sr-users April 2018

sr-users@lists.kamailio.org

81 participants
103 discussions

TCP packet relay delayed (Kamailio 4.1.5)

by Andrew Chen

Hi Kamailio community, I need your urgent help regarding a situation where the Kamailio TCP packet delayed in relaying SIP packets. They delay between the time Kamailio logs the relay to the time it left the system was ~20 seconds difference, which is huge in SIP world. Any ideas, thoughts or suggestions on how I can narrow down to the problem? We have about 30 cases of this today Thanks in advance. -- Andy Chen Sr. Telephony Lead Engineer achen@ <achen(a)thinkingphones.com>fuze.com -- *Confidentiality Notice: The information contained in this e-mail and any attachments may be confidential. If you are not an intended recipient, you are hereby notified that any dissemination, distribution or copying of this e-mail is strictly prohibited. If you have received this e-mail in error, please notify the sender and permanently delete the e-mail and any attachments immediately. You should not retain, copy or use this e-mail or any attachment for any purpose, nor disclose all or any part of the contents to any other person. Thank you.*

6 years, 3 months

Diversion Headers

by Duarte Rocha

Greetings, Does the function "add_diversion() present in the "Diversion" module allows me to introduce other parameters (privacy, counter, etc) or is it only for the "diversion-reason"? If it doesn't let me do that, how can I add the Diversion with insert_hf() and make sure the headers are added in the right order? Cheers

6 years, 3 months

Any ideas on how to implement prepaid calling function which is persistent after restart

by Kit Lim

Hi Everyone, My project involves keeping track of the allowable duration for the caller to talk, and keeping track of the status of the call with the back end database. Currently i have implemented using the following modules (aside from the default modules in the sample config script). * http_async_client.so - to communicate with the backend DB * dialog.so - mainly use to detect the 200 ok answer in relation to invite, and the end of the call * cnxcc.so - to release the call when the allowable talk time is reached The flow is as below:- Invite -- > http to backend DB to ask for talk time <-- DB returns value 200 ok (answer) ---> http backend DB to update that the call has answered <-- DB returns ok dialog end or Cnxcc terminate --> http backend DB to update that the call has hangup My problem is that if there is a need to restart the kamailio config there is no 'graceful' way to hangup all the calls and inform the backend, or deny any new calls from coming in. If kamailio is restarted then cnxcc would have forgotten that there is a maximum talk time allowed to be called or recover from the restart. How to I make the system resilience to failures/restarts. Appreciate any good suggestions. regards CK

6 years, 3 months

Re: [SR-Users] Kamailio doesn't start with db_mongodb and usrloc.

by Konstantin Polyakov

Dear All, It looks like there is a serious error inside db_mongodb module in the latest versions of Kamailio 4.4.7 and 5.1.2. During query operations string fields inside result structure db1_res_t could be corrupted because of incorrect usage of bson memory. The issue is located in the function db_mongodb_convert_bson() around line 614. This issue is reproduced when we need to read more than 150 documents from the database. So that is why this issue still exists. Firstly bson_iter_utf8 function returns pointer to memory which is allocated inside bson memory and which is used multiple times. So the data must be copied into Kamailio memory instead storing that pointer. The pointer becomes invalid after some time. Secondly, this pointer must not be freed by the caller of bson_iter_utf8 . At the current version bson allocated pointer is freed by Kamailio function pkg_free like it is was allocated by pkg_malloc . So I am going to create ticket in the github and propose the fix. It looks like nobody uses mongodb with Kamailio in db_mode=1 :) Best regards Konstantin >---------------------------------------------------------------------- > >Message: 1 >Date: Sat, 21 Apr 2018 23:37:26 +0300 >From: Konstantin Polyakov < piligrim_pk(a)mail.ru > >To: sr-users(a)lists.kamailio.org >Subject: [SR-Users] Kamailio doesn't start with db_mongodb and usrloc. >Message-ID: < 1524343046.238272820(a)f356.i.mail.ru > >Content-Type: text/plain; charset="utf-8" > > >Hello! > >Similar issue but with different symptoms. > >kamailio 4.4.7 (tried to use db_mongodb module from 5.1.2) >usrloc is configured to use db_mode=1 and db_insert_null=1. > >MongoDB 3.6.3 >mongo-c-driver was tested 1.9.2 and 1.9.4. > >location table contains 300 records. > >The issue was not reproduced since February when we started a new feature. Now it is reproduced constantly, but on some machines. > >Logs: > >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <all.com>...ignoring >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:256]: dbrow2info(): bad callid >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for agent in table location >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:231]: dbrow2info(): bad contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for cflags in table location >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <��keepalive>...ignoring >[0;39;49m[0;35;49m 1(13958) WARNING: usrloc [../../ut.h:717]: shm_str_dup(): shm_str_dup fallback; dup called for src->s == NULL or src->len < 0 >[0;39;49m[0;35;49m 1(13958) WARNING: usrloc [../../ut.h:731]: shm_str_dup(): shm_str_dup fallback; skip memcpy for src->s == NULL >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:231]: dbrow2info(): bad contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for cseq in table location >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:231]: dbrow2info(): bad contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for 5.17.xxx in table location >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:231]: dbrow2info(): bad contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for .17.x in table location >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <nce>...ignoring >[0;39;49m[0;35;49m 1(13958) WARNING: usrloc [../../ut.h:717]: shm_str_dup(): shm_str_dup fallback; dup called for src->s == NULL or src->len < 0 >[0;39;49m[0;35;49m 1(13958) WARNING: usrloc [../../ut.h:731]: shm_str_dup(): shm_str_dup fallback; skip memcpy for src->s == NULL >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:476]: preload_udomain(): empty username record in table location...skipping >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <c-89-5ada654b-35a2-42>...ignoring >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <>...ignoring >[0;39;49m[0;33;49m 1(13958) CRITICAL: usrloc [udomain.c:231]: dbrow2info(): bad contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:484]: preload_udomain(): skipping record for 38.146:5360 in table location >[0;39;49m[0;39;49m 1(13958) DEBUG: usrloc [udomain.c:313]: dbrow2info(): non-local socket <ified>...ignoring >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [ucontact.c:94]: new_ucontact(): no ruid for aor: lQ.com@5.17.60@8/Ղusername >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [urecord.c:149]: mem_insert_ucontact(): failed to create new contact >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [udomain.c:517]: preload_udomain(): inserting contact failed >[0;39;49m[0;31;49m 1(13958) ERROR: usrloc [ul_mod.c:457]: child_init(): child(1): failed to preload domain 'location' >[0;39;49m[0;31;49m 1(13958) ERROR: <core> [sr_module.c:923]: init_mod_child(): Error while initializing module usrloc (/usr/ecsp/lib64/kamailio/modules/usrloc.so) >[0;39;49m[0;31;49m 1(13958) ERROR: <core> [pt.c:329]: fork_process(): init_child failed for process 1, pid 13958, "udp receiver child=0 sock=5.17.138.137:5060 (5.17.138.137:5060)" >[0;39;49m[0;33;49m 1(13958) CRITICAL: <core> [main.c:1615]: main_loop(): Cannot fork >[0;39;49m[1;31;49m 0(13956) ALERT: <core> [main.c:740]: handle_sigs(): child process 13958 exited normally, status=255 >[0;39;49m[0;36;49m 0(13956) INFO: <core> [main.c:768]: handle_sigs(): terminating due to SIGCHLD >[0;39;49m[0;39;49m 0(13956) DEBUG: <core> [main.c:770]: handle_sigs(): terminating due to SIGCHLD > > >Could you please help us to resolve the issue? >Thank you in advance. >Best regards >Konstantin >

