sr-users November 2013

sr-users@lists.kamailio.org

100 participants
160 discussions

Query regd the dispatcher algorithm support
by santosh satapathy 14 Nov '13

14 Nov '13

Does the dispatcher module allow combination like "weighted round robin" algorithm. Example: 3 of 5 nodes are in better condition so I set them as weight 1 and the other two as weight 2. Then the dispatcher will round robin between the 3 nodes with weight 1 until all 5 are with the same weight. That also means that the weight should be dynamic and updated as conditions of the node changes. -- Thanks Santosh

2 2

Variables in event_route[sl:local-response]
by Sergey Okhapkin 14 Nov '13

14 Nov '13

Which variables I can use in event_route[sl:local-response] route to xlog proto:ip:port to which the response will be sent? event_route[sl:local-response] { xlog("L_INFO","Local response to *$??*\n$mb\n"); }

3 2

Kamailio 4.0.4 crash t_load_contact();
by Julia 14 Nov '13

14 Nov '13

Hello, After upgrade from 3.3 to 4.0.4 Kamailio crashed when the first call after application start is a call with failure route: get_redirect(); t_load_contact(); t_next_contacts(); Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:78]: get_redirect(): resume branch=0 Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:85]: get_redirect(): checking branch=0 (added=0) Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:89]: get_redirect(): branch=0 is a redirect (added=0) Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:165]: sort_contacts(): sort_contacts: <sip:39988202@10.25.147.241:5060;user=phone> q=250 Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:165]: sort_contacts(): sort_contacts: <sip:39988202@10.25.148.41:5060;user=phone> q=500 Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:297]: shmcontact2dset(): adding contact <sip:39988202@10.25.147.241:5060;user=phone> Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: <core> [sruid.c:176]: sruid_next(): new sruid is [rdir-5280b7a9-2874-1] (1 / 20) Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: uac_redirect [rd_funcs.c:297]: shmcontact2dset(): adding contact <sip:39988202@10.25.148.41:5060;user=phone> Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: <core> [sruid.c:176]: sruid_next(): new sruid is [rdir-5280b7a9-2874-2] (2 / 20) Nov 11 12:55:48 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10356]: DEBUG: tm [t_serial.c:166]: t_load_contacts(): nr_branches is 2 Nov 11 12:56:00 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10336]: ALERT: <core> [main.c:788]: handle_sigs(): child process 10356 exited by a signal 11 Nov 11 12:56:00 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10336]: ALERT: <core> [main.c:791]: handle_sigs(): core was generated Nov 11 12:56:00 vm-KAMnet-dev01 /usr/local/sbin/kamailio[10336]: INFO: <core> [main.c:803]: handle_sigs(): INFO: terminating due to SIGCHLD Regards, Julia.

2 6

Steps to next major release v4.1.0
by Daniel-Constantin Mierla 14 Nov '13

14 Nov '13

Hello, it's now one month since we froze the development for release of v4.1.0. No critical issues in on the table for this particular version, so perhaps next week is time to create a dedicated branch for it, to be named in GIT as 4.1, and open development for v4.2. If all goes fine for one more week or so, then we can do the release. Don't forget to add any open issues you are aware of to the tracker so we can solve them in time. If any of devs or community members have spare time, adding ids to the xml docbook files (for modules) will help getting a better alpha-numeric index for parameters and functions -- see more at: - http://www.kamailio.org/wiki/devel/module-docbook-readme#section_ids Cheers, Daniel -- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio Advanced Trainings - Berlin, Nov 25-28 - more details about Kamailio trainings at http://www.asipto.com -

3 6

Stuck dialogs
by Daniel W. Graham 13 Nov '13

13 Nov '13

I'm occasionally getting a stuck dialog in my database. I use dialog module for enforcing call limits. I found this post but still not sure what to do: http://lists.sip-router.org/pipermail/sr-users/2013-April/077681.html What should I look for / how should I troubleshoot this issue? -dan

2 8

forward audio to another sip server
by Joli Martinez 13 Nov '13

13 Nov '13

I have all user registration done through kamailio and conferences are handled by freeswitch. I would like to forward all audio to another sip server where the conference can be recorded and we can pull reports. I understand that FS can do the recording, but a box has been setup for this and this is the way my boss wants it. please let me know how to accomplish this thanks,

2 1

extract part of string / INVITE
by Oliver Roth 13 Nov '13

13 Nov '13

Hi all I need to extract a part of the INVITE msg: INVITE sip:+41796159999@82.197.185.185;user=CSC10824 SIP/2.0 I need 10824 in a avp variable. Is there a regex function where I can extract this? Or how can this be done? Something like: Avp(myCSC) = string after CSC - length 5 Please be aware, that ip and destination number in the invite can change ... Otherwise substring would be a solution. Thanks for help Oli

4 3

DBTEXT / AVPOPS and custom database
by Hugh James 13 Nov '13

13 Nov '13

Thanks Daniel, That helped my understanding further along , but it wasn't the full story . If I use $var(rc)=avp_db_load("$to/username","$avp(inbound)/LineIDs"); Then I still get no matches . But if I place entries in the uuid column of the table , then it works. I had assumed that since I don't use the uuid or the domain they could be null . In fact I tried it again with just a number in the uuid column of the entry I expected the avp_db_load to match , and it still worked . I then placed a single entry in the uuid column of a row that I didn't expect it to match and it still worked . I then placed two identical numbers in the UUID column and it still works ( see below for current table used in testing) So in summary it appears that there must be at least one value in the uuid column for it to work as expected . Cheers Hugh

1 0

Kamailio, Keepalived: Kamailio doesn't respond on virtual IP but real IP
by Nguyễn Đức Vinh 13 Nov '13

13 Nov '13

Hi all I want to setup IP failover for Kamailio: I have 2 hosts A (IP: X.X.X.32) and B (X.X.X.36), with 2 running kamailios. Using Keepalive to setup IP failover as , virtual IP *is X.X.X.43*. On host A, kamailio was binded to *listen=udp:0.0.0.0:5060 <http://0.0.0.0:5060>* and host A is MASTER with virtual IP *Problem is:* Client send REGISTER to X.X.X.43:5060. It recieved 401 respond from X.X.X.32:5060 (actual IP of A), not as expected from X.X.X.43:5060 (To check if keepalived setting OK or not, I have *nc -l 5060* on host A, and using nc X.X.X.43 5060 on client, wireshark show that responds is from X.X.X.43 -> keepalived work OK Is there any difference between *kamailio* and *nc* cause they both bind to 0.0.0.0, but repond on differ IP? Thanks Vinh Nguyen

4 3

Function to test DB connection in the cfg file?
by Allen Zhang 12 Nov '13

12 Nov '13

Hi all, This is a re-post. My email didn't seem to get on the list last time. Is there a function I can use to test database connection from the routing script in the cfg file? My dispatcher uses OPTIONS probing. When the destination receives the OPTIONS request, I'd like to detect the health status of the database connection before sending a reply back. Note the OPTIONS request doesn't have a user part in the RURI. Hence, is_subscriber() and alias_db_lookup() don't work. Any suggestion? Regards, Allen Zhang

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sr-users November 2013