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[Kamailio-Users] LCR problem with "id" column and match priorities.
by Ricardo Martinez 21 Oct '09

21 Oct '09

Hello List. I'm having a weird behavior with the LCR module. I have a particular prefix routed as follows (according to the LCR tables) : mysql> select * from lcr where prefix=0251; +-----+--------+----------+--------+----------+ | id | prefix | from_uri | grp_id | priority | +-----+--------+----------+--------+----------+ | 89 | 1351 | | 51 | 1 | | 127 | 1351 | | 43 | 2 | +-----+--------+----------+--------+----------+ The gw's group are as follows : mysql> select * from gw where grp_id=51; +-----+----------------+--------+---------------+----------+------+----- -------+-----------+-------+------+--------+------+-------+ | id | gw_name | grp_id | ip_addr | hostname | port | uri_scheme | transport | strip | tag | weight | ping | flags | +-----+----------------+--------+---------------+----------+------+----- -------+-----------+-------+------+--------+------+-------+ | 100 | GW1.TERMN1 | 51 | XX.XXX.XXX.16 | | 5060 | 1 | 1 | 4 | 1351 | 25 | 1 | 0 | | 101 | GW2.TERMN1 | 51 | XX.XXX.XXX.13 | | 5060 | 1 | 1 | 4 | 1351 | 25 | 1 | 0 | | 102 | GW3.TERMN1 | 51 | XX.XXX.XXX.32 | | 5060 | 1 | 1 | 4 | 1351 | 25 | 1 | 0 | | 103 | GW4.TERMN1 | 51 | XX.XXX.XXX.35 | | 5060 | 1 | 1 | 4 | 1351 | 25 | 1 | 0 | +-----+----------------+--------+---------------+----------+------+----- -------+-----------+-------+------+--------+------+-------+ 4 rows in set (0.00 sec) mysql> mysql> select * from gw where grp_id=43; +----+------------------+--------+---------------+----------+------+---- --------+-----------+-------+------+--------+------+-------+ | id | gw_name | grp_id | ip_addr | hostname | port | uri_scheme | transport | strip | tag | weight | ping | flags | +----+------------------+--------+---------------+----------+------+---- --------+-----------+-------+------+--------+------+-------+ | 76 | GW1.TERMN222 | 43 | XX.XXX.XXX.16 | | 5060 | 1 | 1 | 4 | 1343 | 25 | 1 | 0 | | 77 | GW2.TERMN222 | 43 | XX.XXX.XXX.13 | | 5060 | 1 | 1 | 4 | 1343 | 25 | 1 | 0 | | 78 | GW3.TERMN222 | 43 | XX.XXX.XXX.32 | | 5060 | 1 | 1 | 4 | 1343 | 25 | 1 | 0 | | 79 | GW4.TERMN222 | 43 | XX.XXX.XXX.35 | | 5060 | 1 | 1 | 4 | 1343 | 25 | 1 | 0 | +----+------------------+--------+---------------+----------+------+---- --------+-----------+-------+------+--------+------+-------+ 4 rows in set (0.00 sec) So, when a call with prefix 1351 arrived at the proxy, the LCR module is changing the RURI for 1343 (matching the 2nd priority for that prefix). This keep happening even if change the priority value 2 for priority value 5. I even changed the priority 1 for priority 0 as follows : +-----+--------+----------+--------+----------+ | id | prefix | from_uri | grp_id | priority | +-----+--------+----------+--------+----------+ | 89 | 1351 | | 51 | 0 | | 127 | 1351 | | 43 | 1 | +-----+--------+----------+--------+----------+ But the LCR module keep using the "second" priority. After doing some tests I've found two ways to use the "first" priority for the prefix. 1.- Removing the second priority 2.- Re-ordering the "id" column and using correlative values as indicated in the next table : mysql> select * from lcr where prefix=0251 order by id; +-----+--------+----------+--------+----------+ | id | prefix | from_uri | grp_id | priority | +-----+--------+----------+--------+----------+ | 127 | 1351 | | 51 | 1 | | 128 | 1351 | | 43 | 2 | +-----+--------+----------+--------+----------+ So, when the prefix are with "no correlatives" values in the "id" column seems to be a problem to match the first priority. But when the values are correlative there is no problem. Is this the correct behavior? Maybe I'm missing something? What happens for example if I need to add a third priority to a certain prefix after doing several changes in the LCR table? I need to re-order every time the "id" values to make them correlatives? I really hope that someone could give me a hand here. Ricardo Martinez.-

