sr-users August 2014

sr-users@lists.kamailio.org

73 participants
130 discussions

Call disconnects within 30 seconds
by Rahul MathuR 13 Aug '14

13 Aug '14

Hello, I have an iPhone/Android/Windows 8 based UAC, proxy server Kamailio and Sip server FreeSwitch. Whenever I call directly from UAC to Sip server, the call gets established for as long as I want, however when I use the proxy in between, it gets disconnected within 30 seconds. It seems that FS sends a BYE within 30 seconds. I would really appreciate if anybody please guide me where I am going wrong in this case ? -- Warm Regds. MathuRahul

3 5

SDP ending with CRLF and a=nortpproxy:yes
by Narsay, Deep 12 Aug '14

12 Aug '14

Hello, Please let me know if there is any work around for this. Details of the issue: kamailio.cfg has this sequence in kamailio.cfg, ...... modparam("rtpproxy", "ice_candidate_priority_avp", "$avp(ice_priority)" ) ........ sdp_remove_line_by_prefix("a=candidate"); set_iattr("ice_priority", "1"); rtpproxy_manage("frwie"); I'm seeing an issue towards the bottom of the SDP message. .... a=ssrc:738345272 mslabel:VPELrlXvdfGmtevlYLEeVm6zq4JHvI4g a=ssrc:738345272 label:VPELrlXvdfGmtevlYLEeVm6zq4JHvI4ga0 a=ice-ufrag:YJuJWr9clIJHhENw a=ice-pwd:3v1D1ShCg8xIlDZ9 a=candidate:1297581420 1 udp 659136 10.1.2.3 17534 typ host generation 0 a=candidate:1297581420 2 udp 659136 10.1.2.3 17535 typ host generation 0 a=ptime:20 \r\n a=nortpproxy:yes\r\n The call gets rejected by UA due to an invalid (empty) line in SDP. Very old but somewhat similar issue: http://lists.sip-router.org/pipermail/users/2008-September/019605.html (Module authors, I'll be happy to code/test or assist in any way possible if needed.) Just to test it, I commented the following code snippet and the call worked. But that can't be the permanent fix. Thank you, - Deep N Code snippet:rtp_proxy.c::force_rtp_proxy starting from line 2850 * if (proxied == 0 && nortpproxy_str.len) { cp = pkg_malloc((nortpproxy_str.len + CRLF_LEN) * sizeof(char)); if (cp == NULL) { LM_ERR("out of pkg memory\n"); return -1; } anchor = anchor_lump(msg, body.s + body.len - msg->buf, 0, 0); if (anchor == NULL) { LM_ERR("anchor_lump failed\n"); pkg_free(cp); return -1; } memcpy(cp, CRLF, CRLF_LEN); memcpy(cp + CRLF_LEN, nortpproxy_str.s, nortpproxy_str.len); if (insert_new_lump_after(anchor, cp, nortpproxy_str.len + CRLF_LEN, 0) == NULL) { LM_ERR("insert_new_lump_after failed\n"); pkg_free(cp); return -1; } }*

2 3

kamctl not creates /tmp/kamailio_fifo file
by Yuriy Gorlichenko 12 Aug '14

12 Aug '14

Hello I try to use kamctl dispatcher reload cmd but in gives me an error kamctl dispatcher reload ERROR: Error opening Kamailio's FIFO /tmp/kamailio_fifo ERROR: Make sure you have the line 'modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")' in your config ERROR: and also have loaded the mi_fifo module. when i try to user kamcmd dispather.reload it gives me: ERROR: connect_unix_sock: connect(/tmp/kamailio_ctl): No such file or directory At kamailio.cfg I defined modparams for ctl.so and enables ctl.so module too modparam("ctl", "mode", 0600) modparam("ctl", "user", "root") modparam("ctl", "fifo", "fifo:/tmp/kamailio_fifo") modparam("ctl", "fifo", "/tmp/kamailio_fifo2") modparam("ctl", "fifo", "udp:*:2050") # fifo protocol over udp modparam("ctl", "fifo", "tcp:*:2050") # fifo over tcp At the kamctlrc I defined FIFOPATH="/tmp/kamailio_fifo" So I can not understand what is wrong with my FIFO file?

3 5

New developer: Jorj Bauer
by Daniel-Constantin Mierla 11 Aug '14

11 Aug '14

Hello, I want to announce that a new developer got GIT write access to repository: Jorj Bauer from University of Pennsylvania, USA - he is mainly joining the efforts to maintain and develop further the SCA module: * http://kamailio.org/docs/modules/stable/modules/sca.html His git commit id is: jorj My warm welcome and thanks for joining to help the project. Daniel -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Next Kamailio Advanced Trainings 2014 - http://www.asipto.com Sep 22-25, Berlin, Germany ::: Oct 15-17, San Francisco, USA

1 0

Routing for case of client's changing networks
by Dmytro Bogovych 11 Aug '14

11 Aug '14

Greetings all. I have following use case: 0) Peer A and B registers on kamailio via TLS. 1) Peer A establishes call to peer B. 2) Peer A changes network and call has to be refreshed. Peer A reregisters, gathers ICE candidates, builds reINVITE and sends it to B. After peer A changes network again, reregisters and waits for answer from old reINVITE. 3) Peer B receives reINVITE and sends answer. The problem is this answer never gets to peer B. Kamailio cannot route answer as old TLS connection is closed and new one did not established before reregistering. Is there way to solve or avoid this situation? Thank you :)

