sr-users October 2015

sr-users@lists.kamailio.org

77 participants
128 discussions

kamctl fifo t_uac_dlg TLS
by Ahmed Salem 02 Nov '15

02 Nov '15

Hi, I have a kamailio tls configuration which is working fine for calls & messages In the tls configuration i set these parameters to yes for the server and client verify_certificate = yes require_certificate = yes But when I use "kamctl fifo t_uac_dlg MESSAGE" to send a message I get the following errors, when verify_certificate & require_certificate are set to no the message is sent correctly. Can somebody please help me resolve this issue. tls [tls_server.c:1193]: tls_read_f(): TLS write:error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed <core> [tcp_read.c:1326]: tcp_read_req(): ERROR: tcp_read_req: error reading tls [tls_server.c:1193]: tls_read_f(): TLS accept:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca <core> [tcp_read.c:1326]: tcp_read_req(): ERROR: tcp_read_req: error reading Thanks Ahmed

2 5

dmq_usrloc for writing to DB on one machine
by Sebastian Damm 02 Nov '15

02 Nov '15

Hi, I evaluated the dmq_usrloc module, and it works pretty good if there are two identical machines which replicate their location with each other. But what I actually want to do is to send registrations to an extra machine which is just there for writing the location into a central DB (in one table for all the registrars), from where it can be accessed (by a web page for example). So for example, I have three machines, registrar 1 and registrar 2, and receiver. receiver will never interact with customers. It is just there for writing the location into the database. I configured both registrars to send their packets to receiver, and I configured the receiver to send its packets (which it actually never does) to a dns name containing both registrars. But after reading the content of some PING messages and reading something about "autodiscovery" of dmq on the mailing list, I'm not sure whether my scenario will work the way I want it to. Can somebody explain whether I can use dmq_usrloc for this purpose? Or is it only intended to be used for bidirectional replication? Best Regards, Sebastian

2 5

100% CPU usage after NTP date update
by Stefan Kohlhauser 02 Nov '15

02 Nov '15

Hello everyone! Setup: I am currently using a Kamailio 4.2.3 on an embedded device (low CPU and RAM). The device is not able to store the current date, so after a reboot its 1. Jan 1970 until NTP updates the date. Problem: If the date is updated after the Kamailio has started (a leap of 45 years) the Kamailio uses up all the CPU and renders the device useless for a very long time. Notes: There are no incomming requests at the time. (But the Kamailio is not responsive during that time anyway.) Adjusting the internal Kamailio-time seems to take longer when the date update leap is bigger. My questions: 1) Can I prevent the Kamailio from using up the entire CPU after a date update? Or maybe do the internal ticks-update more gracefully? 2) For my better understanding: What happens within the Kamailio after adjust_ticks has updated the internal date? Thanks in advance for your help! Best regards, Stefan

2 4

Multi-Array with AVPs
by Jonathan Hunter 02 Nov '15

02 Nov '15

Hi Guys, Hope all are well? sorry to post but Im just trying to get something working where Im trying to convert a php function script into the kamailio.cfg. Im getting there but wonder how I can group results of sets of avps with another avp. Say I have these variables; $(avp(NTgrp)) = 'SB100_000361@1.2.3.4|SB100_000213@1.2.3.5|SB100_000225@1.2.3.6|SB100_000361@1.2.3.7|SB100_000213@1.2.3.8';$(avp(Prio)) = '1|1|1|2|2';$(avp(Wgt)) = '10000|10000|80000|30000|70000';$(avp(CInc)) = '0|0|1|0|1';$(avp(WTot))= '100000|100000|100000|100000|100000'; I then run a while script to split up their variables via the delimiter | in user; $var(j)=0;while($var(j)<$var(count)) {$(avp(NTgrpP))=$(avp(NTgrp){s.select,$var(j),|});$(avp(PrioP))=$(avp(Prio){s.select,$var(j),|});$(avp(WgtP))=$(avp(Wgt){s.select,$var(j),|});$(avp(CIncP))=$(avp(CInc){s.select,$var(j),|});$(avp(WTotP))=$(avp(WTot){s.select,$var(j),|});xlog("L_INFO"," Now Each time we have $(avp(NTgrpP)) $(avp(PrioP)) $(avp(WgtP)) $(avp(CIncP)) $(avp(WTotP))\n");$var(j)=$var(j)+1;} This then results in;INFO: <script>: Now Each time we have SB100_000223(a)1.2.3.4 1 10000 0 100000INFO: <script>: Now Each time we have SB100_000225(a)1.2.3.5 1 10000 0 100000INFO: <script>: Now Each time we have SB100_000386(a)1.2.3.6 1 80000 0 100000INFO: <script>: Now Each time we have SB100_000213(a)1.2.3.7 2 30000 0 100000INFO: <script>: Now Each time we have SB100_000361(a)1.2.3.8 2 70000 0 100000 Now what Id like to do is group them via priorities so I can do some further functional checks on them when in same priority group, as you can see there are 3 results at priority 1 and 2 at priority 2. Is there away I can create something of a multi-array using the AVP $(avp(PrioP)) I just created so I can group by priority? As in php I would do something like; $multi_arr[$prio_arr[$p]][] = array( "ntgrp" => $ntgrp_arr[$p], "prio" => $prio_arr[$p], "wght" => $wght_arr[$p], "cinc" => $cinc_arr[$p], "wtot" => $wtot_arr[$p], ); } Any help would be great. Many thanks Jon