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[Serusers] question regarding sip protocol
by Sabatella, Michael 21 Oct '09

21 Oct '09

Hi, I am new to the sip protocol. I have been doing packet traces to understand how the protocol works. I am using the ser sip proxy version 0.9.6. I notice that once my phone registers with a proxy I get a 200 ok. Every 20 seconds after that the client sends a packet to the proxy. It is an Request: OPTIONS packet. My proxy responds with a Status:404 Not found. I tried to do some research on this but could not find anything useful. Does this response of a 404 matter? How can you fix this? I have read that the client does this as an application level ping to make sure the proxy is up. If I have 100s of people registering that is a lot of extra traffic. Is there a way to stop this options query or have the proxy respond properly? Thanks Michael Network Services Engineer ________________________________ DISCLAIMER: This e-mail may contain information that is confidential, privileged or otherwise protected from disclosure. If you are not an intended recipient of this e-mail, do not duplicate or redistribute it by any means. Please delete it and any attachments and notify the sender that you have received it in error. Unintended recipients are prohibited from taking action on the basis of information in this e-mail.E-mail messages may contain computer viruses or other defects, may not be accurately replicated on other systems, or may be intercepted, deleted or interfered with without the knowledge of the sender or the intended recipient. If you are not comfortable with the risks associated with e-mail messages, you may decide not to use e-mail to communicate with IPC. IPC reserves the right, to the extent and under circumstances permitted by applicable law, to retain, monitor and intercept e-mail messages to and from its systems.

2 1

[Kamailio-Users] preparing Kamailio 1.5.3
by Daniel-Constantin Mierla 21 Oct '09

21 Oct '09

Hello, Kamailio 1.5.3 will be released today. Please commit anything you have for branch 1.5 on Sourceforge.net svn in the next two hours. Afterwards we will start preparing the release. Cheers, Daniel

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[Kamailio-Users] max channel capacity
by Jeff Brower 21 Oct '09

21 Oct '09

All- On a reasonably fast server, say quad-core, what is the approx maximum number of G711 IP calls when using Kamailio and rtpproxy? What if rtpproxy runs on a second server? No echo can, no packet concealment, etc... just G711. -Jeff

3 5

Re: [Kamailio-Users] use case for settlement free peering
by Daniel-Constantin Mierla 20 Oct '09

