- sr-users - kamailio.org

Lua KEMI crash
by Ivaylo Markov 13 Aug '18

13 Aug '18

Hello, I have Kamailio 5.1.4 (from deb.kamailio.org) running on a Debian 9 AMD64 VM with 1 CPU and 1G of RAM on ESXi. For KEMI I am using the liblua5.1-0:amd64 package, version 5.1.5-8.1+b2. The configuration is rather simple - dispatcher module reading the gateways from a file and forwarding everything to them based on a custom variable. There are 2 gateways in the file being pinged with OPTIONS packets every 10 seconds. Only a single SIP user is connecting to the machine (besides the occasional scanner). I can post the config if necessary, but I don't think that is the issue (see below). The crash has happened twice already - once on 2018-08-07 19:45 and 2018-08-08 14:33 EEST. You can find an excerpt from the Kamailio debug log at https://paste.fedoraproject.org/paste/bvyUMj3s5g2CcBN3JSBt5A/raw. As you can see, it crashes when trying to run the Lua route on an incoming packet. I am assuming the problem is this: Aug 8 14:33:14 lb-dev1 kamailio[13209]: *** Error in `/usr/sbin/kamailio': realloc(): invalid next size: 0x00005573dbff1ef0 *** However, I could not find any (direct) `realloc()` calls in the source for app_lua, so maybe this is an issue somehwere in liblua... Thoughts? Ivaylo

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USRLOC db_mode=4 and server_id
by Darren Williams 13 Aug '18

13 Aug '18

I am currently using multiple instances of Kamailio with a common database and using the usrloc module with db_mode=4 and server_id to filter the contacts that get loaded at startup on each server. The problem I seem to have is that using the RPC call ul.add there I cannot see any parameter to send to specify the server_id. The server_id that the contact is given is 0. If I manually go into the db and modify the server_id everything works as expected. I think I must be missing something somehwere as I'mn sure you shouldn't need to do this. Can anyone help please. Thanks Daz

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Kamailio TLS + letsencrypt
by Amar Tinawi 13 Aug '18

13 Aug '18

Hello i'm wondering if i can generate tls certificate for kamailio using letsencrypt with test domain name, in testing enviroment following this post : https://www.fredposner.com/1836/kamailio-tls-and-letsencrypt/ got an error by letsecrypt because of checking of the domain name authority and no certificate was generated. Regards

3 2

mysql version
by Wilkins, Steve 12 Aug '18

12 Aug '18

Hello All, When Kamailio installs, it installs mysql 8.0. I would like it to install mysql 5.7. Is there a way to force this? Thank you

2 1

MYSQL and various
by Laura 12 Aug '18

12 Aug '18

Dear list, on my kamailio 4.4.7 i use interactions with MYSQL. For example .. i use it for some black list control and other like this.. sql_query("cb", "select id from blacklist where cli='$var(g2)' and (ippeer = '$si' or ippeer = 'ALL')", "rabl"); if($dbr(rabl=>rows)>0){ sql_result_free("rabl"); sl_send_reply("403","Forbidden blacklist"); exit; } sql_result_free("rabl"); I was wonder what was the best method to prevent the query going on if mysql don't respond for high load or other situation.. If Mysql is not able to reply to the query tight now the call continue over the configuration... what is the best way to prevent this and for examples drop it with a standard SIP 503 error. I have search on docs.. but i haven't found any valid way. Thanks Laura

2 1

problem with rewriteuri
by Eric Hosch 12 Aug '18

12 Aug '18

If I manually pass a string value to rewriteuri it works, but if I pass the same string from a database value it doesn't: if ($dbr(ra=>[0,4]) == "callfwd_noanswer") { $ does not work --> rewriteuri("$dbr(ra=>[0,6])"); works --> rewriteuri("sip:someone@somewhere"); append_branch(); route(0); Eric Hosch Chief Engineer KLBK-TV | KAMC-TV 7403 S. University Ave. Lubbock, TX 79423 O * 806.748.2208<tel:806.748.2208> F * 806.748.2269<tel:806.748.2269> ehosch(a)klbk13.tv<mailto:ehosch@klbk13.tv> www.everythinglubbock.com<http://www.everythinglubbock.com/> [Nexstar Media Group, Inc. | everythinglubbock.com | KLBK-TV | KAMC-TV] Nexstar Media Group, Inc. provides services for KAMC-TV and Mission Broadcasting, Inc. through an Outsourcing Agreement. KLBK and KAMC do not discriminate in advertising contracts on the basis of race, ethnicity or gender and further requires that in the performance of all KLBK/KAMC advertising agreements. KLBK/KAMC requires that each party not discriminate on the basis of race or ethnicity. This e-mail and any files transmitted with it are the property of NexstarMedia Group, Inc., are confidential, and are intended solely for the use of the individual or entity to whom this e-mail is addressed and/or as indicated in the applicable file. If you are not one of the named recipient(s) or otherwise have reason to believe that you have received this message in error, please notify the sender and delete this message immediately from your computer. Any other use, retention, dissemination, forwarding, printing or copying of this e-mail is strictly prohibited.

2 1

Nat issue
by eyas barhouk 11 Aug '18

11 Aug '18

hello dears when i'm using kamailio 5.2 as IMS i'm facing the following NAT issue : * when p-cscf handle a call from user1 to user2 that pre-registered on private address "192.X.X.X" (on another LAN) the user can't receive the invite message . in another word: proxy ip : 10.192.X.X user1 ip : 10.X.X.X user2 ip : 192.X.X.X the call scenario : user1 ---invite----> user2 (not arrived) * when p-cscf handle a call from user2 that pre-registered on private IP "192.X.X.X" (on another LAN) to user1 the user receive the invite message . the call scenario : user2 ---invite----> user1 (arrived) * when both of the user on different LANs the message 200 OK doesn't arrive to proxy :\ so based on that does any one has an experiment with NAT handling & nathelper module and how to configure it on P-cscf . thanks in advance

2 2

Ratio between cores ram and kamailio limits
by Renato Gallo 10 Aug '18

10 Aug '18

Hello, We're here to ask you what's the ratio between cpu cores/ghz, ram and how many contemporary calls kamailio can manage before it maxes out its capabilities and crash. Kind Regards Renato Gallo System Engineer sede legale e operativa: Via San brunone, 13 - 20156 - Milano (MI) Tel. +39 02 - 87049490 Fax +39 02 - 48677349 Mobile. +39 342 - 6350524 Wi | FreeNumbers: https://freenumbers.way-interactive.com Wi | SMS: https://sms.way-interactive.com Wi | Voip: https://voip.way-interactive.com Asterweb: http://www.asterweb.org Le informazioni contenute in questo messaggio e negli eventuali allegati sono riservate e per uso esclusivo del destinatario. Persone diverse dallo stesso non possono copiare o distribuire il messaggio a terzi. Chiunque riceva questo messaggio per errore è pregato di distruggerlo e di informare immediatamente [ mailto:info@sigmaware.it | info@ ] asterweb.org

2 1

UDP workers block when one or more rtpengine instances go offline
by Sebastian Damm 10 Aug '18

10 Aug '18

Hi, we run multiple rtpengine servers to share the load. Whenever we need to take an rtpengine server offline, we used to just block the control port via iptables, then no new calls ended up on this instance of rtpengine. This worked pretty well in Kamailio 4.4.5. However, since Kamailio 5.0, and the problem persists with 5.1.4, Kamailio hangs almost immediately after we block the control port traffic. In the log file there are almost no packets processed except every few seconds, which looks like a timeout thing. Did we configure anything wrong there? Or is the "dead rtpengine detection" just broken? Our configuration: loadmodule "rtpengine.so" modparam("rtpengine", "rtpengine_disable_tout", 120) modparam("rtpengine", "setid_avp", "$avp(rtpsetid)") modparam("rtpengine", "rtpengine_sock", "0 == udp:1.2.3.4:9001=2 udp:1.2.3.5:9001=2 udp:1.2.3.6:9001=2") modparam("rtpengine", "rtpengine_sock", "1 == udp:2.3.4.5:9001=2") Any help appreciated. Regards, Sebastian

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kamcmd htable.reload propertiesHash problem
by Ginhoux, Patrick 10 Aug '18

