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42 participants
37519 discussions

uac_auth and (serial) forking
by Daniel Tryba 30 Aug '16

30 Aug '16

Trying to implement a way to authenticate outgoing INVITEs to endpoints that need/want to. uac_auth in the initial failure route works fine when there is only 1 registered user to send the INVITE to. But with at least 2 locations are available and 1 accepts the INVITE without authentication, the 401 of the location that wants authentication isn't processed in the failure route until a timeout is triggered (t_set_fr). At that point the 401 is processed and a response generated with Authentication header. But since t_set_fr invite timeout was exceeded it is immediatly destroyed due to a CANCEL having been generated to the location(s). t=0: t_set_fr(10000); INVITE to A anb B A responds 100 Trying,180 Ringing B responds 401 Unauthorized t=10s: T_code=180, new_code=408 failure route status: 401 uac_auth() INVITE with Authorization is build to B CANCEL to A INVITE to B is never send Is this expected behaviour? Obviously I didn't expect this.

2 4

Configuration Issue on Kamailio.
by Laura 30 Aug '16

30 Aug '16

Dear list, i'm asking here a question about Kamailio config. We are testing a wide area configuration of Kamailio over separates countries and we are still facing with an issue. We configured Kamailio 4.3.5 with dialog support over the TM modules and we use LCR module for menage ours LCRs rule set profiles. For some technicals reasons we use tech prefix for our customer so for exaples customer1 send traffic to us with 1111 prefix, customer2 send traffic to us with 2222 and something similar.. Our supplier, of course, are using tech prefix too so for examples if i want to send the call to supplier1 i need to use tech prefix 1789 or something similar.. The point is.. When customer1 is sending an invite to us.. it send us something like (Bangladesh mobile 8801xxx) INVITE sip:11118801xxxxxxx@aaa.bbb.ccc.ddd Our Kamailio will reply with the Trying and then it goes to LCR module and match our supplier1 so it make a new invite like this INVITE sip:17898801xxxxxx@supplier.ip The problem come when supplier1 reply to us and we replies back to customer1.. Customer1 view the From: field with the 17898801xxxxxx numbers.. and some of our customers don't like it. We don't use anymore the topoh module becuase we found some troubles using it.. so.. Is there a way that we can use for fix this situation ? Best regards.

4 7

Kamailio and user registration and a question on STUN servers
by Kevin Greene 29 Aug '16

29 Aug '16

Hello Group: I am looking for a way to allow any SIP client to register to my (development) network without having to be already registered in the database. Is there a way for the user client to register and create a valid user subscription in the database? The SIP clients I am using have hard coded passwords and I can not change them. I think once loaded into the database, I can delete the ones I do not want later after I close automatic registration feature... The second question is on STUN servers. Is there a good way to test to see if one is working from outside your network? I was looking for some sort of web based tool I could access to see if my public STUN server is really working. I am using the "reTurnServer" software on Linux. I am only allowing TCP based STUN requests. Thank you. Sample log entry for a external user trying to access the development network. I would like to give this person access to place calls on the system. 199.58.xxx.xxx.nebraskalink.com - - [25/Aug/2016:18:02:49 +0000] "GET /download/?ojo-mac=00:02:54:00:a5:eb&ojo-id=2000-0005-2F52&ojo-rev=rev02.01.15&ojo-config-id=e712e6cb088ab9b4ef246488b979cbf6&ojo-stun-type=Blocked&ojo-sn=15190252560146703100&ojo-key-id=e0142f126a5197845a24f33deedc358645e67e5f HTTP/1.0" 200 1812 "-" "Wget/1.9.1"

3 2

Kamailio S-CSCF Error
by Rodrigo Moreira 29 Aug '16

29 Aug '16

Hello, How can I deal with the error: Aug 13 13:55:43 scscf kamailio[2961]: tcp: 192.168.0.101 [192.168.0.101]:5060 Aug 13 13:55:43 scscf kamailio[2961]: Aliases: Aug 13 13:55:43 scscf kamailio[2961]: *: scscf.k-ims.test:5060 Aug 13 13:55:43 scscf kamailio[2961]: 0(2963) ERROR: ims_usrloc_scscf [ul_mod.c:294]: mod_init(): can't bind presence Aug 13 13:55:43 scscf kamailio[2961]: 0(2963) ERROR: <core> [sr_module.c:968]: init_mod(): Error while initializing module ims_usrloc_scscf (/usr/lib/x86_6..._scscf.so) Aug 13 13:55:43 scscf kamailio[2961]: ERROR: error while initializing modules Aug 13 13:55:43 scscf kamailio[2961]: 0(2963) CRITICAL: cdp [diameter_peer.c:487]: diameter_peer_destroy(): destroy_diameter_peer(): Bye Bye from C Diameter Peer test Aug 13 13:55:43 scscf systemd[1]: kamailio.service: control process exited, code=exited status=255 Aug 13 13:55:43 scscf systemd[1]: Failed to start Kamailio (OpenSER) - the Open Source SIP Server. Aug 13 13:55:43 scscf systemd[1]: Unit kamailio.service entered failed state. Thank you. Regards., -- Rodrigo M. (37) 9132-4539 (34) 9889-3069 rodrigo.moreira2007

