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37456 discussions

Development environment for the pre-commit hooks and clang-format
by Daniel-Constantin Mierla 10 Nov '23

10 Nov '23

Hello, during the Kamailio Developers Meeting 2023 in Dusseldorf early this week, Victor Seva shared how one can setup own development environment for facilitating the automatic checks for clang-format and few other useful bits (e.g., training white spaces) using pre-commit tool. So I thought it would be useful to shared further to both developers and users communities (as the later can make patches and pull requests as well). If I forgot something, Victor should amend me, but the main steps are: - install pre-commit package (either via apt or via pip3) - install clang-format (debian/ubuntu should have it as a package) - go to the folder with git clone of Kamailio source and run: pre-commit install The above command can take some time, but it is needed only once. After that, on evey commit, the checks should be performed a summary should be presented on screen, like: $ git commit src/ check yaml...........................................(no files to check)Skipped check xml............................................(no files to check)Skipped fix end of files.........................................................Passed trim trailing whitespace.................................................Passed check for merge conflicts................................................Passed mixed line ending........................................................Passed clang-format.............................................................Passed If the check of clang-format results in "Failed", like: clang-format.............................................................Failed the pre-commit hooks will correct it, so you can just run again the commit command and the 2nd time should be good to go. If for whatsoever reasons pre-commit is installed but you need to ignore/skip the pre-commit hooks, just provide -n or --no-verify to the commit command, like: $ git commit -n src/ By using pre-commit hooks, one could easily avoid making pull requests that are failing to meet the code formatting checks on github portal as well as ensure that as developer one does no forget to run clang-format before commit. Cheers, Daniel -- Daniel-Constantin Mierla (@ asipto.com) twitter.com/miconda -- linkedin.com/in/miconda Kamailio Consultancy and Development Services

1 0

Issue with Dialog Handling in Kamailio Post 2-Minute Duration
by aaron.soto＠dialapplet.com 10 Nov '23

10 Nov '23

I'm encountering an issue with dialog handling in Kamailio. Initially, everything functions correctly, and if a connection terminates within two minutes, the BYE method works as expected. However, if the call exceeds two minutes, the BYE method doesn't seem to be recognized, and there are no related entries in the logs. As someone new to working with Kamailio, I'm finding this quite perplexing. Could anyone offer guidance or troubleshooting steps to resolve this issue? Thank you for your assistance.

3 6

Sharing load between rtpengine servers
by David Cunningham 09 Nov '23

09 Nov '23

Hello, We have a Kamailio configuration with the following, however all the load is going to the server at 22.22.22.22 (hiding the real IP obviously) instead of being shared evenly between 22.22.22.22 and 33.33.33.33. Can anyone please tell me why? The rtpengine server at 11.11.11.11 is intended to only receive calls if the other two are offline. Thank you very much. #!define RTPENGINE_ADDR "udp:11.11.11.11:7724=1 udp:22.22.22.22:7724=99999999 udp:33.33.33.33:7724=99999999" modparam( "rtpengine", "rtpengine_sock", RTPENGINE_ADDR ) -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782

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Redis issue when getting results in Kamailio
by Ali Taher 09 Nov '23

09 Nov '23

Hello all, I have redis database where the data is inserted in JSON format: #Redis Command JSON.GET Index1J:12345678 #Redis Result [ { "SupplierID": "7", "BCode": "987654", "Rate": 0.159 }, { "SupplierID": "7", "BCode": "765432", "Rate": 0.159 }, { "SupplierID": "7", "BCode": "5432159", "Rate": 0.159 } ] When I try to get the result using Lua script in Kamailio like the following: #kamailio command if KSR.ndb_redis.redis_cmd("srvN", "JSON.GET pricelistJ:441246890", "ra") then KSR.xlog.xinfo("array size: $redis(ra=>size)\n"); KSR.xlog.xinfo("Redis Response: " .. tostring(ra) .. "\n") KSR.xlog.xinfo("first values: $redis(ra=>value[0]) , $redis(ra=>value[1])\n"); end Nov 7 07:58:15 868d08ee318d /usr/sbin/kamailio[72]: INFO: LUA {INVITE}: <script>: array size: <null> Nov 7 07:58:15 868d08ee318d /usr/sbin/kamailio[72]: INFO: LUA {INVITE}: <script>: Redis Response: nil Nov 7 07:58:15 868d08ee318d /usr/sbin/kamailio[72]: INFO: LUA {INVITE}: <script>: first values: <null> , <null> I'm getting null results. I don't know what I'm doing wrong here. Can you please assist?