10 Aug '18

Hi, I run Kamailio 5.0.1 with MariaDB database. There is no issue at the initialization, meaning the db is opened by kamailio and the hash tables loaded from the db tables. Example: # kamcmd htable.dump propertiesHash { entry: 1 size: 1 slot: { item: { name: cfg.env But the htable.reload command fails: error: 500 - Failed to open htable db connection The Kamailio log reports that it can't connect the db : DEBUG: ctl [../../core/io_wait.h:380]: io_watch_add(): DBG: io_watch_add(0x7f68c74ab300, 10, 3, 0xdc9410), fd_no=1 DEBUG: ctl [io_listener.c:442]: handle_new_connect(): handle_stream read: new connection (1) on /var/run/kamailio//kamailio_ctl DEBUG: <core> [core/sr_module.c:694]: find_mod_export_record(): find_export_record: found <db_bind_api> in module db_mysql [/usr/lib64/kamailio/modules/db_mysql.so] DEBUG: <core> [db.c:209]: db_bind_mod(): using db bind api for db_mysql DEBUG: <core> [db.c:314]: db_do_init2(): connection 0x7f68cc354c10 not found in pool DEBUG: db_mysql [km_my_con.c:98]: db_mysql_new_connection(): opening connection: mysql://xxxx:xxxx@/siprouter ERROR: db_mysql [km_my_con.c:124]: db_mysql_new_connection(): driver error: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2 "No such file or directory") ERROR: <core> [db.c:318]: db_do_init2(): could not add connection to the pool ERROR: htable [ht_db.c:92]: ht_db_open_con(): failed to connect to the database My local db is located at /myqdata/mysiprdb/data where is the mysiprdb.sock file. But the log shows that Kamailio is looking for /var/lib/mysql/mysql.sock. Does this error make sense to you ? Is it possible to fix this problem by configuration in Kamailio ? My kamailio.cfg script contains : # ----- htable modparam("htable", "db_url", "mysql://[kamailio]/siprouter") modparam("htable", "fetch_rows", 1000) modparam("htable", "htable", "mbxrangeHash=>size=4;dbtable=mbxrange;") modparam("htable", "htable", "abpqHash=>size=12;dbtable=abpq;") modparam("htable", "htable", "zabpqHash=>size=12;dbtable=zabpq;") modparam("htable", "htable", "propertiesHash=>size=4;dbtable=properties;") In the /myqdata/mysiprdb/data/my.cnf, I added the following entries for Kamailio: [kamailio] socket = /myqdata/mysiprdb/data/mysiprdb.sock user = siprouter password = ########## default-character-set = utf8 Thanks all for help. Cordialement. Patrick GINHOUX

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Kamailio troubleshooting
by Sergey Safarov 09 Aug '18

09 Aug '18

One my server with perl external script time to time is stopping processing SIP messages. Perl script make calls to kamailio database on mysql. I have found this in logs DEBUG: <core> [core/io_wait.h:380]: io_watch_add(): DBG: io_watch_add(0x56427eb40c40, 495, 2, 0x7f1a9f9ba408), fd_no=33 DEBUG: <core> [core/io_wait.h:602]: io_watch_del(): DBG: io_watch_del (0x56427eb40c40, 495, -1, 0x0) fd_no=34 called DEBUG: <core> [core/tcp_main.c:4196]: handle_tcpconn_ev(): sending to child, events 1 DEBUG: <core> [core/tcp_main.c:3871]: send2child(): WARNING: no free tcp receiver, connection passed to the least busy one (56) DEBUG: <core> [core/tcp_main.c:3875]: send2child(): selected tcp worker 4 20(24) for activity on [tcp:0.0.0.0:81], 0x7f1a9f9ba408 And no next messages. How get info what is load on "tcp receiver". This host in dev mode and handles not more 5 devices. Sergey

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Re: [SR-Users] problem with compiling kamailio version 5.1.4 including a private Module
by Abdulaziz Alghosh 09 Aug '18

09 Aug '18

Hello Henning, thanks a lot for your response and explanation. strutils.[c,h] and strcommon.[c,h] are almost the same. So I modified my included header from stcommon[] to strutils as you mentioned. Unfortunately, I surfed sequentially Kamailio version upgrades. Even though, i did not found such hints about this modification. So I have some doubts the called headers and codes from our own module. Hence, I am asking for yor advice. What I am trying to do now is compiliing our module separately under it is own directory so I gain the Shared Object file (.so). Somehow our Module is requring cds, presence and xcap libraries. But the strange thing is that headers from these libraries are #including other headers assuming these included header files are under the same library's directory (but in fact most of the header files are under ../src/core/). For example : Making in cds CC (gcc) [L libser_cds.so.0.1] cds.o In file included from cds.c:2: /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/memory.h:125:21: warning: mem/mem.h: No such file or directory /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/memory.h:126:25: warning: mem/shm_mem.h: No such file or directory In file included from cds.c:3: /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/sync.h:30:22: warning: locking.h: No such file or directory In file included from cds.c:4: /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/logger.h:42:20: error: dprint.h: No such file or directory make[2]: *** [cds.o] Error 1 make[1]: [cds] Error 2 (ignored) Those libraries are delivered with version 5.1.4 itself so i do not think it is a good idea to modify the paths of the included header files to compile my module. because most probably these libraries are needed by standard default modules of kamailio. I hope this is not too much for you to inspect. Note: The attached has the log files ( resulting from make all and install ) . Your kind response is highly appreciated BR Abdulaziz On Thu, Aug 9, 2018 at 11:31 AM, Abdulaziz Alghosh <aziz647(a)gmail.com> wrote: > Hello Henning, > > thanks a lot for your response and explanation. strutils.[c,h] and > strcommon.[c,h] are almost the same. So I modified my included header from > stcommon[] to strutils as you mentioned. > Unfortunately, I surfed sequentially Kamailio version upgrades. Even > though, i did not found such hints about this modification. So I have some > doubts the called headers and codes from our own module. Hence, I am asking > for yor advice. > > What I am trying to do now is compiliing our module separately under it is > own directory so I gain the Shared Object file (.so). Somehow our Module is > requring cds, presence and xcap libraries. But the strange thing is that > headers from these libraries are #including other headers assuming these > included header files are under the same library's directory (but in fact > most of the header files are under ../src/core/). For example : > > Making in cds > CC (gcc) [L libser_cds.so.0.1] cds.o > In file included from cds.c:2: > /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/memory.h:125:21: > warning: mem/mem.h: No such file or directory > /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/memory.h:126:25: > warning: mem/shm_mem.h: No such file or directory > In file included from cds.c:3: > /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/sync.h:30:22: > warning: locking.h: No such file or directory > In file included from cds.c:4: > /Abdul/install/clean_test/kamailio-5.1.4/src/lib/cds/../cds/logger.h:42:20: > error: dprint.h: No such file or directory > make[2]: *** [cds.o] Error 1 > make[1]: [cds] Error 2 (ignored) > > > Those libraries are delivered with version 5.1.4 itself so i do not think > it is a good idea to modify the paths of the included header files to > compile my module. because most probably these libraries are needed by > standard default modules of kamailio. > > I hope this is not too much for you to inspect. > Note: The attached has the log files ( resulting from make all and install > ) . > > Your kind response is highly appreciated > Abdulaziz > > > On Thu, Aug 9, 2018 at 8:11 AM, Henning Westerholt <hw(a)kamailio.org> > wrote: > >> Am Mittwoch, 8. August 2018, 17:47:07 CEST schrieb Abdulaziz Alghosh: >> > i am somehow newbie with Kamailio and trying to migrate from kamailio >> > version 3.0.3 to 5.1.4. Former fellows had developed own modules which >> > needed "strcommon.h" and "strcommon.c". >> > >> > These last two files are not delievered with version 5.1.4. but I copied >> > them under ../src/core/ thinking it would be beneficial. Unfortunately, >> > after make prefix / (and including our own module) all, it seem that >> > several dependencies exist. Especially from header files under >> > ..src/lib/xcap/ and ../src/lib/presence >> > >> > Can somebody tell me how "strcommon.h" and "strcommon.c" where >> replaced in >> > version 5.1.4 ? >> >> Hello Abdul, >> >> the functions in strcommon.[c,h] were moved into src/core/strutils.[c,h] >> in >> releases starting from 5.0. I'd suggest to have a look to the file to >> verify >> if there are no other changes. >> >> Best regards, >> >> Henning >> -- >> Henning Westerholt >> https://skalatan.de/blog/ >> > >

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problem with compiling kamailio version 5.1.4 including a private Module
by Abdulaziz Alghosh 09 Aug '18

09 Aug '18

Greetings, i am somehow newbie with Kamailio and trying to migrate from kamailio version 3.0.3 to 5.1.4. Former fellows had developed own modules which needed "strcommon.h" and "strcommon.c". These last two files are not delievered with version 5.1.4. but I copied them under ../src/core/ thinking it would be beneficial. Unfortunately, after make prefix / (and including our own module) all, it seem that several dependencies exist. Especially from header files under ..src/lib/xcap/ and ../src/lib/presence Can somebody tell me how "strcommon.h" and "strcommon.c" where replaced in version 5.1.4 ? Best regards Abdul Aziz

