sr-users September 2015

sr-users@lists.kamailio.org

82 participants
127 discussions

Kamailio presence shared DB_text
by Ewgeny 21 Sep '15

21 Sep '15

Hi list! We use Kamailio 4.2 for presence BLF with DB_TEXT. And i want to make cluster with a few Kamailio's presences, to load balance. Can you please tell me - is that possible to use same shared DB_TEXT database with 2 or more Kamailio servers ? modparam("presence", "subs_db_mode", 3) modparam ("presence","dburl","/tmp/share/dbtext") 1-st server will handle SUBSCRIBE's and this Subscribe's should be accessible also from 2-nd server. Then PUBLISH'es will be sent to both servers in round robin algorithm. Will Kamailio's work with one shared DB or - i'll got some errors ? Maybe i'm wrong somewhere ? Thanks in advance. Kind regards Ewgeny

2 3

Proxy-Require: privacy error
by Chad 21 Sep '15

21 Sep '15

When a call comes in with a SIP header: "Proxy-Require: privacy" line kamailio throws this error: Aug 21 14:27:57 load1 /usr/sbin/kamailio[29447]: ERROR: <core> [parser/hf.c:224]: dump_hdr_field(): DEBUG: dump_hdr_field: type=18, name=Proxy-Require, body=privacy, parsed=(nil), next=0x7efc42f15150 Aug 21 14:27:57 load1 /usr/sbin/kamailio[29446]: ERROR: <core> [parser/hf.c:224]: dump_hdr_field(): DEBUG: dump_hdr_field: type=18, name=Proxy-Require, body=privacy, parsed=(nil), next=0x7efc42f0a7b0 Aug 21 14:27:58 load1 /usr/sbin/kamailio[29447]: ERROR: <core> [parser/hf.c:224]: dump_hdr_field(): DEBUG: dump_hdr_field: type=18, name=Proxy-Require, body=privacy, parsed=(nil), next=0x7efc42f13180 Aug 21 14:27:58 load1 /usr/sbin/kamailio[29446]: ERROR: <core> [parser/hf.c:224]: dump_hdr_field(): DEBUG: dump_hdr_field: type=18, name=Proxy-Require, body=privacy, parsed=(nil), next=0x7efc42f0dfb8 Anyone know why that happens or how to fix it? -- ^C Chad

2 5

Fw: Re: Busy Tone.. Call not coming
by Mr ankush 19 Sep '15

19 Sep '15

1 0

Dialog module isn't decreasing the profile size, and isn't entering on event routes
by José Seabra 18 Sep '15

18 Sep '15

Hi there, I'm using a dialog module in a small kamailio script that only does routing based on prefix, and relay the invite from one ipaddr to another ip addr (diferent interfaces) using $fs variavel. Now i was introducing the dialog module to limit the number of concurrent calls, and i noticed that it only can increasing the number of dialogs, and it isn't decreasing when receives the "BYE", I also noticed that when kamailio receives "BYE" the dialog event route for state "end" is not executed. To count the number of concurrent calls I'm using the following logic in main route: if (is_method("INVITE")) { setflag(FLT_ACC); # do accounting dlg_manage(); if(get_profile_size("concurrentcalls","local","$avp(s:size)")) { if($avp(s:size) != $null) { xlog("L_INFO", "Number of calls for this server : $avp(s:size) - ID=$ci\n"); if($avp(s:size) >= 15000) { xlog("L_INFO", "Concurrent_max calls exceeded $avp(s:size) for caller '$fU' - R=$ru ID=$ci\n"); sl_send_reply("503", "Channel limit exceeded\n"); exit; } } } set_dlg_profile("concurrentcalls","local"); } Please check out the attachment with logs. Best Regards -- José Seabra

2 5

Issue with too many "listen" statements
by Sven Neuhaus 18 Sep '15

18 Sep '15

Hi, we've observed a bug with Kamailio (we are using 4.3.1): When using more than 81 "listen" statements, Kamailio starts acting up. In our case, it handles ACK packets (that follow "200 OK" messages) incorrectly: It forwards them to itself (src ip == dst ip) in a garbled form (on the loopback interface). We need more than 80 "listen" statements at the moment so I hope there's a way to increase the limit substantially. The number of file handles has been set to 32000 btw. Regards, -Sven Neuhaus

2 6

Adding user to kamailio database
by Priyaranjan Nayak 17 Sep '15

17 Sep '15

Hi All, I wanted to use kamailio with authorization. How can I add public identity and private identity to kamailio database for a user ? Thanks Priyaranjan

2 1

Hex to Dec conversion
by Yufei Tao 17 Sep '15

17 Sep '15

Hi Daniel, I've tested the patch on top of v4.2.5 and it works. Thank you very much! Yufei

1 0

Re: [SR-Users] Hex to Dec conversion
by Yufei Tao 17 Sep '15

17 Sep '15

Hi, Thanks for the replies! The first thing I looked at was the encode/decode.hexa transformations but it only transforms between ASCII characters and Hex numbers. Then I used exec_avp to call a bash command (for example, 'echo $((0x123))' gives you 291) which works. But calling something external may not be optimal I thought? I found OpenSIPS has hex2dec and dec2hex transformations and wonder if we could have these in Kamailio as well? Cheers, Yufei

2 1

Authentication issue during registration
by Austin Einter 17 Sep '15

17 Sep '15

Hi All I have a typical requirement, where I have a forwarding SBC between an endpoint and kamailio as shown below. Endpoint ----> SBC ------> Kamailio >From endpoint I am sending REGISTER request. It reaches SBC. SBC sends the REGISTER request to Kamailio, Kamailio challenges it (401), and challenge response is received at endpoint through SBC. Next endpoint adds authorization header and sends REGISTER to SBC, SBC forwards it to Kamailio. Now Kamailio again responds with 401. When we analysed Kamailio logs, we can see Kamailio log authorization response token and response token that was sent by Endpoint are same. So my question is, why Kamailio sends 401 repeatedly even if it received proper Authorization header. Is it because Kamailio received REGISTER from IP address different from endpoint. Please guide, how can I avoid this issue. Thanks Austin

3 4

add to wishlist: htable.dump type of value
by Juha Heinanen 16 Sep '15

16 Sep '15

looks like htable.dump does not tell what is the type of the value, e.g. { entry: 53 size: 1 slot: { item: { name: foo::bar value: 0 } } } -- juha

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sr-users September 2015