20 Oct '09

welcome -- cc-ing mailing list is recommended all the time -- help people to get the conclusion of discussions. On 20.10.2009 20:04 Uhr, A G wrote: > Great. Thanks for the feedback! > > On Mon, Oct 19, 2009 at 3:47 PM, Daniel-Constantin Mierla > <miconda(a)gmail.com> wrote: > >> Hello, >> >> On 19.10.2009 20:18 Uhr, A G wrote: >> >>> Greetings: >>> >>> I'm looking for advice on a project/proof of concept I'm working on. >>> I would like to create a settlement-free peering fabric for voice >>> traffic between and among some peer institutions in my area. Because >>> this is more of a side-project for cost cutting measure, I'm primarily >>> looking at open source software, though commercial product >>> recommendations would be helpful as well. >>> >>> The organizations I would like to connect have their own PBXs with >>> large blocks of numbers (whole NPA-NXXs), with no number portability >>> in or out. I imagine both at the individual PBXs and peering fabric, >>> the number routing would be static. To put another way, we would >>> manually configure which connections the block of telephone numbers is >>> reachable at. >>> >>> Here is the required ASCII art diagram :) >>> >>> >>> +-------+ >>> | PBX | >>> +-------+ >>> | >>> +-------+ >>> | SBC | >>> +-------+ >>> | >>> | >>> +---+ +---+ .--------. +---+ +---+ >>> | P | | S | / \ | S | | P | >>> | B |--| B |------ ( ???? )----------| B |--| B | >>> | X | | C | \ / | C | | X | >>> +---+ +---+ `---------' +---+ +---+ >>> | >>> | >>> +-------+ >>> | SBC | >>> +-------+ >>> | >>> +-------+ >>> | PBX | >>> +-------+ >>> >>> >>> >>> >>> For scalability reasons, a full mesh of connections between and among >>> the SBCs is not an attractive option. >>> >>> Here's what I think I need: >>> Basic SIP routing >>> TCP, TLS, and UDP support >>> >>> What would be nice to have: >>> IPv6 >>> CDR >>> >>> What is probably not needed: >>> User agent client registration, presence, IM, voice mail >>> >>> I see there are several different open source voice projects. >>> Do you think this is an appropriate use for Kamailio? >>> >>> >> Kamailio can be used in such scenario. It has a lot of features to help you >> routing calls -- see modules such as lcr, carrierroute, dialplan. >> >> If you do heavy tls/tcp, then upcoming Kamailio 3.0 will have lot of >> improvements in this areas. IPv6 is supported as well for core routing. You >> can generate CDRs using acc module and some stored procedures -- see for >> example: >> http://siremis.asipto.com/install-accounting/ >> >> Cheers, >> Daniel >> >> >>> I'm seeking comments on what you would use for this situation. >>> Are there any existing projects along these lines? >>> Is there one project that is better than another for this application? >>> >>> >>> >> -- >> Daniel-Constantin Mierla >> * Kamailio SIP Masterclass, Nov 9-13, 2009, Berlin >> * http://www.asipto.com/index.php/sip-router-masterclass/ >> >> >> -- Daniel-Constantin Mierla * Kamailio SIP Masterclass, Nov 9-13, 2009, Berlin * http://www.asipto.com/index.php/sip-router-masterclass/

2 1

Re: [Kamailio-Users] Problem with LCR "ping"
by Alexandr Dubovikov 20 Oct '09

20 Oct '09

Hi Ricardo, you use ping_interval 10 seconds. For 126 gateways it's extrem short . Can you set this param up to 60 seconds and check again ? Wbr, Alexandr P.S. will be nice to see the result from "ngrep -W byline -t -l port 5060", if it possible :-) > > -----Original Message----- > From: users-bounces(a)lists.kamailio.org [mailto:users-bounces@lists.kamailio.org] On Behalf Of Ricardo Martinez > Sent: Thursday, October 15, 2009 4:48 PM > To: users(a)lists.kamailio.org > Subject: [Kamailio-Users] Problem with LCR "ping" > > Hello list. > > I have a question/problem regarding the LCR module. I'm using Kamailio version 1.5.2. The LCR tables have : > > > > gw table : 126 records > > lrc tables : 120 records. > > > > I'm using the "ping" (ping = 1) feature in all my gateways, part of the cfg file is as follows : > > > > modparam("lcr","db_url","mysql://openserro:openserro@localhost/openser") > > modparam("tm", "fr_inv_timer_avp", "$avp(i:704)") > > modparam("lcr", "gw_uri_avp", "$avp(i:709)") > > modparam("^auth$|lcr", "rpid_avp", "$avp(i:302)") > > modparam("lcr", "ruri_user_avp", "$avp(i:500)") > > modparam("lcr", "flags_avp", "$avp(i:712)") > > modparam("lcr", "fetch_rows", 3000) > > modparam("lcr", "ping_interval", 10) > > modparam("lcr", "ping_from", "sip:pinger@mydomain.net") > > modparam("lcr", "ping_method", "OPTIONS") > > > > From time to time I can see 3 o 4 gateways marked as down (with the command kamctl lcr dump). I'm not manually monitoring the gateways every minute so is possible that in a particular moment the gateways could be unreachable, but when I run the command "kamctl lcr dump" the gateways are on-line, that's for sure. > > So I'm not understanding why LCR keep marking the gateways as down, even if they are answering to the OPTIONS request. Could this be a bug in the LCR module? Or maybe I'm missing something?. The silly part of all this is the gateways marked as down are always the same. Could this be related to a memory issue?? > > > > Can someone guide me here?. > > > > Thanks in advance, > > Regards, > > Ricardo Martinez.- > > > > -- Alexandr Dubovikov * baron@iRC RusNet * mailto:shurik@start4.info AD1-UANIC * ICQ: 122351182 * http://www.start4.info