2 1

Questions about changes between 5.0.1 and 5.0.7
by Ginhoux, Patrick 08 Aug '18

08 Aug '18

Hi, Following a problem with the kamcmd htable.reload with Kamailio 5.0.1 (see related thread for this), I have upgraded to the 5.0.7 level (with some difficulties due to my specific environment). My server runs the RHEL 7.4 distribution. Now the upgrade is complete, I notice that that are changes not really documented: - The kamailio-perl-5.0.7-1.el7.x86_64.rpm requires to install the mod_perl module that doesn't exist anymore in RHEL 7. It needs to be installed from the EPEL repository - The init script for kamailio has been changed from the old method to the fully compliant method for system unit for RHEL 7 for example: With the 5.0.1 level we have the "/etc/rc.d/init.d/kamailio" With the 5.0.7 level we have now the "/usr/lib/systemd/system/kamailio.service" So my questions/comments are : - Why the mod_perl module is required between 5.0.1 and 5.0.7 (question posted in the attached message) ? - In the previous kamailo init script, I added a condition to start MySQL before kamailio by adding this entry in the script : # Required-Start: $syslog $network $mysqld The new script contains the After command : [Unit] Description=Kamailio (OpenSER) - the Open Source SIP Server After=network.target Should I change the After line with this : After=network.target mysql.target to have the same condition? In all the cases, some documentation must be changed to provide more details. Thanks in advance for the answers. Cordialement. Patrick GINHOUX

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RTPEngine UDP receive queue issue
by Alex Balashov 08 Aug '18

08 Aug '18

Hi, We have an RTPEngine that occasionally finds itself in this state of CPU usage: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 25476 root 20 0 2929600 80820 1900 S 156.2 0.1 259:05.54 rtpengine The journal is a dizzying stream of: Aug 06 20:58:47 gw1 rtpengine[25476]: ERR: [1074537188_44545952 port 61666]: Too many packets in UDP receive queue (more than 50), aborting loop. Dropped packets possible It eventually leads to increasing CPU usage and a degeneration of audio quality until RTPEngine is restarted. It would be appreciated if someone could shed some light on the nature of this queue and what we can do about this problem. Is this referring to a netfilter packet forwarding queue, or is it a receive queue of the RTPengine user space control process? Can its size be increased or tweaked with kernel parameters? Thanks, -- 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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sipwise/sems for video
by Amar Tinawi 08 Aug '18

08 Aug '18

Hello i don't know if the question is related to this list, but as far as i'm using Kamailio i though i should ask here i'm using Kamailio and sems as media server, the audio is passing through fine but when it comes to Video, SEMS block it, in the outgoing SDP m=video is removed with it's codec my question is does sems support Video ? or is there any tuning for sems to allow Video media streams ? Cheers Amar

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Regarding OpenSource Meetup in India
by surendra tiwari 08 Aug '18

08 Aug '18

Hello Guys, We are having a Meetup for Telecommunication Geeks. We are talking around Opensource Technology for building telecommunication solution. Here's the agenda for our first meetup. We do have one slot open. Please contact us or drop a comment if you want to present. Hoping that everyone would have fun geeking out on telecom and voip tech. 10:00 - 10:25 - How VOIP is changing the Communication landscape - Rajat Dwivedi 10:30 - 10:55 - Generic VoIP Solutions on the cloud - Chandra Prakash Singh 10:55 - 11:10 - Break 11:10 - 11:35 - Developing VoIP solutions using Open Source Tech - Surendra Tiwari 11:40 - 12:05 - WebRTC: Telephony in your browser - Altanai Bisht 12:05 - 12:30 - Open Slot (looking for speakers) 12:30 - 1:30 - Lunch + Networking 13:30 - 14:15 - Birds of a Feather Session (BoF) Please RSVP. With Regards, Surendra Tiwari VoIP Application Developer, Plivo Comm +91-9967609476

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MSILO messages to users behind NAT
by Michalis Michael 07 Aug '18

07 Aug '18

I am using Kamailio (5.0.1) and MSILO module for offline messages but I have a problem with users behind NAT. According to module overview, MSILO is forwarding the offline messages to contact address provided in REGISTER request. Is there any way to overcome this and send the messages to the external client IP? Thanks, Michalis Michael

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IRC Channel
by Enrico Bandiera 07 Aug '18

07 Aug '18

Hi, currenty (the last few days) there has been a spam attack on freenode, #Kamailio is currently full of spam messages, I was wondering if who has operator rights could set the channel to +r (only registered users can send messages) as suggested by freeenode admins The channel usually has only few messages and with all this spam it becomes impossible at all to use it. Greetings, Enrico.

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Kamctl Stats Update
by Noah Mehl 07 Aug '18

07 Aug '18

Hey all, I was wondering if the kamctl stats output could be updated to provide a bit more parseable JSON? For instance: # kamctl stats shmem | jq . { "jsonrpc": "2.0", "result": [ "shmem:fragments = 18", "shmem:free_size = 467187808", "shmem:max_used_size = 69694104", "shmem:real_used_size = 69683104", "shmem:total_size = 536870912", "shmem:used_size = 41048984" ], "id": 4300 } I would hope would be more like this: { "jsonrpc":"2.0", "result":[ { "shmem":[ { "fragments":18, "free_size":467187808, "max_used_size":69694104, "real_used_size":69683104, "total_size":536870912, "used_size":41048984 } ] } ], "id":4300 } I apologize in advanced because I don’t have the skillset to contribute such a feature. Thanks! ~Noah

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"kamdbctl create" failing with MySQL 8
by Wilkins, Steve 05 Aug '18

05 Aug '18

Hello All, There appears to be issues with running "kamdbctl create" when using MySQL 8. When this is ran there are syntax SQL errors. One such error is when doing grants using "IDENTIFIED BY 'password'"; This throws a sequel error for version 8 of MySQL. Thank you,

2 1

DMQ problems
by Aleksandar Sosic 05 Aug '18

05 Aug '18

Hi, I've set up a dmq server for other kamailio nodes with this parameters: ``` modparam("dmq", "server_address","sip:10.0.0.101:5060") modparam("dmq", "notification_address", "sip:127.0.0.1:5060") modparam("dmq", "multi_notify", 1) modparam("dmq", "num_workers", 4) modparam("dmq", "ping_interval", 15) ``` On the kamailio nodes the config is the following: ``` modparam("dmq", "server_address", "sip:10.0.0.x:5060") modparam("dmq", "notification_address", "sip:10.0.0.101:5060") modparam("dmq", "multi_notify", 1) modparam("dmq", "num_workers", 4) modparam("dmq", "ping_interval", 15) ``` On the kamailio dmq server I've got this in the logs: ``` 25(41) ERROR: dmq [notification_peer.c:596]: notification_resp_callback_f(): deleting server sip:127.0.0.1:5060 because of failed request 25(41) ERROR: dmq [notification_peer.c:599]: notification_resp_callback_f(): not deleting notification_peer ``` On the kamailio nodes the same thing with the ip of the dmq server: ``` 25(112) ERROR: dmq [notification_peer.c:596]: notification_resp_callback_f(): deleting server sip:10.0.0.101:5060 because of failed request 25(112) ERROR: dmq [notification_peer.c:599]: notification_resp_callback_f(): not deleting notification_peer ``` The request route on the dmq server is simple as this: ``` request_route { if(is_method("KDMQ")){ dmq_handle_message(); } }#end request_route ``` I've tried with some xlog-s inside the if(is_method("KDMQ")) but they don't show up so the dmq_handle_message() is not even executed. I've also tried to bind the dmq server to a different port but with no success on making it work. The dmq.list_nodes shows only the dmq server IP and the current node IP, the IPs of other nodes are not shown: ``` root@proxy-94b6ccf46-t8fx2:/# kamcmd dmq.list_nodes { host: 10.0.0.101 port: 5060 resolved_ip: 10.0.0.101 status: active last_notification: 0 local: 0 } { host: 10.0.0.45 port: 5060 resolved_ip: 10.0.0.45 status: active last_notification: 0 local: 1 } ``` And it's the same on all other kamailio nodes: dmq server ip and local ip. The kamailio version on all the nodes is: 5.2.0~dev6+0~20180616010152.1138+xenial Thanks, -- Aleksandar Sosic mail: alex.sosic(a)evosip.cloud

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Security announcement related to Kamailio
by Henning Westerholt 04 Aug '18