6 years, 3 months

UAC with HA1

by Ben Hood

Hi, Does the UAC module support ha1 passwords for the remote registrar? The DDL for the uacreg table indicates the might be the case, but it’s unclear which one the UAC module would use by default. Is there a parameter to set this? Cheers, Ben

6 years, 3 months

Planning the release of Kamailio v5.1.3

by Daniel-Constantin Mierla

Hello, I am considering to package a new release from branch 5.1, respectively v5.1.3 sometime next week, likely on Tuesday or Wednesday (April 24 or 25). I any issue is not yet reported on github tracker, do it as soon as possible to have a chance to be investigated. Cheers, Daniel -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com

6 years, 3 months

Use of MariaDB to replace MySQL

by Ginhoux, Patrick

Hi, Currently, my Kamailio proxy uses a MySql DB to get configuration data. We have a plan to migrate MySQL to MariaDB. Is there MariaDB modules with Kamailio ? Thanks in advance for your answer. P. Ginhoux

6 years, 3 months

Kamailio not listening to proper ipv6 address

by selak Dev

Hi, I need to enable Kamailio to work with ipv6 also, and I enabled auto_bind_ipv6=1 and when restarted I can see that it is listening to ipv6 ip addresses also. The problem is that it stripped the ip address at the end and it is listening to the wrong one. When I try to register I get timeout, since it is not listening the correct address. ip address of the server is 2604:a880:400:d0::yyyy:xxxx and when I execute "sudo netstat -plnt" too see which app is listening to which address/port I can see: .... tcp6 0 0 2604:a880:400:d0:::5085 :::* LISTEN 17748/kamailio tcp6 0 0 2604:a880:400:d0:::5061 :::* LISTEN 17748/kamailio It somehow stripped the last part of the address (yyyy:xxxx). I dont know if it is related to :: which would be all zeros, but it doesn't work even if i explicitly specify which address to listen with listen=[2604:a880:400:d0:0000:0000:yyyy:xxxx] or listen=tcp:[2604:a880:400:d0:0000:0000:yyyy:xxxx]:5061 or listen=tcp:[2604:a880:400:d0::yyyy:xxxx]:5061 I tried all combinations and the results are always the same... Have anybody had this problem before? Do you know how to fix this? Best regards, Marko Selakovic

6 years, 3 months

select outgoing interface

by Laurent Schweizer

Dear all, I have a config with multiple interface( multiple IP in same subnet) and want to know how I can select the interface used to send a request (UDP). The best is the possibility to choose for each request the outgoing interface but if it's not possible I think I can also work with a solution where the outgoing interface is defined globally ? I need this because one provider request one IP for inbound call and one IP for outbound call . Thanks Laurent

6 years, 3 months

Variables in database

by Nelson Migliaro

Hello, I am palnning to set variables to limit the number of channels but I would like to set up them in database in order to upload them without needing to restart the service. I also would like to have that db information to be loaded in memory. So far I only thought in dialplan module but i am looking for a more "fancy" way. Can someone recommend me a module? thank you

6 years, 3 months

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sr-users April 2018