sr-users July 2020

sr-users@lists.kamailio.org

58 participants
91 discussions

Registrar - registered match_received
by Ilie Soltanici 27 Jul '20

27 Jul '20

Hello, Yes, i have it there but the variable name was mismatching with the module variable name: $xavp(regcfg=>match_received) = $su; modparam("registrar", "xavp_cfg", "reg") It's all good now. Thanks for your help.

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Registrar - registered match_received
by Ilie Soltanici 27 Jul '20

27 Jul '20

Hello, Trying to check if an extension it's already registered with the same received path. if (registered("location","$fu",2)) { sl_send_reply("200","OK"); exit; }; But, it's not working for me, getting true even if the received path it's different: This is what I'm getting from Kamailio: [root@dev ilie.soltanici]# /usr/local/sbin/kamcmd ul.dump { Domains: { Domain: { Domain: location Size: 1024 AoRs: { Info: { AoR: 101 HashID: -1698832128 Contacts: { Contact: { Address: sip:101@192.168.1.10:12767;ob Expires: 2452 Q: 1.000000 Call-ID: 3fa6c9f7db404e8e93a9664c3634ddf7 CSeq: 31114 User-Agent: MicroSIP/3.19.31 Received: sip: 192.168.1.10:12767 Path: [not set] State: CS_SYNC Flags: 0 CFlags: 12288 Socket: udp: 192.168.1.1:5060 Methods: 8159 Ruid: uloc-b-5f1eea5d-57b0-1 Instance: [not set] Reg-Id: 0 Server-Id: 11 Tcpconn-Id: -1 Keepalive: 1 Last-Keepalive: 1595862742 Last-Modified: 1595861637 } } This is the SIP Trace: 2020/07/27 16:17:12.214151 192.168.1.10:12610 -> 192.168.1.1:5060 OPTIONS sip:dev.local SIP/2.0 Via: SIP/2.0/UDP 192.168.1.10:5060;branch=z9hG4bK-91-1-0 From: "Test Account" <sip:101@dev.local>;tag=91SIPpTag001 To: sip:dev.local Call-ID: 1-91(a)192.168.1.10 User-Agent: SIPP CSeq: 1 OPTIONS Content-Length: 0 As you can see the source port it's different 12767/12610, but the registered function is still getting true. Thank you.

2 1

Install 5.3 on Ubuntu 20.04 With MySQL 8
by Mark Boyce 27 Jul '20

27 Jul '20

Hi all This is installing 5.3 for Bionic (18.04) on Focal (20.04) but as I know you’re in the throws of building 5.4 thought I'd throw this out there in case it changes anything; Installing kamailio from; deb http://deb.kamailio.org/kamailio53 bionic main The following packages have unmet dependencies: kamailio : Depends: libreadline7 (>= 6.0) but it is not installable kamailio-mysql-modules : Depends: libmysqlclient20 (>= 5.7.11) but it is not installable kamailio-redis-modules : Depends: libhiredis0.13 (>= 0.13.1) but it is not installable libreadline7 -> libreadline8 (v 8.0-4) libmysqlclient20 -> libmysqlclient21 (v 8.0.21-1ubuntu20.04) libhiredis0.13 -> libhiredis-dev (v 0.14.0-6). Ubuntu Server 20.04 LTS (focal) MySQL 8 (From MySQL Repo) Redis 6 from latest stable Best regards Mark -- Mark Boyce Dark Origins Ltd

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Using GeoIP2 AS Lookup?
by Mark Boyce 27 Jul '20

27 Jul '20

Hi all Just looking at the latest GeoIP2 MaxMind databases (now requires registration, but still free) and noticed that they also include the AS (ISP) lookup one in the free offering. Wondering if this is another way to facilitate better security for users on dynamic IP. Typically working from home these days. So, rather than just limiting an end device to a country we could limit it to a particular ISP within that country. Has anyone tried this? Have I missed a reason why this wouldn’t help? Admin overhead not worth it? Thoughts? Best regards Mark -- Mark Boyce Dark Origins Ltd

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kamailio 5.3.5 - none local route header
by Jonathan Hunter 27 Jul '20

27 Jul '20

Hi Guys, Sorry if this is too generic or silly a question but I am testing kamailio 5.3.5 within Azure and its behind NAT. I am having an issue with passing an ACK from our internal side back out to the carrier side and it appears having run loose_route a none local route-header is consistently being removed by kamailio at this point. ie Route: <sip:CARRIER_IP;lr> Is this normal or configuration related? As I am unsure within what scenario I would remove a route header which doesnt contain the local Proxy IP. Please can someone advise? Many thanks Jon Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10