04 Aug '18

Hello, I want to highlight that the last stable versions (for the two maintained series: 5.0 and 5.1) include fixes for an security issues that can crash a running instance of Kamailio, therefore it is strongly recommended to upgrade. Details: There exists a security vulnerability in the Kamailio SIP server related to "To" header processing. A specially crafted SIP message with double "To" header and an empty "To" tag causes a segmentation fault and crashes Kamailio. The reason is missing input validation in the "build_res_buf_from_sip_req" core function. If an attacker sends many of this messages this would lead to a Denial of Service of the attacked infrastructure. This is especially critical as no authentication for the remote source is needed. You find all the details including a proof of concept code in the published security announcement in my blog: https://skalatan.de/blog/advisory-hw-2018-05 A CVE report for this issue is going to be created as well in the near future. The issues were found some months ago and were fixed quickly. The code related to the reported issues is rather old and there are no known incidents of exploiting these issues so far. However, once the CVE report becomes public, there could be a higher risk of exploitation. Please address any detailed technical questions related to this to the developer list at sr-dev(a)lists.kamailio.org . In case of confidential remarks related to this or other security issues, please address them to the Kamailio Management. Best regards, Henning Westerholt -- Henning Westerholt https://skalatan.de/blog/

1 1

Nathelper not obeying Advertised IP
by John Martirosian 03 Aug '18

03 Aug '18

Hello, The nathelper module does not obey the advertise IP. Is there any work around for this? When kamailio is running behind a NAT with advertised IP set the nathelper module doesn't use that IP when sending SIP OPTIONS keepalives. Here is a picture of the packet coming from Kamailio. https://i.imgur.com/9vcpOoo.png Thanks,

1 0

Final reply code is wrong in case of 302 and 486 busy
by Marco Capetta 03 Aug '18

03 Aug '18

Hello, we have a problem of final reply code in case of 302 and then 486 busy. This is our scenario: A, B and C are subscribers. A ----------> Kamailio ----------> B Kamailio <---302---- B Kamailio -----------------------> C Kamailio <---486----------------- C A <---302---- Kamailio Expected behavior: Kamailio should reply to A with 486, as C was busy, and not 302. We have kamailio v5.1.4 In the call to B we set both failure and branch_failure: t_on_failure("failure_route"); t_on_branch_failure("failure_redirect"); in order to handle the 302 redirect per branch with: event_route[tm:branch-failure:failure_redirect] { if($T_reply_code == 301 || $T_reply_code == 302) { do redirect ... } } and the final failure with: failure_route[FAILURE_ROUTE_LOCAL] { do something ... } Since we have 'modparam("tm", "failure_reply_mode", 3)' my expectation is to get the winning reply from the branch of last step. Is there any configuration I'm missing? Since we manage the redirect with a branch-failure, is the winning reply calculated in a different way? Thanks Marco

2 1

Other issues encountered with MySQL 8 and Kamailio
by Wilkins, Steve 03 Aug '18

03 Aug '18

Good Morning all, When I do get Kamailio to compile with MySQL 8, I encounter the following issue when running "kamdbctl create" ERROR 1449 (HY000) at line 1: The user specified as a definer ('mysql.infoschema'@'localhost') does not exist WARNING: Your current default mysql characters set cannot be used to create DB. Please choice another one from the following list: Any ideas? Thank you.

1 1

5.1 compilation error on Centos 7
by Wilkins, Steve 03 Aug '18

03 Aug '18

Hello all, I started getting the following error while trying to compile Kamailio 5.1+ on Centos 7 CC (gcc) [M db_mysql.so] my_fld.o In file included from my_fld.c:22:0: my_fld.h:37:2: error: unknown type name 'my_bool' my_bool is_null; Has anyone seen this before. Thank you

2 2

is_method not matching message type KDMQ breaking DMQ bus. (master branch)
by Asgaroth 02 Aug '18

02 Aug '18

Hi All, I've come across and oddity whereby my is_method("KDMQ") checks are not matching. I'm testing with kamailio master: version: kamailio 5.2.0-dev6 (x86_64/linux) a16272 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_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: a16272 compiled on 15:27:21 Jul 31 2018 with gcc 7.3.1 Sample routing logic: request_route { route("InitialMessageChecks"); exit; } route[InitialMessageChecks] { xlog("L_INFO", "Received message type $rm from $si:$sp on $Ri:$Rp"); if ( is_method("KDMQ") ) { xlog("L_INFO", "KDMQ check passed."); } if ( is_method("OPTIONS") ) { xlog("L_INFO", "OPTIONS check passed."); } if ( is_method("SUBSCRIBE") ) { xlog("L_INFO", "SUBSCRIBE check passed."); } } In the logs I am only receiving the 1st log line in the initial message checks route for message types of KDMQ, eg: INFO: <script>: Received message KDMQ from 1.1.1.1:5060 on 1.1.1.2:5060 INFO: <script>: Received message KDMQ from 1.1.1.3:5060 on 1.1.1.2:5060 I never seem to hit the is_method check log line when the method type is KDMQ. I do see the options/subscribe logs though: INFO: <script>: OPTIONS check passed. INFO: <script>: SUBSCRIBE check passed. nothing for KDMQ. Reason for asking is: this check never matches and breaks the dmq bus: if ( is_method("KDMQ") ) { if ( dmq_is_from_node() ) { dmq_handle_message(); exit; } else { exit; } } Any thoughts, or am I going crazy :) Thanks

3 4

Re: [SR-Users] Method Destination Variable
by Duarte Rocha 02 Aug '18

02 Aug '18

Greetings, I thought about that but i wasn't sure it would be safe. But, in this case, the Request-URI domain will be the only place where Kamailio will look to find out the destination right within the dialog right? I'm going the statelless way, so that might be the correct answer. Thanks for your help

2 2

get_out_socket(): no socket found
by Ilie Soltanici 02 Aug '18

02 Aug '18

Daniel, Not, those IP are in a different subnet. There is a firewall - running on a different device. Ping and SIP Messages are going very well from 2.2.2.2 to 8.8.8.8. I was able to solve this issue by disabling mhomed and set "listen" external interface with IP address 2.2.2.2 on top in the configuration file. Now, Kamailio is starting without any errors and is registering to the upstream provider, but I just I am wondering if it's possible to specify an outgoing socket for uac module in the configuration file? Thank you.

1 0

get_out_socket(): no socket found
by Ilie Soltanici 02 Aug '18

02 Aug '18

Daniel, Yes, IP Address has been edited, 2.2.2.2 and 8.8.8.8 are not real IP Address-es, this is just to show that those IP are external IP's. Regards, Ilie

2 1

Method Destination Variable
by Duarte Rocha 01 Aug '18

01 Aug '18

Greetings, I have a Kamailio server set up without Registers. I'm using Dispatcher module for balancing and selecting the destinations. I need to do some changes in the message according to the chosen destination. If it's the first INVITE, after Dispatcher operations, i can do it using $dd or $du variables. However, in later messages, like a BYE, i can't seem to access the method's destination IP. Is there any variable that i'm missing? I've tried $route_uri but it only returns the kamailio's own IP, since it's the only IP in the "Route" header. Thanks in advance, Cheers

2 1

get_out_socket(): no socket found
by Ilie Soltanici 01 Aug '18

01 Aug '18

Hi All, I'm unable to register an extension to the Upstream Provider by using uac module. Getting the following error: *Jul 31 15:49:39 k1-core1 k1[13146]: ERROR: <core> [core/forward.c:181]: get_out_socket(): no socket found* *Jul 31 15:49:39 k1-core1 k1[13146]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:8.8.8.8:5060 <http://8.8.8.8:5060>)* *Jul 31 15:49:39 k1-core1 k1[13146]: ERROR: tm [ut.h:317]: uri2dst2(): no corresponding socket found for "svr04.nuacom.net <http://svr04.nuacom.net>" af 2 (udp:8.8.8.8:5060 <http://8.8.8.8:5060>)* *Jul 31 15:49:39 k1-core1 k1[13146]: ERROR: tm [uac.c:449]: t_uac_prepare(): no socket found* *Jul 31 15:49:39 k1-core1 k1[13146]: ERROR: uac [uac_reg.c:1161]: uac_reg_update(): failed to send request for [1050]* Kamailio is listening on 2 interfaces: [root@kamailio user]# /usr/local/sbin/kamcmd core.sockets_list { socket: { proto: udp address: 10.1.1.11 ipaddress: 10.1.1.11 port: 5060 mcast: no mhomed: no } socket: { proto: udp address: 2.2.2.2 ipaddress: 2.2.2.2 port: 5060 mcast: no mhomed: no } mhomed is enabled in the configuration file: *mhomed=1* I'm not using ' force_send_socket' anywhere in the configuration file. This is the uac module configuration: modparam("uac", "reg_keep_callid", 1) modparam("uac", "reg_contact_addr", "2.2.2.2") modparam("uac", "reg_db_url","cluster://kamailio") If i'm disabling mhomed from configuration file - i don't receive any errors - but then kamailio is trying to send the message to the external server (8.8.8.8) through internal interface (10.1.1.1). Thank You.

