sr-users January 2019

sr-users@lists.kamailio.org

84 participants
100 discussions

Is DMQ now the recommended way to do things?
by Canuck . 21 Feb '19

21 Feb '19

Before DMQ there were other ways to do similar things. Is DMQ now considered the best way? Assuming I am using recent stable? Are there any good guides on clustering Kamailio? I am not finding a lot of good info on that subject. Specifically, for multi datacenter active active where things like floating IP's and keepalived are not really an option.

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kamailio with oracle data base
by eyas barhouk 13 Feb '19

13 Feb '19

Hello Community i'm trying to build kamailio on top of oracle D.B so is there any way to configure kamailio to deal with Oracle D.B and call functions from it ? Thanks in advance. Regards Eyas

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how to differentiate branches in parallel call forking
by Koray Vatansever 09 Feb '19

09 Feb '19

Hi, I'm trying to implement parallel call forking scenario. Since target clients have different media profiles, I need to set different rtpengine options for those forked calls. So according to the rtpengine module documentation, I set via-branch option on request and response, '1' and '2' respectively ('auto' option is not working. There is no code implementing this parameter). However all forked branches have the same via branch id which is the incoming INVITE's via branch id. As a result, rtpengine thinks that all the offers belong to the same session I guess. It seems I have only 'extra' option with extra_pv_id variable. In order to use it, I need an elegant way to differentiate forked branches in request and response processing. I would appreciate any suggestion.

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ERROR : EAGAIN and write queue full or failed for tcp Connection
by YASIN CANER 07 Feb '19

07 Feb '19

Hello, Kamailio gave this error that couldnt bind tcp connection other side. Thanks Yasin CANER Kamailio IPv6:TCP: -----> IPv6:TCP Kamailio -----> X ERROR XXXX IPv6:TCP Kamailio IPv6::C IPv6::8 IPv6::5 LOGS: 7(15781) DEBUG: <core> [core/msg_translator.c:2937]: create_via_hf(): id added: <;i=1>, rcv proto=2 7(15781) DEBUG: <core> [core/msg_translator.c:162]: check_via_address(): (FD61:C23C:B3B6:0:0:0:0:C, [FD61:C23C:B3B6:0:0:0:0:C], 0) 7(15781) DEBUG: <core> [core/tcp_main.c:1977]: tcp_send(): no open tcp connection found, opening new one 7(15781) DEBUG: <core> [core/ip_addr.c:242]: print_ip(): tcpconn_new: new tcp connection: fd61:c23c:b3b6:0:0:0:0:5 7(15781) DEBUG: <core> [core/tcp_main.c:1229]: tcpconn_new(): on port 5060, type 2 7(15781) DEBUG: <core> [core/tcp_main.c:1539]: tcpconn_add(): hashes: 507:2382:0, 2 7(15781) DEBUG: <core> [core/tcp_main.c:2873]: tcpconn_1st_send(): pending write on new connection 0x7fd15b5e7c98 (-1/1483 bytes written) (err: 11 - Resource temporarily unavailable) 7(15781) ERROR: <core> [core/tcp_main.c:2891]: tcpconn_1st_send(): [FD61:C23C:B3B6:0:0:0:0:5]:5060: EAGAIN and write queue full or failed for 0x7fd15b5e7c98 7(15781) DEBUG: <core> [core/tcp_main.c:3153]: tcpconn_chld_put(): destroying connection 0x7fd15b5e7c98 (2, -1) flags 0060 7(15781) ERROR: tm [../../core/forward.h:251]: msg_send_buffer(): tcp_send failed 7(15781) DEBUG: tm [t_fwd.c:1549]: t_send_branch(): send to FD61:C23C:B3B6:0:0:0:0:5:5060 (2) failed 7(15781) WARNING: tm [t_fwd.c:1567]: t_send_branch(): sending request on branch 0 failed CONF: dns_try_ipv6=yes dns_retr_time=1 dns_retr_no=1 dns_cache_flags=4 tcp_source_ipv6 = [fd61:c23c:b3b6::8] tcp_async=yes tcp_rd_buf_size=65536 tcp_wq_blk_size=3000 listen=tcp:[fd61:c23c:b3b6::8]:5060 tcp_connection_lifetime=3605 listen=tcp:[fd61:c23c:b3b6::8]:5060 ..... route[]{ remove_hf("Route"); #loose_route(); if (!is_method("INVITE")) return; $du="sip: mykamailio1.test:5060;transport=tcp"; if(!t_newtran()){ xlog("L_WARN"," Couldnt create new transaction \r\n"); sl_send_reply("503", "Service not available"); exit; } if(!t_relay()){ send_reply("503", "Service not available"); exit; } exit; }