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Redis error: Server closed the connection / nbd_redis / kamailio 5.3.5
by Karsten Horsmann 27 Jul '20

27 Jul '20

Hi everyone, I get some strange errors from nbd_redis but my setup is working. kamailio 5.3.5 on CentOS 7.7.1908. Redis-Server is an haproxy frontend that pushed the stuff to an redis-sentinel cluster (with and really old version redis-3.2.1-2.el7.remi.x86_64). Any ideas on that? Jul 22 13:42:52 siptrunk5 kamailio[112377]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 13:43:34 siptrunk5 kamailio[112359]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 13:43:34 siptrunk5 kamailio[112378]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 13:44:33 siptrunk5 kamailio[112363]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 13:45:03 siptrunk5 kamailio[112362]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 14:00:01 siptrunk5 kamailio[112381]: ERROR: ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection Jul 22 14:00:01 siptrunk5 kamailio[112365]: ERROR: {24519 CANCEL 59644df6-68ac-4dd6-9fa5-1a9c2eda3b59} ndb_redis [redis_client.c:1083]: redisc_exec_argv(): Redis error: Server closed the connection # grep redis /etc/kamailio/kamailio.cfg loadmodule "ndb_redis.so" loadmodule "topos_redis.so" modparam("ndb_redis", "server", "name=CFG_REDIS_NAME;addr=CFG_REDIS_ADDR;port=6379;db=CFG_REDIS_DB") modparam("ndb_redis", "connect_timeout", 1500) # default 1000ms/1sec modparam("ndb_redis", "cmd_timeout", 1500) # default 1000ms/1sec modparam("topos", "storage", "redis") modparam("topos_redis", "serverid", "CFG_REDIS_NAME") -- Cheers *Karsten Horsmann*

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failed to lock the memory pages (disable swap) WARNING
by Joel Serrano 27 Jul '20

27 Jul '20

Hi all, Can anyone give me some info on what this warning means: Jul 7 17:02:29 csbc02 csbc[16006]: WARNING: <core> [core/daemonize.c:596]: mem_lock_pages(): failed to lock the memory pages (disable swap): Cannot allocate memory [12] Yes, if I set mlock_pages=no I don't see the warning, but I'm trying to understand why can't it allocate with mlock_pages=yes. Joel.

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Kamailio Installation Steps
by Abdul Rasheed 26 Jul '20

26 Jul '20

Hello All , I am trying to setup Kamailio on Debian . May i know which document should be followed for installing the latest version of Kamailio on Debian 10 Buster. ? Thanks and Regards Abdul Rasheed

2 2

Dialplan: using $avp("key") on subst rule with regexp capturing group
by João Vitor Arruda 24 Jul '20

24 Jul '20

Hello, I'm trying to use the dialplan with $avp("key") on match_exp and subst_exp but i'm getting an error message when there is a regex capturing group on subst_exp to be used on repl_exp This is the config used: modparam("dialplan", "match_dynamic", 1) $avp(s:PSTNAC) = "0"; Dialplan entry: dpid = 1 match_op = 1 match_exp = ^$avp(s:PSTNAC) match_len = 0 subst_exp = ^$avp(s:PSTNAC)(.*) repl_exp = 9\1 After executing dp_translate while the dialplan is properly matched the following error message occurs and the repl_exp didn't work as expected: ERROR: dialplan [dp_repl.c:422]: rule_translate(): illegal access to 1-th subexpr of subst expr (max 0) I've tried some other dialplan entries like: dpid = 1 match_op = 1 match_exp = ^$(avp(s:PSTNAC)[*]) match_len = 0 subst_exp = ^$(avp(s:PSTNAC)[*])(.*) repl_exp = 9\1 But that resulted in the same error message and no replacement either. Any suggestion on what I'm doing wrong here? Thanks, Joao Arruda

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how to achive destination number based routing before falling back to dispatcher-module
by Christoph Russow 24 Jul '20

24 Jul '20

Hi all, im fairly new to Kamailio and currently setting up our new sip-server systems so, hello everyone! right now i have a Kamailio SBC which routes all calls using the dispatcher module to our internally setup application servers (freeswitch). i just got the idea that we might want specific routing based on destination phone number in addition to simple loadbalancing. can anyone point me in the right direction where i should look for something i can place before the dispatcher routing to route calls based on some entries in a database like destination number XYZ goes to server A, number ABC goes to server Z and so on. Or is there a way to select the dispatcher group id from the database based on destination number? best regards Christoph

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sr-users July 2020