2 1

kamalio in virtual environment
by AL S 31 Jul '18

31 Jul '18

Hi, Is recent kamalio release interoperable in virtual environment? Thanks, Alex

5 5

How to get Formatted Current TIME (NOT CACHED)
by Alvaro Araos 31 Jul '18

31 Jul '18

Hi, If i call to $timef multiple times, always returns the same time string (CACHED), how i get formatted current time?? Example: $dlg_var(start)=$timef(%Y-%m-%d %H:%M:%S) // RETURNS "2018-07-28 18:44:35" .. some seconds later $dlg_var(start)=$timef(%Y-%m-%d %H:%M:%S) // RETURNS THE SAME DATE STRING "2018-07-28 18:44:35" Saludos, ALVARO ARAOS MÉNDEZ Director de Tecnología en FONOIP +56 2 2947 9000 alvaro(a)fonoip.com | www.fonoip.com [1] Moisés Chacón 46, El Monte, RM Links: ------ [1] http://www.fonoip.com

1 1

RTP Proxy
by Alex Tatham 31 Jul '18

31 Jul '18

Hello everyone, I'm in the process of moving approx. 100 Kamailio/Media Proxy (AG Projects) servers to Kamailio/RTPEngine. I have all the functionality in place and I have a handful of servers in production. I'm trying to monitor the RTP engine (using Munin) and I'm graphing the values returned from the RPC command rtpengine.get_hash_total. This value is slowly increasing over time and I'm trying to find out if this is something I should worry about. I want to make sure that sessions are not being left open and therefore the software will eventually run out of ports. To give some values, if I make 100 calls the call will be around 25 after those calls. >From all other tests I have done including a check through the verbose logs I can see the sessions are being closed at the end of the calls. Can anyone help with this at all or does anyone possibly have any better ideas? Thank you, Alex Alex Tatham Technical Director T:01233 220 943 E:alex.tatham@dmcplc.co.uk W:www.dmctechnologies.co.uk DMC Technologies formerly HP Technology Unit 5, Invicta Business Centre | Orbital Park | Ashford | Kent | TN24 0HB DMC Technologies is a trading name of Hobbs Parker 2000 Limited Registered Office: Romney House, Orbital Park, Monument Way, Ashford TN24 0HB Registered in England No.04027755

2 1

Is anyone having issues with dialog metrics when DMQ is enabled?
by Joel Serrano 30 Jul '18

30 Jul '18

Hi guys, Is anyone having issues gathering active/early dialog metrics from kamailio when DMQ is enabled? I have an open ticket in GH ( https://github.com/kamailio/kamailio/issues/1591) and I'm wondering if this could be happening to anyone else? So far the theory is that the counter goes below 0 and that creates the problem. I'd love to hear from you if you are experiencing this too. If any of you are using Kamailio 5.1 + DMQ and gather active/early dialog metrics using the stats.fetch or stats.get_statistics rpc commands, do you ever get values close to 64BIT ULONG_MAX? (18446744073709551615)?? Thanks! Joel.

2 3

Kamailio 5.0.X RPM packages/repo broken
by Patrick Wakano 27 Jul '18

27 Jul '18

Hello list, Hope you all doing fine! I've been trying to install Kamailio packages from the opensuse repo (as per https://www.kamailio.org/wiki/packages/rpms) but the installation is failing with this message: Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. kamailio-ims-5.0.7-1.el7.cento FAILED http://download.opensuse.org/repositories/home%3A/kamailio%3A/v5.0.x-rpms/C…: [Errno 14] HTTP Error 416 - Requested Range Not Satisfiable --:--:-- ETA Trying other mirror. kamailio-5.0.7-1.el7.centos.x8 FAILED 77% [============================================================- ] 1.0 MB/s | 4.9 MB 00:00:01 ETA http://download.opensuse.org/repositories/home%3A/kamailio%3A/v5.0.x-rpms/C…: [Errno -1] Package does not match intended download. Suggestion: run yum --enablerepo=home_kamailio_v5.0.x-rpms clean metadata Trying other mirror. I've successfully installed the 5.0.7 version on Friday (06/07) but I've noticed the packages have changed last Saturday (07/07/2018).... Given this error message looks like the repository is broken somehow.... Is anyone aware of such issue? I haven't tried the 5.1.X repo because my script was not migrated to 5.1.X yet.... Thanks, Kind regards, Patrick Wakano

3 13

NGN and NNI functionalities
by Duarte Rocha 27 Jul '18

27 Jul '18

Greetings, Does Kamailio has any module that deals with NGN and NNI ? Also, is there any variable or transformation that gives me access to a parameter in the User Part of an URI ? Best Regards, Duarte Rocha

2 1

No cdr after Kamailio 5.0.4 and 5.2 dev restart
by Kordován Szabolcs 27 Jul '18

27 Jul '18

Hi All, In March there was a discus about this issue. We tested the new 5.2 dev and 5.0.4 version of Kamailio and we experience that If we restart Kamailio during the call the cdr won't be stored in table acc_cdrs but the data will be inserted to table acc and data will be deleted from table dialog and dialog_vars. Did I omit the fix for it? Thanks for your help. Best regards, Szabolcs

2 3

Package hashes for Kamailio 5.1.4 rpms are wrong.
by Skip Morse 26 Jul '18

26 Jul '18

Hi, The package hashes for Kamailio 5.1.4 rpms are wrong. I actually saw this happen with 5.1.3 and then somehow I think it got corrected. Repo details: http://download.opensuse.org/repositories/home%3A/kamailio%3A/v5.1.x-rpms/C… Filename: kamailio-5.1.4-2.el7.centos.x86_64.rpm Path: /repositories/home:/kamailio:/v5.1.x-rpms/CentOS_7/x86_64/kamailio-5.1.4-2.el7.centos.x86_64.rpm Size: 5.4M (5645948 bytes) Last modified: Thu, 19 Jul 2018 02:53:15 GMT (Unix time: 1531968795) SHA-256 Hash: aed812fa3ccf502634fe6de848eca2ce167ee70f6ace31aa1541a5787502667d SHA-1 Hash: ae0977ca32e6b5ba2a627e58948098f386639582 MD5 Hash: 68784949f33d6259420b50de5e70a4ec BitTorrent Information Hash: f743a7c45d50065084d40a314bd80e3ec143c384 What I get locally: $ wget http://download.opensuse.org/repositories/home:/kamailio:/v5.1.x-rpms/CentO… $ sha256sum kamailio-5.1.4-2.el7.centos.x86_64.rpm a21d2b6c98da041af85ebc0f8b6fe8525e8e247e84317c32db021e90ec43b209 kamailio-5.1.4-2.el7.centos.x86_64.rpm $ sha1sum kamailio-5.1.4-2.el7.centos.x86_64.rpm 9cbf6de153fb8ffc4913f0582d6e85535b44975f kamailio-5.1.4-2.el7.centos.x86_64.rpm $ md5sum kamailio-5.1.4-2.el7.centos.x86_64.rpm d36149f4bd91d0879c239b8e81264fb3 kamailio-5.1.4-2.el7.centos.x86_64.rpm Let me know if I should report this elsewhere. Thanks! -Skip

1 0

DMQ with dialog: KDMQ messages being looped back to the source
by Patrick Murphy 26 Jul '18

26 Jul '18

Hi, I am using Kamailio 5.1.1 with DMQ with the following config (relevant parts) on 2 nodes. Node A: modparam("dialog", "enable_dmq", 1) modparam("dmq", "server_address", "sip:no.de.a.ip:5060") modparam("dmq", "notification_address", "sip:myvoip.local") modparam("dmq", "multi_notify", 1) Node B: modparam("dialog", "enable_dmq", 1) modparam("dmq", "server_address", "sip:no.de.b.ip:5060") modparam("dmq", "notification_address", "sip:myvoip.local") modparam("dmq", "multi_notify", 1) "myvoip.local" is a DNS A record that resolves to both the IPs of A and B. I have the dmq_handle_message(); called if method is of type "KDMQ" in the request_route. Now, in order to test it, I only sent a few calls only on node A. KDMQ messages flowed to node B and dialog state replicated. But I noticed, node B was randomly sending one of the KDMQ dialog messages back to A and receiving a 500 "Server Internal Error" back from node A... (for a subset of those calls, not all). Why would this be the case when the nodes correctly recognize their local status by the "local: 1" set as seen from dmq.list_nodes Anyone else experienced this? What could I be doing wrong? Thanks, Pat.

