sr-users November 2018

sr-users@lists.kamailio.org

68 participants
89 discussions

Execution Sequence of the Request_Route
by Abdulaziz Alghosh 13 Nov '18

13 Nov '18

Hello, I migrated from Kamailio 3.0.3 to Kamailio 5.1.4. and have two questions about the execution sequence of the Request_Route. The following condition trys to authenticate the first INVITE or REGISTER request which normally does not have the Authorization Header: route (auth) .. .. .. route[auth]{ if ( !proxy_authorize("myrealm", "subscriber") ) { proxy_challenge("myrealm", "0"); sl_reply_error(); exit; }; return; } For sure the … [View More]

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Redirects - are q values required to implement serial forking?
by Mike Montgomery 12 Nov '18

12 Nov '18

We have a situation where we get a redirect from a carrier with a list of carriers to send the transaction to in the contact header. None of the carriers in the contact header have q values assigned. We have implemented our redirect handling logic using the UAC_REDIRECT module (get_redirects()) with help from TM module (t-load_contacts(), t_next_contact()). (failure_route code is at bottom of this note) We find that when we receive a contact header with q values, we can launch requests … [View More]serially using t_next_contact() and individually work through the contact list until we get a positive response. When we get a redirect with no q values in the contact header we find that all contacts get loaded and launched in parallel. Although not stated in the documentation, it appears that in order to implement serial contact redirect handling, q values must be present in the contact header. Based on this assumption, and knowing that the redirecting carrier cannot include q values, we have attempted to modify the contact header and find that we are unable to add q values to the contact header. We have attempted without success to use remove_hf("Contact”) followed by append_hf("Contact: $(avp(contact)) \r\n”); where $(avp(contact)) is the avp where we have rewritten the contact header to include q values. Any guidance on how to handle this issue is appreciated. _________________________________________________________- Our failure route code: if (t_check_status("3[0-9][0-9]")) { xlog("L_INFO", "----> REDIRECT Contact Header --> $T_rpl($ct) --- Method $rm --- From $T_req($fu) --- To $T_req($tu) --- Destination $T_req($du) \n"); get_redirects("*:*"); if (!t_load_contacts()) { xlog("L_INFO", "-t_load_contacts() FAILED /n"); }; xlog("L_INFO", "####->LOAD CONTACT LIST $xavp(tm_contacts[0]=>uri) \n"); if (t_next_contacts()) { xlog("L_INFO", "-t_next_contact() loaded successfully /n"); xlog("L_INFO", "####-> NEXT CONTACT LIST $xavp(tm_contacts[0]=>uri) \n"); }; t_on_failure("serial"); if(t_relay()){ xlog("L_INFO","----->Relayed in MANAGE_FAILURE --- Method $rm --- Contact Header $ct \n"); }; exit; } else { xlog("L_INFO","-----> NO REDIRECT --- Method $rm --- Contact Header $ct \n"); exit; } failure_route["serial"] { xlog ("L_INFO", "Entered failure_route(serial) /n"); if (t_check_status("3[0-9][0-9]")) { xlog("L_INFO", "----> DOUBLE REDIRECT Contact Header --> $T_rpl($ct) --- Method $rm --- From $T_req($fu) --- To $T_req($tu) --- Destination $T_req($du) \n"); $xavp(tm_contacts[*]) = $null; xlog("L_INFO", "XXX-> tm_contacts reset to Null $xavp(tm_contacts[0]=>uri)\n"); get_redirects("*:*"); if (!t_load_contacts()) { xlog("L_INFO", "-t_load_contacts() FAILED /n"); }; xlog("L_INFO", "####-> LOAD 2 CONTACT LIST $xavp(tm_contacts[0]=>uri) \n"); } if (!t_next_contacts()) { exit; } xlog("L_INFO", "-t_next_contact() loaded successfully /n"); xlog("L_INFO", "####-> NEXT CONTACT LIST $xavp(tm_contacts[0]=>uri) \n"); t_on_failure("serial"); if(t_relay()){ xlog("L_INFO","----->Relayed in failure_route(serial) --- Method $rm --- Contact Header $ct \n"); }; } Best Regards, Mike Montgomery Principal, Trusted Technical Services, Inc. o - 919 924 4703 x3000 m - 919 539 6133 [View Less]

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Adding Perl Module to kamailio-5.1.6
by AL S 12 Nov '18

12 Nov '18

I am trying to install Perl module on Ubuntu 18.04 / Kamailio kamailio-5.1.6 and getting the following response: $ sudo apt-get install kamailio-perl-modules Reading package lists... Done Building dependency tree Reading state information... Done kamailio-perl-modules is already the newest version (5.1.2-1ubuntu2). You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: kamailio-perl-modules : Depends: kamailio (= 5.1.2-1ubuntu2) but … [View More]