2 3

Sequential fork with different Call-Ids
by Vanderlei Torres Batistela 09 Nov '23

09 Nov '23

Hello all, I have a scenario on wich requires sequential fork (up to 30 possible destinations) with different Call-ID for each leg. I am using topoh module enabled, but it always puts the same Call-ID. Someone have a solution for this scenario? Regards

4 3

3xx is not relayed to the caller if there are 2 or more branches in the transaction
by Михаил Горюцкий 07 Nov '23

07 Nov '23

Hello, I encountered such a problem: An INVITE request comes to Kamailio. Kamailio finds a location and forwards this INVITE to a device. The device receives a push notification and registers on a new IP: port. The tsilo module creates a new branch. And this branch sends the INVITE. The device responds with 100 -> 180 -> 302. 100 and 180 are forwarded to the calling subscriber, but anything greater than 300, such as 302, is not forwarded. DEBUG: tm [t_reply.c:1363]: t_should_relay_response(): ->>>>>>>>> T_code=180, new_code=302 DEBUG: tm [t_reply.c:1448]: t_should_relay_response(): store - other branches still active DEBUG: tm [t_reply.c:1925]: relay_reply(): reply status=3 branch=1, save=1, relay=-1 icode=0 msg status=302 Kamailio saves this code and does not pass it to the caller. Is there a way to immediately pass this 302? It seems like something can be done in t_on_branch_failure, which is invoked, but I can't figure out what needs to be done there. Is there a parameter that can solve my problem? A similar question has been asked before, but the link in Daniel's response leads to a non-existent ID: https://lists.kamailio.org/pipermail/sr-users/2009-March/022447.html

2 2

defexps not working as expected
by Richard Chan 07 Nov '23

07 Nov '23

In the config file: #!define KEYVALUE "key=s:value" modparam("pv", "varset", KEYVALUE) works. But if I try to use defexp or defexps the ID KEYVALUE is not set as expected and the parser complains. ## this doesn't parse #!defexp KEYVALUE2 "key=s:value" #!defexps KEYVALUE3 "key=s:value" # both these lead to syntax error modparam("pv", "varset", KEYVALUE2) modparam("pv", "varset", KEYVALUE3) Any ideas why defexp doesn't behave the same way here? Shih-Ping

1 0

SIP Proxy : BYE next hop
by Ali Taher 03 Nov '23

03 Nov '23

Hello all, I'm using Kamailio as SIP proxy between session manager and SBC. I came across an issue in BYE request where the SBC sent in the header list of Routes where first route is Kamailio IP, and the second is SM IP, in addition to other routes (last route is the caller party) What Kamailio did is to route the BYE to the address set in the Request-URI, which is the caller party. What should be done instead is that Kamailio should remove the Route header including its own IP, and route the BYE to the next hop which is in this case the SM IP. How to accomplish that? Following is the Route header in the BYE request coming from SBC: [truncated]Route: <sip:KAMAILIO_IP;lr;ftag=xxxxxxxxxxxxxxxxxxxxxxx>,<sip:SM1@SM_IP;transport=udp;lr;av-asset-uid=xxxxxxxxxx>,<sip:127.0.0.2:15060;transport=udp;ibmsid=local.xxxxxxxxxxxx_xxxxxxxxx_xxxxxxxxx;lr;ibmdrr>,sips:127.0.0.2:15061;ibmsid=local.xxxxxxxxxx_xxxxxxxxxx_xxxxxxxx;lr;ibmdrr, sip:SM1@SM_IP;transport=tls;lr;av-asset-uid=xxxxxx, sip:CALLER_PARTY_IP:5061;transport=tls;lr Regards,

3 6

PLMN 31501 , VoLTE IMS Kamalio
by snahmed.snahmed＠gmail.com 31 Oct '23

31 Oct '23

Hi, I was able to test the PLMN 00101 for VoLTE, but unable to test it with other PLMNs. I am specifically looking to have a successful test with PLMN31501. VoLTE is not enabling once I configure it. I followed this https://open5gs.org/open5gs/docs/tutorial/02-VoLTE-setup/ Any one has experience for PLMN 315?

1 0

Registrar / Path
by Jawaid Bazyar 31 Oct '23

31 Oct '23

Hi, I have a scenario where I have an edge proxy (named RS), which locally stores registrations from Endpoints in its USRLOC, but which then also forward's REGISTER requests on to another proxy (named CN), which stores registrations in its USRLOC. (which then does DMQ with another CN like it). Both RS and CN are storing Path information, for example: kamctl ul show displays on both RS and CN: "Path": "sip:vs-rs01.blah.foo.bar;lr;received=sip:3.4.5.6:33577", So I know the path info is in there. I want CN , when presented with an INVITE, to reply with a 302 Redirect. Right now I have this: if (!lookup("location",sip:$tU@nodomain)) { } reg_fetch_contacts("location", "$tu", "called"); xlog("location info $ulc(called=>path)"); sl_send_reply("302","Redirect"); and the xlog does display the path. Good, so I have it being sent all the way through RS and CN and into CN’s USRLOC. but this isn’t complete. I am now faced with two issues. One, I need to mangle the Path into a Contact header for the Redirect. Two, I need to delete the Contact header that sl_send_reply is putting on there, which is the Contact as RS sees it from the endpoint. This needs to be removed and replaced with a Contact of only the RS server. It feels like there ought to be a simpler way to do this than parsing the Path string and reassembling a Contact from it, but if there is it's not readily apparent. Both Google and chatgpt have failed me :) Thanks in advance, Jawaid

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