2 5

FreeSWITCH and OpenSIPS for a Pure SIP Video, Chat and Conference Service, ClueCon Presentation Slides
by Giovanni Maruzzelli 25 Jul '18

25 Jul '18

Hello fellow RTCers, just finished presenting about scaling videoconferencing, chat and moderation/direction controls in SIP, with web clients, deskphones, smartphone apps, server push (google fcm) via cordova and SIP.js at www.cluecon.com. Here's the slides of my presentation: http://178.79.181.125/Maruzzelli_FreeSWITCH_OpenSIPS_WebRTC_Pure_SIP_Video_… or, shorter, http://178.79.181.125/Maruzzelli_ClueCon_2018.pdf >From ClueCon blurb: FreeSWITCH and OpenSIPS for a Pure SIP Video, Chat and Conference Service On top of traditional SIP deskphones and softphones, WebRTC let us extend the reach of SIP to all browsers, and to smartphone apps that wake up with a server push. OpenSIPS has superb SIP and WebRTC support and can protect, balance and scale FreeSWITCH insuperable conferencing, video MCU, media switching/mixing, SIP SIMPLE message processing capabilities. We will see how to build and implement such a complete platform, touching both on servers and on clients. Hint: SIMPLE, the SIP Instant Messaging Protocol, can be leveraged to transport statuses, commands and chats between participants and administrators of SIP audio/video calls/conferences. Giovanni MaruzzelliPrincipal at OpenTelecom.IT ------------------------------ Giovanni is a consultant for the Telco sector, developing software and training courses for FreeSWITCH, SIP, WebRTC and Kamailio. He is heavily engaged with FreeSWITCH, of which he wrote the interface with Skype and with cellular phones. An Internet tech pioneer, in 1996 Giovanni was cofounder of Italia Online, the most popular Italian portal and consumer ISP, and architect of its Internet technologies – www.italiaonline.it Then supervisor of Internet operations and architect of the first engine for paid access to www.ilsole24ore.com , the most read financial newspaper in Italy and to its databases (migrated from mainframe). After that, he was CEO of venture capital funded Matrice, developing Telemail unified messaging and multi language phone access to email (Text To Speech), and CTO of incubator funded Open4, an open source managed applications provider. Then he was for two years in Serbia as Internet and Telecommunication Investment Expert for World Bank – IFC. Since 2005 he’s based in Italy, and serves ICT and Telco companies worldwide. -giovanni -- Sincerely, Giovanni Maruzzelli OpenTelecom.IT cell: +39 347 266 56 18

3 4

sipdump excluding dmq exchanges
by Patrick Murphy 24 Jul '18

24 Jul '18

Hi Can we have sipdump only log SIP messages and not KDMQ? Thanks, Pat.

2 1

Error when using http_async_client $http_query_id var
by jenus＠cyberchaos.nl 24 Jul '18

24 Jul '18

Hello, I'm trying to build a async http call to a external server and was trying to use the $http_query_id var to identity the http call in the response route. But when i try the following: $http_req(suspend) = 0; $http_req(hdr) = "Content-Type: application/json"; $http_req(body) = "{'r_uri':'" + $rU + "', 'f_uri':'" + $fU + "'}"; http_async_query("http://10.10.10.1/", "ACC_HTTP_REPLY"); xlog("L_WARN", "ACC Query id: $http_query_id"); route[ACC_HTTP_REPLY] { xlog("L_WARN", "route[ACC_HTTP_REPLY]: received reply for query $http_query_id\n"); } I get errors in the kamailio log file : Jul 23 11:34:14 sip03 /usr/sbin/kamailio[24645]: ERROR: <core> [core/pvapi.c:903]: pv_parse_spec2(): error searching pvar "http_query_id" Jul 23 11:34:14 sip03 /usr/sbin/kamailio[24645]: ERROR: <core> [core/pvapi.c:1107]: pv_parse_spec2(): wrong char [d/100] in [$http_query_id] at [13 (0)] Jul 23 11:34:14 sip03 /usr/sbin/kamailio[24645]: ERROR: xlog [xlog.c:513]: xdbg_fixup_helper(): wrong format[route[ACC_HTTP_REPLY]: received reply for query $http_query_id#012] Jul 23 11:34:14 sip03 /usr/sbin/kamailio[24645]: ERROR: <core> [core/route.c:1154]: fix_actions(): fixing failed (code=-1) at cfg://etc/kamailio/kamailio.cfg:5308 Jul 23 11:36:07 sip03 /usr/sbin/kamailio[24906]: ERROR: <core> [core/pvapi.c:903]: pv_parse_spec2(): error searching pvar "http_query_id" Jul 23 11:36:07 sip03 /usr/sbin/kamailio[24906]: ERROR: <core> [core/pvapi.c:1107]: pv_parse_spec2(): wrong char [)/41] in [$(http_query_id)] at [15 (1)] Jul 23 11:36:07 sip03 /usr/sbin/kamailio[24906]: ERROR: xlog [xlog.c:513]: xdbg_fixup_helper(): wrong format[route[ACC_HTTP_REPLY]: received reply for query $(http_query_id)#012] Jul 23 11:36:07 sip03 /usr/sbin/kamailio[24906]: ERROR: <core> [core/route.c:1154]: fix_actions(): fixing failed (code=-1) at cfg://etc/kamailio/kamailio.cfg:5308 Should i escape the var $http_query_id in some way? I'm running kamailio 5.1.3. Thanks, Jan

4 4

Kamailio Calls Concurrency
by Abtin Mir 24 Jul '18

24 Jul '18

Hello Support, As a proxy server , How many concurrent calls can be processed by a Kamailio which is installed on a VM with 4 cores and 16GB of RAM? Your answer is much appreciated. -- *Regards,* *Abtin Mir*