5 8

[Serusers] SER Staring Problem
by sourav.das1＠wipro.com 20 Oct '09

20 Oct '09

Hi, I am trying to install the SER through the following steps. Download and extract the package : * Download the source package containing mysql support for SER from: http://ftp.iptel.org/pub/ser/latest/ <http://ftp.iptel.org/pub/ser/latest/> * Save the downloaded package at /usr/src folder * Extract the package * Change directory to the extracted package Make and install Make the program and the modules and then install the program in the folder /usr/local. # make && make modules # make prefix=/usr/local install After installing the SER on the Linux system I am trying to start SER through the following command. /usr/local/sbin/serctl start While executing the above command I am getting the following error. Starting SER : PID file /var/run/ser.pid does not exist -- SER start failed Please let me know how to resolve this or something is missing. Regards, Sourav Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

2 1

[Kamailio-Users] kamailio 1.5.3 scheduled for next wednesday
by Henning Westerholt 20 Oct '09

20 Oct '09

Hi all, as it has been three month since the last minor release of the kamailio 1.5 branch i'd suggest that we do a 1.5.3 release soon. I want to propose next wednesday the 14.10.2009 as date for the release. So if you have any pending patches in the trunk or in your internal repositories that you want to like to see in this release, please commit them until 12:00 UTC this day. Thank you, Henning -- Henning Westerholt - Development Consumer Products / Consumer Core 1&1 Internet AG, Ernst-Frey-Str. 9, 76135 Karlsruhe, Germany

4 8

[Kamailio-Users] use case for settlement free peering
by A G 19 Oct '09

19 Oct '09

Greetings: I'm looking for advice on a project/proof of concept I'm working on. I would like to create a settlement-free peering fabric for voice traffic between and among some peer institutions in my area. Because this is more of a side-project for cost cutting measure, I'm primarily looking at open source software, though commercial product recommendations would be helpful as well. The organizations I would like to connect have their own PBXs with large blocks of numbers (whole NPA-NXXs), with no number portability in or out. I imagine both at the individual PBXs and peering fabric, the number routing would be static. To put another way, we would manually configure which connections the block of telephone numbers is reachable at. Here is the required ASCII art diagram :) +-------+ | PBX | +-------+ | +-------+ | SBC | +-------+ | | +---+ +---+ .--------. +---+ +---+ | P | | S | / \ | S | | P | | B |--| B |------ ( ???? )----------| B |--| B | | X | | C | \ / | C | | X | +---+ +---+ `---------' +---+ +---+ | | +-------+ | SBC | +-------+ | +-------+ | PBX | +-------+ For scalability reasons, a full mesh of connections between and among the SBCs is not an attractive option. Here's what I think I need: Basic SIP routing TCP, TLS, and UDP support What would be nice to have: IPv6 CDR What is probably not needed: User agent client registration, presence, IM, voice mail I see there are several different open source voice projects. Do you think this is an appropriate use for Kamailio? I'm seeking comments on what you would use for this situation. Are there any existing projects along these lines? Is there one project that is better than another for this application? Thank you

2 1

Presence gateway between SIP and XMPP
by afshin afzali 18 Oct '09

18 Oct '09

Hi Guys, You stated : "*This module is a gateway for presence between SIP and XMPP. * * It translates one format into another and uses xmpp, pua and presence modules to manage the transmition of presence state information*" My first question is that does it enable exchange of presence data between SIP and XMPP in two ways ? If yes how I could use the pua_xmpp_notify and pua_xmpp_req_winfo APIs to do so ? Regards, -- Afshin

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