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siptrace module doesn't close db connections
by Roman Dissauer 12 Nov '18

12 Nov '18

Hi, it seems that siptrace module doesn’t close db connections. I’m on Kamailio 5.1.4 from official debian stretch repository with postgresql db module enabled. siptrace config: modparam("siptrace", "db_url", DBURL) modparam("siptrace", "duplicate_uri", "sip:193.32.51.189:9060") modparam("siptrace", "hep_mode_on", 1) modparam("siptrace", "hep_version", 3) modparam("siptrace", "hep_capture_id", 1001) modparam("siptrace", "trace_mode", 1) Here you can see the open connections from the kamailio … [View More]host: # select client_addr, state, query from pg_stat_activity where client_addr = '10.23.101.61'; client_addr | state | query --------------+-------+---------------------------------------------------------------- 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' 10.23.101.61 | idle | select table_version from version where table_name='sip_trace' (31 Zeilen) another example, other installation with same kamailio version 5.1.4: # select client_addr, state, query from pg_stat_activity where client_addr = '10.23.102.1'; client_addr | state | query -------------+-------+---------------------------------------------------------------- 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' 10.23.102.1 | idle | select table_version from version where table_name='sip_trace' (39 Zeilen) Thanks Roman [View Less]

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Single session start
by José Antonio Gutiérrez Delgado 12 Nov '18

12 Nov '18

Hi, I would like to know if it is possible to make the last register of a user the active register and if possible the only one. I'm with an Android application and sometimes I can not deregister properly before the new registration, for example when the network changes, so there are times when the hanging signals do not work correctly when there is more than one register for a user. Is it possible to avoid that there is more than one register for a user? Is it possible to configure the last … [View More]

3 2

Custom authentication
by João Sávio 12 Nov '18

12 Nov '18

Hello! I was reading the documentation of Kamailio, And, although there are some authentication modules, I couldn't find a way to implement a custom authentication for SIP Register. Something that allows me, for example, to call a web server and returns if the user is authenticated, or the user data. Am I missing anything? Do you know if it's possible to do this using another way? Thanks João

2 2

high availability and load balancing
by eyas barhouk 10 Nov '18

10 Nov '18

hello dears, i'm using kamailio 5.1 as IMS , and i have the following servers: * p-cscf * i-cscf-1 ,icscf-2 * s-cscf-1,scscf-2 i need to do high availability and load balancing between my servers , but i have some questions like do i have to use keepalived or dispatcher module and what the benefits of each one of them ,and on load balancing method should i do it for the register requests or only for invite requests or just for every thing ?? if any one has an idea or any thing to … [View More]

3 3

Client Registration and Call over Kamailio
by serkan celik 09 Nov '18

09 Nov '18

Hi all, I am using Kamailio as a proxy in front of a 3rd part Open IMS (Not IMS modules in kamailio). I have defined Kamailio as an outbound proxy in Soft clients(I have configured IMS users info in Soft Clients). When I send register from client to IMS, Register message is sent to IMS over Kamailio. Kamailio forwards this received Register to the 3rd party IMS. Finally the client is registered into IMS over Kamailio. However when I try to make a call from registered users (both registered … [View More]

3 5

systemd kamailio.service - RFC Wants=network-online.target
by Kevin Olbrich 08 Nov '18

08 Nov '18

Hi! The systemd kamailio.service file for debian (in my case, it's stretch) has the following unit options set: [Unit] > Description=Kamailio (OpenSER) - the Open Source SIP Server > After=network.target It would be better to change this to: [Unit] > Description=Kamailio (OpenSER) - the Open Source SIP Server > Wants=network-online.target > After=network-online.target Why? With network.target the service starts as soon as the network setup is started, not explicitly after … [View More]

3 6

cfg_lock_helper(): lock set not initialized
by Kjeld Flarup 08 Nov '18

08 Nov '18

Hi What does this error actually mean? I get it with 5.1.4 Nov 6 13:27:02 scantronpbx /usr/sbin/kamailio[2149]: ERROR: cfgutils [cfgutils.c:708]: cfg_lock_helper(): lock set not initialized (attempt to do op: 1 on: u1) -- -------------------- Med Liberalistiske Hilsner ---------------------- Civilingeniør, Kjeld Flarup - Mit sind er mere åbent end min tegnebog Sofienlundvej 6B, 7560 Hjerm, Tlf: 40 29 41 49 Den ikke akademiske hjemmeside for liberalismen - www.liberalismen.dk

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sr-users November 2018