3 4

Re: [SR-Users] NATHELPER issue
by Ali Taher 23 Jul '18

23 Jul '18

Thank you Konstantin, What I can’t understand is why media packets are sent correctly to the public IP , while early media (RBT) are sent on private. Regards, Ali From: Konstantin Polyakov <piligrim_pk(a)mail.ru> Sent: Monday, July 23, 2018 1:38 PM To: Ali Taher <ataher(a)vanrise.com> Subject: Re[4]: [SR-Users] NATHELPER issue Original INVITE contains private IP in c= parameter, so you need to use STUN or TURN or ICE, something which is supported in your system or in your softphone. See my comments in the previous mail. Best regrads Понедельник, 23 июля 2018, 12:25 +03:00 от Ali Taher <ataher(a)vanrise.com <mailto:ataher@vanrise.com> >: Hi Konstantin, INVITE: INVITE sip:9613159370@X.X.X.X:5065 SIP/2.0 Record-Route: <sip:X.X.X.X:5065;lr;ftag=5269152d> X-AUTH-IP: Y.Y.Y.Y Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK0f8e.68a6417bb4b72bec0eb7c44427dc8731.0 Via: SIP/2.0/UDP 192.168.26.3:31556;received=Y.Y.Y.Y;branch=z9hG4bK-d87543-6a165215a2441724-1--d87543-;rport=31556 Max-Forwards: 69 Contact: <sip:967123456@192.168.26.3:31556;alias=Y.Y.Y.Y~31556~1> To: "9613159370"<sip:9613159370@X.X.X.X:5065> From: "+967123456"<sip:967123456@X.X.X.X:5065>;tag=5269152d Call-ID: c10f30782b42be0fNjNiNTdjNGM1MWIzNDlhNTM4MzAwYWI0NWY2NGRmOTM. CSeq: 1 INVITE Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO Content-Type: application/sdp User-Agent: eyeBeam release 1003s stamp 31159 Content-Length: 434 v=0 o=- 5 2 IN IP4 192.168.26.3 s=CounterPath eyeBeam 1.5 c=IN IP4 192.168.26.3 t=0 0 m=audio 8602 RTP/AVP 0 8 101 a=alt:1 4 : F4Vpy7HX BRVjd5rl 192.168.26.3 8602 a=alt:2 3 : ZTQ/VQpO 5uDGgHMJ 192.168.164.1 8602 a=alt:3 2 : ZZPaUsAW LVjbM9qy 192.168.74.1 8602 a=alt:4 1 : 5lOKe54U yTwyWfpC 11.11.0.122 8602 a=fmtp:101 0-15 a=rtpmap:101 telephone-event/8000 a=sendrecv a=x-rtp-session-id:0CDBBC1F22564B72BDA5AD0B07C2AECF 200 OK 200 OK Via: SIP/2.0/UDP 192.168.26.3:31556;received=Y.Y.Y.Y;branch=z9hG4bK-d87543-6a165215a2441724-1--d87543-;rport=31556 Record-Route: <sip:X.X.X.X:5065;lr;ftag=5269152d> From: "+967123456" <sip:967123456@X.X.X.X:5065>;tag=5269152d To: "9613159370" <sip:9613159370@X.X.X.X:5065>;tag=agtHmrp3Dccrg Call-ID: c10f30782b42be0fNjNiNTdjNGM1MWIzNDlhNTM4MzAwYWI0NWY2NGRmOTM. CSeq: 1 INVITE Contact: <sip:9613159370@X.X.X.X:5060;transport=udp> User-Agent: FIKAR Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE Supported: timer, path, replaces Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer Content-Type: application/sdp Content-Disposition: session Content-Length: 200 Remote-Party-ID: "Outbound Call" <sip:506251539613159370@X.X.X.X <mailto:506251539613159370@X.X.X.X> >;party=calling;privacy=off;screen=no v=0 o=FIKAR 4050780586 4050780588 IN IP4 X.X.X.X s=FIKAR c=IN IP4 X.X.X.X t=0 0 m=audio 24496 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 where: X.X.X.X is Kamailio IP Y.Y.Y.Y is origination public IP Regards, Ali From: Konstantin Polyakov <piligrim_pk(a)mail.ru <mailto:piligrim_pk@mail.ru> > Sent: Monday, July 23, 2018 12:08 PM To: Ali Taher <ataher(a)vanrise.com <mailto:ataher@vanrise.com> > Subject: Re[2]: [SR-Users] NATHELPER issue Hello Ali, Could you show your latest INVITE and OK? Check you SDP bodies in those messages, if you still have there private IPs then you need to solve usual NAT traversal task in your media software (not proxy). Kamailio doesn't process media as you know. Of course you can try fix_nated_sdp function from nathelper module but it will not work for symmetric NAT because you fix SDP with public IP toward proxy but not toward UA. Your media software or hardware should support STUN or ICE protocols to work correctly via NAT. Best regards. Понедельник, 23 июля 2018, 11:41 +03:00 от Ali Taher <ataher(a)vanrise.com <file://e.mail.ru/compose/%3fmailto=mailto%253aataher@vanrise.com> >: Thank you for your reply. ACK is now sent correctly to public IP , yet I have another issue with RBT where it’s still sent to private IP .Yet the call media is sent correctly to the public IP. There is something strange , as I hear two short different ringing tones then complete silence till the called party answer the call and RTP flow normally. How can I handle this case? Thanks, Ali From: Konstantin Polyakov <piligrim_pk(a)mail.ru <file://e.mail.ru/compose/%3fmailto=mailto%253apiligrim_pk@mail.ru> > Sent: Friday, July 20, 2018 3:01 PM To: sr-users(a)lists.kamailio.org <file://e.mail.ru/compose/%3fmailto=mailto%253asr%252dusers@lists.kamailio.org> ; Ali Taher <ataher(a)vanrise.com <file://e.mail.ru/compose/%3fmailto=mailto%253aataher@vanrise.com> > Subject: Re: [SR-Users] NATHELPER issue Hello Ali, ACK is sent by UAC to the Contact which is received in OK from UAS. So from my point of view you need to fix that Contact in OK on your proxy. My NATDETECT looks like: if (nat_uac_test("19")) { fix_nated_contact(); } I call it for requests and responses. Best regards. Konstantin Message: 23 Date: Fri, 20 Jul 2018 11:13:42 +0300 From: "Ali Taher" <ataher(a)vanrise.com <mailto:ataher@vanrise.com> > To: <sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> > Subject: [SR-Users] NATHELPER issue Message-ID: <070901d42001$939be2b0$bad3a810$(a)vanrise.com <mailto:070901d42001$939be2b0$bad3a810$@vanrise.com> > Content-Type: text/plain; charset="utf-8" Hello, I'm using Kamailio 4.2 as proxy with nathelper enabled. Yet , the ACK packet sent from the proxy to the origination's private IP. The ACK is sent as reply on the following 200 OK sent from the origination : 8m2EJN41BN/6WSIP/2.0 200 OK From: <sip:+4444331234567@X.X.X.X;user=phone>;tag=XQBQNjvjgp4Ze To: <sip:+905362695933@172.16.45.65;user=phone>;tag=12033368836000 Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK2959.233ecbc5eff949f946d8763ce25e5e6d.0;received= X.X.X.X,SIP/2.0/UDP X.X.X.X;received=X.X.X.X;rport=5060;branch=z9hG4bKN93cXvv26vDDN Record-Route: <sip:X.X.X.X:5065;lr;ftag=XQBQNjvjgp4Ze> Call-ID: CbeX8453909200habfGhEfElPce(a)BC00.XXXXXXXXXXXXXX <mailto:CbeX8453909200habfGhEfElPce@BC00.XXXXXXXXXXXXXX> CSeq: 125698370 INVITE Accept: application/sdp Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,UPDATE P-Charging-Vector: icid-value=B0912C3D70-0720-09394507;icid-generated-at=BC00.XXXXXXXXXXXXXX.XX ;orig-ioi=MXXXXXXXXXXXXXX Content-Type: application/sdp Contact: <sip:172.16.45.65:5060;transport=UDP> Content-Length: 268 v=0 o=- 5838243 5838244 IN IP4 BC00.XXXXXXXXXXXXXX s=- c=IN IP4 172.16.45.144 t=0 0 a=sendrecv m=audio 47588 RTP/AVP 18 96 c=IN IP4 172.16.45.144 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-15 a=maxptime:20 Following is the header of the sent ACK packet: Request-Line: ACK sip:172.16.45.65:5060;transport=UDP SIP/2.0 Record-Route: <sip:X.X.X.X:5065;lr;ftag=XQBQNjvjgp4Ze> Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK2959.871535fd341bbe3099d0bf60d6460e18.0 Via: SIP/2.0/UDP X.X.X.X;received=X.X.X.X;rport=5060;branch=z9hG4bKQUpy0jy90etjc Max-Forwards: 69 From: <sip:+4444331234567@X.X.X.X;user=phone>;tag=XQBQNjvjgp4Ze To: <sip:+905362695933@172.16.45.65;user=phone>;tag=12033368836000 Call-ID: CbeX8453909200habfGhEfElPce(a)BC00.XXXXXXXXXXXXXX <mailto:CbeX8453909200habfGhEfElPce@BC00.XXXXXXXXXXXXXX> CSeq: 125698370 ACK Content-Length: 0 Where X.X.X.X is Kamailio server public IP. Following is part of my config file : route { route(NATDETECT); record_route(); if(!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); exit; } # Maybe some sanity_check() here. if(has_totag()) { if(loose_route()) { route(DLGURI); if(!t_relay()) sl_reply_error(); exit; } else { if(is_method("ACK")) { route(DLGURI); if(t_check_trans()) { t_relay(); } } else sl_send_reply("403", "Forbidden"); } exit; } ..... } route[NATDETECT] { #!ifdef WITH_NAT force_rport(); if (nat_uac_test("19")) { if (is_method("REGISTER")) { fix_nated_register(); } else { add_contact_alias(); } setflag(FLT_NATS); } #!endif return; } route[DLGURI] { #!ifdef WITH_NAT if(!isdsturiset()) { handle_ruri_alias(); } #!endif return; } Can you please check why the ACK is still sent on private IP ? Thanks Ali Taher "Ali Taher" <ataher(a)vanrise.com <https://e.mail.ru/compose?To=ataher@vanrise.com> > С уважением, Константин Поляков. С уважением, Константин Поляков.

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messages dumped in wrong order sometime
by Philip Kucheev 23 Jul '18

23 Jul '18

Hello there! Using kamailio 5.0.1 and msilo module for storing offline messages I noticed that sometimes, especially when a big number of messages dumping for one user, some of them can arrive to receiver in wrong order. Lets say we have 20 messages and the order of receiving could be next 1..18..17..19..20. That could be a reason of that ? Thanks, Philip

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Forwarding to backup server
by Pali Rohár 23 Jul '18

23 Jul '18

Hello, can somebody help me how to configure Kamailio to route/forward requests to different (backup) server when Kamailio itself is not able to deliver them? I have working SIP gateway (on different host/port) which deliver received SIP messages to XMPP network and I want to achieve: Kamailio should try to send SIP messages directly to foreign SIP domains and when it fails (e.g. user not available or foreign SIP is not running), then forward message to that my SIP <--> XMPP gateway which will try to deliver it via XMPP. I guess that Kamailio should be able to configure for such custom routing/forwarding but I have not figured yet how to do it. I'm using Kamailio 4.4 with slightly modified default kamailio.cfg config. -- Pali Rohár pali.rohar(a)gmail.com

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Re: [SR-Users] NATHELPER issue
by Ali Taher 23 Jul '18

