7.13 >>:/usr/local/etc/kamailio# kamailio -v version: kamailio 5.1.4 (x86_64/linux) flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, 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: unknown compiled on 18:56:43 Jun 8 2018 with gcc 6.3.0 I have also tried using a Kamailio load built from the master branch (commit f8b8cecb) which gives enhanced exception logging identifying the function an exception occurs within and parameters. I see this occurring in different parts of the routing script e.g. from script def ksr_onsend_route(self,msg): KSR.xlog.xdbg("ONSEND_ROUTE fs=[$fs] $mb\n"); return 1; an exception is reported within ksr_onsend_route() even when the log level is info. Changing log to xlog.xinfo, the log is seen to be sent to syslog but again the exception is reported. These exceptions are always "TypeError: an integer is required" but don't seem related to the Python script. Here is an example of the log with a patch applied to to Kamailio 5.1 to show the function the exception is reported within. kamailio[14092]: 6(14103) ERROR: app_python [python_support.c:156]: python_handle_exception(): apy_exec: ksr_reply_route((null)): Unhandled exception in the Python code: kamailio[14092]: TypeError: an integer is required . . . kamailio[14092]: 22(14119) INFO: <script>: ONSEND_ROUTE fs=[udp: 10.0.31.126:5080] ACK sip:10008@media.test.io:5061;transport=TLS SIP/2.0 . . . . kamailio[14092]: 22(14119) ERROR: app_python [python_support.c:156]: python_handle_exception(): apy_exec: ksr_onsend_route((null)): Unhandled exception in the Python code: kamailio[14092]: TypeError: an integer is required Has anyone got an idea what can be causing these exceptions and how to avoid them? Currently I have simply patched the load to drop the level of this log to debug when such an exception occurs with an empty traceback as they seem spurious. Cheers Mike

2 3

Installing RTPengine on CentOS 7
by Francisco Valentin Vinagrero 19 Jun '18

19 Jun '18

Hi, I'm trying to install RTPengine in the same machine as I have Kamailio, running CentOS 7, but there are a few dependencies that yum cannot seem to resolve and I that cannot find anywhere else. As soon as I try to build the daemon it produces these errors: make[1]: Leaving directory `/usr/local/src/rtpengine/daemon' Failed build with ../lib/fix_frame_channel_layout-01.h Trying build with ../lib/fix_frame_channel_layout-02.h make[1]: Entering directory `/usr/local/src/rtpengine/daemon' rm -f "resample.c" echo '/******** GENERATED FILE ********/' > "resample.c" cat ../lib/"resample.c" >> "resample.c" Package libevent_pthreads was not found in the pkg-config search path. Perhaps you should add the directory containing `libevent_pthreads.pc' to the PKG_CONFIG_PATH environment variable No package 'libevent_pthreads' found Package libavcodec was not found in the pkg-config search path. Perhaps you should add the directory containing `libavcodec.pc' to the PKG_CONFIG_PATH environment variable No package 'libavcodec' found Package libavformat was not found in the pkg-config search path. Perhaps you should add the directory containing `libavformat.pc' to the PKG_CONFIG_PATH environment variable No package 'libavformat' found Package libavutil was not found in the pkg-config search path. Perhaps you should add the directory containing `libavutil.pc' to the PKG_CONFIG_PATH environment variable No package 'libavutil' found Package libswresample was not found in the pkg-config search path. Perhaps you should add the directory containing `libswresample.pc' to the PKG_CONFIG_PATH environment variable No package 'libswresample' found Package libavfilter was not found in the pkg-config search path. Perhaps you should add the directory containing `libavfilter.pc' to the PKG_CONFIG_PATH environment variable No package 'libavfilter' found So, in the end, at least 'libevent_pthreads','libavcodec', 'libavformat', 'libavutil', 'libswresample' and 'libavfilter' are missing. Trying to install them one by one with yum fails because it cannot find these packages for CentOs 7. Can anyone point me to a solution for this? Thanks, Francisco.

3 2

Re: [SR-Users] Textops Regex
by Duarte Rocha 19 Jun '18

19 Jun '18

You're right, it is application/sdp and the back slash works as escape character. However, a new problem came. I'm using this, since someone upstream is adding \r\n to a part of the body : replace_body_all("application\/sdp\r\n\r\n", "application/sdp\r\n"); The regex finds the application/sdp just right, but doesn't replace everything. So, as a final result i get applicationapplication\sdp\r\n. Is this intended? Thanks for your help

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sr-users June 2018