2 2

ims_dialog- dlg set error
by Suresh.Waware＠relianceada.com 26 Aug '16

26 Aug '16

Hi, We are using kamailio 4.4.2 version source code. For building SCSCF we are using example configuration files provided in the source code. While running SCSCF; we are facing following error. ERROR: ims_dialog [ims_dialog.c:378]: mod_init(): no dlg flag set!! q Regards, Suresh The information contained in this electronic message (email) and any attachments to this email are intended for the exclusive use of the addressee(s) and access to this email by any one else is unauthorised. The email may contain proprietary, confidential or privileged information or information relating to Reliance Group. If you are not the intended recipient, please notify the sender by telephone, fax, or return email and delete this communication and any attachments thereto, immediately from your computer. Any dissemination, distribution, or copying of this communication and the attachments thereto (in whole or part), in any manner, is strictly prohibited and actionable at law. The recipient acknowledges that emails are susceptible to alteration and their integrity can not be guaranteed and that Company does not guarantee that any e-mail is virus-free and accept no liability for any damage caused by any virus transmitted by this email.

3 2

Change debug level without restarting Kamailio
by Federico San Martín 26 Aug '16

26 Aug '16

Hi guys, sorry for the newbie question, I searched for it and couldn't find any reference, is there a way to change the debug level of a kamailio server on the fly? If I need to add an additional module it's not a problem. I'm using version 4.4.2 on Debian Jessie. Thanks! Federico

3 3

kamailio crushes because of tcp errors
by Dmitry 26 Aug '16

26 Aug '16

hel >From time to time (it does not depend upon traffic) we see in logs: ERROR: <core> [tcp_read.c:274]: tcp_read_data(): error reading: Bad file descriptor (9) ([ip_address]:49832 -> [ip_address]5060) ERROR: <core> [tcp_read.c:1303]: tcp_read_req(): ERROR: tcp_read_req: error readingERROR: <core> [io_wait.h:608]: io_watch_del(): trying to delete already erased entry 3031 in the hash(0, 0, (nil)) flags 10)CRITICAL: <core> [tcp_read.c:1654]: handle_io(): io_watch_del failed for 0x7f8471c51820 id 867 fd 3031, state 0, flags 4018, main fd 179, refcnt 2 ([ip_address]:49832 -> [ip_address]:5060) there are a lot of such TCP CRITICAL errors and the kamailio crushes kamailio -vversion: kamailio 4.3.5 (x86_64/linux)flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RESADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MBpoll method support: poll, epoll_lt, epoll_et, sigio_rt, select.id: unknowncompiled on 17:51:55 Mar 8 2016 with gcc 4.4.7 It is still not clear - what exactly causes such behaviour. I want to recriate it in the lab - so what can cause it.? May be a process erases the file descriptors of TCP connections? Any help is appreciated.

1 1

Checking if a reply is part of a forked transaction
by Phil Lavin 25 Aug '16

25 Aug '16

We need to check if a 1XX reply is part of an INVITE transaction that was forked to 2 or more phones. We figure that we can do a location lookup, based on the to header of the 1XX... but is there a better way? Phil

4 4

Fwd: Kamailio with SNMP
by Rodrigo Moreira 24 Aug '16

24 Aug '16

Hello, Once set up and running the Kamailio environment would like to install SNMP and incorporate the functionality to collect the statistics of IMS entities. It's possible? When I call the module "snmpstats" I am informed that the module is not present. How can I solve? Another issue, which modules are monitorable via SNMP, P-CSCF, I-CSCF, S- CSCF? All? Regards. -- Rodrigo M. (37) 9132-4539 (34) 9889-3069 rodrigo.moreira2007

2 1

Monitor diameter state and number of current calls
by Ramiro Romero Arjona 23 Aug '16

23 Aug '16

Hi, We would like to know if there is some way to check the state of a diameter connection (to see is it's in state 6: connected), inside the kamailio configuration script. Also we would like to know if there is a way to see the number of current calls in a kamailio through kamcmd, kamctl or something like that. We have searched for a solution but we don't find anything. Many thanks.

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