23 Jul '18

Hi Konstantin, INVITE: INVITE sip:9613159370@X.X.X.X:5065 SIP/2.0 Record-Route: <sip:X.X.X.X:5065;lr;ftag=5269152d> X-AUTH-IP: Y.Y.Y.Y Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK0f8e.68a6417bb4b72bec0eb7c44427dc8731.0 Via: SIP/2.0/UDP 192.168.26.3:31556;received=Y.Y.Y.Y;branch=z9hG4bK-d87543-6a165215a2441724-1--d87543-;rport=31556 Max-Forwards: 69 Contact: <sip:967123456@192.168.26.3:31556;alias=Y.Y.Y.Y~31556~1> To: "9613159370"<sip:9613159370@X.X.X.X:5065> From: "+967123456"<sip:967123456@X.X.X.X:5065>;tag=5269152d Call-ID: c10f30782b42be0fNjNiNTdjNGM1MWIzNDlhNTM4MzAwYWI0NWY2NGRmOTM. CSeq: 1 INVITE Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO Content-Type: application/sdp User-Agent: eyeBeam release 1003s stamp 31159 Content-Length: 434 v=0 o=- 5 2 IN IP4 192.168.26.3 s=CounterPath eyeBeam 1.5 c=IN IP4 192.168.26.3 t=0 0 m=audio 8602 RTP/AVP 0 8 101 a=alt:1 4 : F4Vpy7HX BRVjd5rl 192.168.26.3 8602 a=alt:2 3 : ZTQ/VQpO 5uDGgHMJ 192.168.164.1 8602 a=alt:3 2 : ZZPaUsAW LVjbM9qy 192.168.74.1 8602 a=alt:4 1 : 5lOKe54U yTwyWfpC 11.11.0.122 8602 a=fmtp:101 0-15 a=rtpmap:101 telephone-event/8000 a=sendrecv a=x-rtp-session-id:0CDBBC1F22564B72BDA5AD0B07C2AECF 200 OK 200 OK Via: SIP/2.0/UDP 192.168.26.3:31556;received=Y.Y.Y.Y;branch=z9hG4bK-d87543-6a165215a2441724-1--d87543-;rport=31556 Record-Route: <sip:X.X.X.X:5065;lr;ftag=5269152d> From: "+967123456" <sip:967123456@X.X.X.X:5065>;tag=5269152d To: "9613159370" <sip:9613159370@X.X.X.X:5065>;tag=agtHmrp3Dccrg Call-ID: c10f30782b42be0fNjNiNTdjNGM1MWIzNDlhNTM4MzAwYWI0NWY2NGRmOTM. CSeq: 1 INVITE Contact: <sip:9613159370@X.X.X.X:5060;transport=udp> User-Agent: FIKAR Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE Supported: timer, path, replaces Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer Content-Type: application/sdp Content-Disposition: session Content-Length: 200 Remote-Party-ID: "Outbound Call" <sip:506251539613159370@X.X.X.X>;party=calling;privacy=off;screen=no v=0 o=FIKAR 4050780586 4050780588 IN IP4 X.X.X.X s=FIKAR c=IN IP4 X.X.X.X t=0 0 m=audio 24496 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 where: X.X.X.X is Kamailio IP Y.Y.Y.Y is origination public IP Regards, Ali From: Konstantin Polyakov <piligrim_pk(a)mail.ru> Sent: Monday, July 23, 2018 12:08 PM To: Ali Taher <ataher(a)vanrise.com> Subject: Re[2]: [SR-Users] NATHELPER issue Hello Ali, Could you show your latest INVITE and OK? Check you SDP bodies in those messages, if you still have there private IPs then you need to solve usual NAT traversal task in your media software (not proxy). Kamailio doesn't process media as you know. Of course you can try fix_nated_sdp function from nathelper module but it will not work for symmetric NAT because you fix SDP with public IP toward proxy but not toward UA. Your media software or hardware should support STUN or ICE protocols to work correctly via NAT. Best regards. Понедельник, 23 июля 2018, 11:41 +03:00 от Ali Taher <ataher(a)vanrise.com <mailto:ataher@vanrise.com> >: Thank you for your reply. ACK is now sent correctly to public IP , yet I have another issue with RBT where it’s still sent to private IP .Yet the call media is sent correctly to the public IP. There is something strange , as I hear two short different ringing tones then complete silence till the called party answer the call and RTP flow normally. How can I handle this case? Thanks, Ali From: Konstantin Polyakov <piligrim_pk(a)mail.ru <mailto:piligrim_pk@mail.ru> > Sent: Friday, July 20, 2018 3:01 PM To: sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org> ; Ali Taher <ataher(a)vanrise.com <mailto:ataher@vanrise.com> > Subject: Re: [SR-Users] NATHELPER issue Hello Ali, ACK is sent by UAC to the Contact which is received in OK from UAS. So from my point of view you need to fix that Contact in OK on your proxy. My NATDETECT looks like: if (nat_uac_test("19")) { fix_nated_contact(); } I call it for requests and responses. Best regards. Konstantin Message: 23 Date: Fri, 20 Jul 2018 11:13:42 +0300 From: "Ali Taher" <ataher(a)vanrise.com <file://e.mail.ru/compose/%3fmailto=mailto%253aataher@vanrise.com> > To: <sr-users(a)lists.sip-router.org <file://e.mail.ru/compose/%3fmailto=mailto%253asr%252dusers@lists.sip%252drouter.org> > Subject: [SR-Users] NATHELPER issue Message-ID: <070901d42001$939be2b0$bad3a810$(a)vanrise.com <file://e.mail.ru/compose/%3fmailto=mailto%253a070901d42001$939be2b0$bad3a810$@vanrise.com> > Content-Type: text/plain; charset="utf-8" Hello, I'm using Kamailio 4.2 as proxy with nathelper enabled. Yet , the ACK packet sent from the proxy to the origination's private IP. The ACK is sent as reply on the following 200 OK sent from the origination : 8m2EJN41BN/6WSIP/2.0 200 OK From: <sip:+4444331234567@X.X.X.X;user=phone>;tag=XQBQNjvjgp4Ze To: <sip:+905362695933@172.16.45.65;user=phone>;tag=12033368836000 Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK2959.233ecbc5eff949f946d8763ce25e5e6d.0;received= X.X.X.X,SIP/2.0/UDP X.X.X.X;received=X.X.X.X;rport=5060;branch=z9hG4bKN93cXvv26vDDN Record-Route: <sip:X.X.X.X:5065;lr;ftag=XQBQNjvjgp4Ze> Call-ID: CbeX8453909200habfGhEfElPce(a)BC00.XXXXXXXXXXXXXX <file://e.mail.ru/compose/%3fmailto=mailto%253aCbeX8453909200habfGhEfElPce@BC00.XXXXXXXXXXXXXX> CSeq: 125698370 INVITE Accept: application/sdp Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,UPDATE P-Charging-Vector: icid-value=B0912C3D70-0720-09394507;icid-generated-at=BC00.XXXXXXXXXXXXXX.XX ;orig-ioi=MXXXXXXXXXXXXXX Content-Type: application/sdp Contact: <sip:172.16.45.65:5060;transport=UDP> Content-Length: 268 v=0 o=- 5838243 5838244 IN IP4 BC00.XXXXXXXXXXXXXX s=- c=IN IP4 172.16.45.144 t=0 0 a=sendrecv m=audio 47588 RTP/AVP 18 96 c=IN IP4 172.16.45.144 a=rtpmap:18 G729/8000 a=fmtp:18 annexb=yes a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-15 a=maxptime:20 Following is the header of the sent ACK packet: Request-Line: ACK sip:172.16.45.65:5060;transport=UDP SIP/2.0 Record-Route: <sip:X.X.X.X:5065;lr;ftag=XQBQNjvjgp4Ze> Via: SIP/2.0/UDP X.X.X.X:5065;branch=z9hG4bK2959.871535fd341bbe3099d0bf60d6460e18.0 Via: SIP/2.0/UDP X.X.X.X;received=X.X.X.X;rport=5060;branch=z9hG4bKQUpy0jy90etjc Max-Forwards: 69 From: <sip:+4444331234567@X.X.X.X;user=phone>;tag=XQBQNjvjgp4Ze To: <sip:+905362695933@172.16.45.65;user=phone>;tag=12033368836000 Call-ID: CbeX8453909200habfGhEfElPce(a)BC00.XXXXXXXXXXXXXX <file://e.mail.ru/compose/%3fmailto=mailto%253aCbeX8453909200habfGhEfElPce@BC00.XXXXXXXXXXXXXX> CSeq: 125698370 ACK Content-Length: 0 Where X.X.X.X is Kamailio server public IP. Following is part of my config file : route { route(NATDETECT); record_route(); if(!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); exit; } # Maybe some sanity_check() here. if(has_totag()) { if(loose_route()) { route(DLGURI); if(!t_relay()) sl_reply_error(); exit; } else { if(is_method("ACK")) { route(DLGURI); if(t_check_trans()) { t_relay(); } } else sl_send_reply("403", "Forbidden"); } exit; } ..... } route[NATDETECT] { #!ifdef WITH_NAT force_rport(); if (nat_uac_test("19")) { if (is_method("REGISTER")) { fix_nated_register(); } else { add_contact_alias(); } setflag(FLT_NATS); } #!endif return; } route[DLGURI] { #!ifdef WITH_NAT if(!isdsturiset()) { handle_ruri_alias(); } #!endif return; } Can you please check why the ACK is still sent on private IP ? Thanks Ali Taher "Ali Taher" <ataher(a)vanrise.com <https://e.mail.ru/compose?To=ataher@vanrise.com> > С уважением, Константин Поляков.

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