2 4

http_query results question
by Jonathan Hunter 11 Aug '14

11 Aug '14

Hi Guys, I have used the http_query function in the past, in conjunction with the json module, on version 3.3 and unbuntu. I am now using version 4.1 on Centos 6.5, and I am using the http_query, which I'm aware records in the results the first line of the response. Can you select the result to be recorded depending on the line in the response, for example if a number is returned only in line 4, can this be extracted from a 200 ok response using this function? Or is this then a need to use JSON module, and if so which repository for centos 6.5 contains it! :) Sorry for the question! Thanks Jon

3 8

Dispatcher caches IP
by Yuriy Gorlichenko 11 Aug '14

11 Aug '14

Hello. I try to integrate dispathcer module (with db table dispatcher) to my Kamailio server. I have problem with changing IP at db table, but when I calling - call goes to old IP that alread deleted from db. I tested my table with query that selects destination address from table, and it replyes to me correct address. I use round-robin ("4") algorythm modparam("dispatcher", "db_url",DBURL) modparam("dispatcher", "table_name", "dispatcher") modparam("dispatcher", "setid_col", "setid") modparam("dispatcher", "destination_col", "destination") modparam("dispatcher", "force_dst", 1) modparam("dispatcher", "flags", 3) modparam("dispatcher", "dst_avp", "$avp(i:271)") modparam("dispatcher", "grp_avp", "$avp(i:272)") modparam("dispatcher", "cnt_avp", "$avp(i:273)") modparam("dispatcher", "ds_ping_from", "sip:proxy@10.0.0.2") modparam("dispatcher", "ds_ping_interval",15) modparam("dispatcher", "ds_probing_mode", 1) modparam("dispatcher", "ds_ping_reply_codes", "class=2;code=403;code=404;code=484;class=3") How to disable this cache?

4 5

Accessing Message Buffer in Kamailio
by AliReza Khoshgoftar Monfared 08 Aug '14

08 Aug '14

Hi list, Is there a way to survey the message buffer (iei the queue where arriving sip messages wait to be processed by worker threads) in Kamailio? Is there a way to check the number of messages in this buffer? Additionally, is it possible to survey the number of messages by method (INVITE, BYE, etc.)? I know that the ratelimit module ( http://kamailio.org/docs/modules/stable/modules/ratelimit.html) shall access such buffers, but I do not see any variable accessible in the config offered by that module. Am I missing sth or is there a way to do so? Thanks Alireza

2 2

[Kamailio-4.1.4]Make Install Error
by Djamel Bahamid 08 Aug '14

08 Aug '14

Hello everybody, I am new on this environment ( Kamailio). I try to install(settle) Kamailio 4.1.4, on an O.S Suse Sles11 SP3, all the compilation took place, with the exception of the installation (make install), where I obtain the following error: make[2]: Nothing to be done for `install-if-newer'. touch /usr/local/lib64/kamailio/modules/userblacklist.so install -m 755 userblacklist.so /usr/local/lib64/kamailio/modules make[2]: `libkmi.so.1.0' is up to date. make[2]: `libsrdb1.so.1.0' is up to date. make[2]: `libkcore.so.1.0' is up to date. make[2]: `libsrutils.so.1.0' is up to date. LD (gcc) [M usrloc.so] usrloc.so make[2]: Nothing to be done for `install-if-newer'. make[2]: Nothing to be done for `install-if-newer'. make[2]: Nothing to be done for `install-if-newer'. make[2]: Nothing to be done for `install-if-newer'. touch /usr/local/lib64/kamailio/modules/usrloc.so install -m 755 usrloc.so /usr/local/lib64/kamailio/modules touch /usr/local/lib64/kamailio/modules/xhttp.so install -m 755 xhttp.so /usr/local/lib64/kamailio/modules touch /usr/local/lib64/kamailio/modules/xhttp_rpc.so install -m 755 xhttp_rpc.so /usr/local/lib64/kamailio/modules touch /usr/local/lib64/kamailio/modules/xlog.so install -m 755 xlog.so /usr/local/lib64/kamailio/modules touch /usr/local/lib64/kamailio/modules/xprint.so install -m 755 xprint.so /usr/local/lib64/kamailio/modules /bin/sh: -c: line 18: syntax error near unexpected token `fi' */bin/sh: -c: line 18: ` fi ; \' make: *** [install-cfg] Error 2 * Could you help me please to solve this error, Best Regards, Djamel.

4 14

ERROR: <core> [resolve.c:1733]: sip_hostport2su(): ERROR: sip_hostport2su: could not resolve hostname: "df7jal23ls0d.invalid"
by Manuel Camarg 08 Aug '14

08 Aug '14

I have this config: WebRTC sipml5 -> Kamailio -> Asterisk -> Kamailio -> WebRTC sipml5 When placing a communication between two sipml5 points I get this errors: ERROR: <core> [resolve.c:1733]: sip_hostport2su(): ERROR: sip_hostport2su: could not resolve hostname: "df7jal23ls0d.invalid" ERROR: <core> [forward.c:532]: forward_request(): ERROR: forward_request: bad host name df7jal23ls0d.invalid, dropping packet ERROR: sl [sl_funcs.c:387]: sl_reply_error(): ERROR: sl_reply_error used: Unresolvable destination (478/SL) If I place a comm between WebRTC sipml5 -> Kamailio -> Asterisk -> Softphone (connected to Asterisk) Everything works fine I'm running RTPEngine as RTP Proxy for DTLS/SRTP issues SIP INVITE signalling Ringing 180 message and 200 OK gets done fine Any ideas where this issue might come from? Looks something related with media traffic (RTP). Kind regards!

2 2

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sr-users August 2014