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Planning Fosdem 2019
by Daniel-Constantin Mierla 02 Feb '19

02 Feb '19

Hello, Fosdem 2019 is approaching, so I am writing to see if any of you plans to go to the event. If there is interest, we can try to organize again a dinner on Saturday evening, a tradition for our project at the past 10 editions or even more. Henning Westerholt will give a presentation about Kamailio in the RTC Devroom, I will be around as well. I know few more developers that plan to go to the event, so let's see who else from the community wants to join us. As usual, at Fosdem will be developers from other VoIP projects, like Asterisk, Janus, CGRates, Homer, Jitsi, ... At the past editions we typically had two "kamailio" events: 1) an "ad-hoc" developers meeting in the cantina (or other available room around) to discuss about short term plans for Kamailio -- time and place being decided as we meet there between us (expected in the afternoon of Saturday or during Sunday). 2) a dinner at a place nearby, with other VoIP folks joining us Reply if you plan to go to Fosdem and say if you want to join for a dinner. Just be aware that you have to pay for your food and drinks at the dinner, unless we are going to be surprised again by a generous sponsor that covers partially or completely to dinner. If you need more details about Fosdem, the website is: - https://fosdem.org Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com

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dispatcher alg - 8
by Andrew Chen 31 Jan '19

31 Jan '19

Hey all, I need some more clarification on dispatcher alg 8: “8” - use first destination (good for failover). What is meant by "first destination"? How is that defined if I have more than one carrier. More specifically in our case for some PSTN locations we have this setup: primary carrier - 1 sip trunk backup carrier - 4 sip trunks or primary carrier - 4 sip trunks backup carrier - 1 sip trunk the one that have 4 sip trunks is it going to round-robin through it? this is setup on our old 4.1.5 release. thanks -- Andy Chen 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.*

2 2

IMS early media
by Tsvetan Filev 31 Jan '19

31 Jan '19

Hi all. I want to use SIP early media to play music to the caller in kamailio IMS installation like this: http://www.sharetechnote.com/html/IMS_SIP_EarlyMedia.html I looked a little bit but didn't find ready solution. The information is vague on this topic. Should this be done through a module or application server ? May I need to handle ringing in onreply_route and send OK with SDP to the caller in SCSCF ? Regards.

2 8

Kamailio/dispatcher routing with SRV record
by Jesse Strahn 31 Jan '19

31 Jan '19

Is it possible to route to the back-end SIP servers via DNS SRV record rather than specifying multiple IP addresses in the dispatcher list on the Kamailio server? Running in AWS and looking to be able to dynamically update my list of available sip servers if a server goes offline or if a server comes online. Have Cloudwatch/Lambda setup to manipulate the SRV record with the IP address additions or subtractions but when I try to put the SRV record as the destination in dispatcher, it fails.

2 2

Kamailio v5.1.7 Released
by Daniel-Constantin Mierla 31 Jan '19

31 Jan '19

Hello, Kamailio SIP Server v5.1.7 stable release is out. This is a maintenance release of the previous stable branch, 5.1, that includes fixes since the release of v5.1.6. There is no change to database schema or configuration language structure that you have to do on previous installations of v5.1.x. Deployments running previous v5.1.x versions are strongly recommended to be upgraded to v5.1.7 or to v5.2.x series. For more details about version 5.1.7 (including links and guidelines to download the tarball or from GIT repository), visit: * https://www.kamailio.org/w/2019/01/kamailio-v5-1-7-released/ RPM, Debian/Ubuntu packages will be available soon as well. Note: the branch 5.1 is the previous stable branch. The latest stable branch is 5.2, at this time with v5.2.1 being released out of it. Many thanks to all contributing and using Kamailio! Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com

1 0

Planing the release of Kamailio v5.1.7
by Daniel-Constantin Mierla 31 Jan '19

31 Jan '19

Hello, I am considering to release Kamailio v5.1.7 later this week, likely on Thursday, January 31, 2019. As usual, here come the notice to report any issue that you are aware of and not yet registered on the bug tracker in order to give them a chance to be analyzed and eventually fixed before the release. Also, take a look at the branch 5.1 in git and check if there are any missing commits from those you expected to be backported. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com

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sr-users January 2019