3 6

Q: about CRL list (TLS)
by Vladimer Gabunia 02 Nov '15

02 Nov '15

hello all. we compiled kamailio with TLS Support. but have next problem when using CRL Lits. Our Certificate issuing scheme is follow: Offline Root CA -> Enterprise SubCA -> Server and Phone Certificate CRL list is signed by SubCA. option "require client certificate is enables (1) " When we enable CRL list, phones are not registered. CA file is offline RootCA certificate in pem format. We think that the reason is that СRL was signed by Subca or incorrect CRL format. CRL is converted from MS CRL to PEM. (What is the format for the CRL) maybe someone have experiance with similar scenarios? thanks in advance!! ________________________________ [gh.ge] ვლადიმერ გაბუნია IT სამსახურის უფროსი ტელ: (+995) 32 2505222 +8183 მობ: (995) 577 095333 შპს "ჯეო ჰოსპიტალს" სათავო ოფისი თბილისი 0160, ვაჟა-ფშაველას გამზ. № 16; http://www.gh.ge <http://gh.ge>

2 5

Problems with dispatcher module | feature disabled
by Alessio Casco 02 Nov '15

02 Nov '15

Hello! We noticed today an issue with the kamailio loadbalancing. Basically kamailio is not considering if an host is up or not, backends are set always as "FLAGS: AP" even if the host is down. I see this when the proxy starts : ERROR: dispatcher [dispatcher.c:768]: ds_warn_fixup(): failover functions used, but required AVP parameters are NULL -- feature disabled These the parameters I have set: # ----- dispatcher params ----- modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list") modparam("dispatcher", "dst_avp", "$avp(dsdst)") modparam("dispatcher", "grp_avp", "$avp(dsgrp)") modparam("dispatcher", "cnt_avp", "$avp(dscnt)") modparam("dispatcher", "ds_ping_method", "OPTIONS") modparam("dispatcher", "ds_ping_reply_codes", "class=2;class=3;code=404") modparam("dispatcher", "ds_ping_from", "sip:proxy@sip.nexmo.com") modparam("dispatcher", "ds_ping_interval", 20) modparam("dispatcher", "ds_probing_threshold", 1) modparam("dispatcher", "ds_probing_mode", 1) modparam("dispatcher", "ds_hash_size", 10) modparam("dispatcher", "ds_hash_expire", 3600) modparam("dispatcher", "ds_hash_initexpire", 60) modparam("dispatcher", "ds_hash_check_interval", 10) modparam("dispatcher", "use_default", 0) modparam("dispatcher", "attrs_pvname", "$avp(carrierattr)") modparam("dispatcher", "setid_pvname", "$avp(carriergroup)") modparam("dispatcher", "flags", 2) I use 4.3.3, I think this issue started after upgrading from 4.3.1 but I can't say for sure. Can someone please give us some advices on this? Thanks Alessio

2 5

Which option uses for check certificate revocation in kamailio 1.5.x ?
by Evgeniy Ivanov 02 Nov '15

02 Nov '15

Hello! I use kamailio 1.5.4-tls (i386/linux). I configured the tls options: disable_tls = 0 listen=tls:192.168.50.60:5061 tls_certificate="/etc/kamailio/tls/crt.pem" tls_private_key="/etc/kamailio/tls/key.pem" tls_ca_list="/etc/kamailio/tls/ca.pem" tls_verify_client=on tls_require_client_certificate=on I need to check certificate revocation, but the option tls_crl does not work. Which option uses for check certificate revocation in kamailio 1.5.x ?

3 6

Display name
by Loïc Boissy 30 Oct '15

30 Oct '15

Hello, I would like to know if kamailio is able to store contact "display name" in its database? Thank you for your help. Best regards. Loïc

2 2

Routing outgoing call from asterisk to registered SIP provider
by Bruno Salzano 29 Oct '15

29 Oct '15

Hello, i've DID provider that require to register to it's server. I've been able to configure this provider using kamailio and uac and to route all inbound calls from DID provider to internal asterisk media server. All is working great. Now i need help to configure call routing from internal asterisk to the external DID provider. I've done something like: route[LOCATION] { if(is_method("INVITE")) { route(FROMASTERISK); route(TOASTERISK); exit; } [...] } route[FROMASTERISK] { if (ds_is_from_list()) { xlog("L_INFO","[$fU@$si:$sp]{$rm} {$ru} Call from Media-Server Cluster\n"); rtpengine_manage("direction=internal direction=external replace-origin replace-session-connection trust-address"); $ru = "sip:TESTING_NUMBER@EXTERNAL_PROVIDER_IP"; route(RELAY); exit; } } It seems that when i route the call outbound, i get a 407. So i would like to react to this using uac_auth() as described here: http://kamailio.org/docs/modules/4.3.x/modules/uac.html#uac.f.uac_auth() Is this the right way? Can someone help me, giving hints and some working example? Using kamailio 4.3.3 with rtpengine 4.1.0 Best regards, Bruno -- The life is short.. live at your best!

4 6

gcc warning for t_cancel
by Yasin CANER 27 Oct '15

27 Oct '15

3 3

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sr-users October 2015