sr-users February 2012

sr-users@lists.kamailio.org

79 participants
140 discussions

Problems with TCP
by Mino Haluz 16 Feb '12

16 Feb '12

Hi, our customers are using mostly UDP but some of them want to use TCP. The problem is, I get various TCP errors in kamailio log and I do not understand what they mean 1) ERROR: <core> [tcp_main.c:4130]: connect <customerIP:port> failed This means kamailio is trying to connect with TCP to the customer ?? 2) WARNING: tcp_do_connect <customerIP:port> : could not find corresponding listening socket for IPaddress , using default... ( where IPaddress is kamailio physical IP address) Kamailio has one virtual IP address (heartbeat IP address) and one physical. It listens on the virtual IP address but I do not understand why it is trying to use the physical IP address ? I was investigating this thing because the BYE message is not being relayed if the TCP is used (everytime the 2. error message is printed), so that's why I have to understand what it really means... And the last question, 3) If kamailio is relaying the traffic to the PSTN gateway, and the customer is using TCP, kamailio uses TCP as well for connecting to the PSTN gw. Is this behaviour normal ? I would expect that customer -- TCP --> kamailio --- UDP --> GW, and not customer -- TCP --> kamailio --- TCP --> GW, Thanks, Mino

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Kamailio Asterisk Followup
by Greg Mannie 16 Feb '12

16 Feb '12

Hello Sorry for another newbie question, but eventually with your "greatly appreciated" help I will get proficient in this application. After reading much RFC reading and docs for Kamailio I see where the benefits of using the sip proxy for registering devices while using asterisk for voicemail or ivr etc. has great benefit. I am not finding much on my end user interaction. If I use realtime integration and have multi domain use on kamailio, how do I allow the end user to configure their own IVR? Is it possible to use modules like the call flow control from freepbx and allow users to configure this themselves? Regards, Greg

4 4

Current Vacancy
by apache＠iptel.org 16 Feb '12

16 Feb '12

Spam detection software, running on the system "mail.iptel.org", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Job Category: Customer Support/Client Care Reference Code: HJR/EU/551-188 Job Status: Full Time, Temporary/Contract/Project Great company represented in 32 countries worldwide is seeking a Customer Service Representative. This is a temporary position with the great opportunity of going permanent. The responsibilities are as follows: assist to work with existing clients, arrange and assure preparation, final inspection, timely implementation of orders as well as all related documentation and paperwork. [...] Content analysis details: (20.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 1.3 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in bl.spamcop.net [Blocked - see <http://www.spamcop.net/bl.shtml?89.252.8.22>] 0.4 RCVD_IN_XBL RBL: Received via a relay in Spamhaus XBL [89.252.8.22 listed in zen.spamhaus.org] 3.3 RCVD_IN_PBL RBL: Received via a relay in Spamhaus PBL 0.8 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server [89.252.8.22 listed in dnsbl.sorbs.net] 1.4 RCVD_IN_BRBL_LASTEXT RBL: RCVD_IN_BRBL_LASTEXT [89.252.8.22 listed in bb.barracudacentral.org] 1.7 URIBL_DBL_SPAM Contains an URL listed in the DBL blocklist [URIs: eurojoboard.com] 1.7 URIBL_BLACK Contains an URL listed in the URIBL blacklist [URIs: eurojoboard.com] 3.6 HELO_DYNAMIC_IPADDR2 Relay HELO'd using suspicious hostname (IP addr 2) 3.5 HELO_DYNAMIC_SPLIT_IP Relay HELO'd using suspicious hostname (Split IP) 0.0 TVD_RCVD_IP TVD_RCVD_IP 1.3 DATE_IN_PAST_24_48 Date: is 24 to 48 hours before Received: date 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% [score: 0.5553] 0.8 RDNS_NONE Delivered to internal network by a host with no rDNS

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strage result in math with $vars in 3.2.2
by Uri Shacked 16 Feb '12

16 Feb '12

Hi, i am using some math to send to my NOC the memory usage of kamailio. this is what i do: $var(xxx)=$stat(real_used_size)*100/$stat(total_size) before the 3.2.2 upgrade, i usualy got regular results - 3,5,20 etc.... now, i get results like -8, -32 and so... any ideas why? here are the $stat numbers that gets me the -8 result: $stat(real_used_size)=31899516 $stat(total_size)=134217728

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How to reload dispatcher destinations
by Mino Haluz 16 Feb '12

16 Feb '12

Hi, is there any way how to reload dispatcher destinations (located in db) without restarting the kamailio when algorithm 10 (call load balancing) is used ? I read in documentation, that this command is disabled when this algorithm is used. Thanks, Mino

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some questions
by 393319152 16 Feb '12

16 Feb '12

dear friends: I'm using the kamailio as my sip server and it has a public ip. There are two nac: A and B, A has a privite ip, B has a privite ip that is seted with VPN . And now, A can register successfully, but B can't . I want A to connect B and trans information. I don't know why , I hope you can help me.

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Kamailio v3.2.2 Released
by Daniel-Constantin Mierla 15 Feb '12

15 Feb '12

Hello, Kamailio SIP Server v3.2.2 stable release is out. This is a maintenance release of the latest stable branch, 3.2, that includes fixes since release of v3.2.1. There is no change to database schema or configuration language structure that you have to do on installations of v3.2.0 or v3.2.1. Deployments running previous v3.2.x versions are strongly recommended to be upgraded to v3.2.2. For more details about version 3.2.2 (including links and hints to download the tarball or from GIT repository), visit: * http://www.kamailio.org/w/2012/01/kamailio-v3-2-2-released/ RPM packages are currently on the build service, Debian/Ubuntu packages will be available soon as well. Cheers, Daniel -- Daniel-Constantin Mierla -- http://www.asipto.com http://linkedin.com/in/miconda -- http://twitter.com/miconda

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Reuse TLS connections
by Bruno Bresciani 15 Feb '12

15 Feb '12

Hi all, There is the possibility to kamailio reuse the TLS connection created by other SIP server? When kamailio use t_relay function to send a SIP request message to other server, kamailio verify if already exist some connection established with the destiny and use it even if this connection was created by the other SIP server. In short, I want to keep only one connection between kamailio and SIP server. Sometimes kamailio will be a client and others a server. Best Regards

2 3

struct cmd_export_t
by Bruno Bresciani 15 Feb '12

15 Feb '12

Hi all, I'm writing a module to kamailio and can't find detail information about the parameter *"fixup_function fixup"* present at struct *cmd_export_t*. I can't understand which functionality this parameter... Someone have any information or documentation about this subject. Best Regards

2 2

AVP obtain with regular expression
by Anto 14 Feb '12

14 Feb '12

Hello I'm using AVP, but I can not finish assimilating the concept. I try to input messages, according to their DID. Once it enters an INVITE message treatment with alias_db for its user, but I want some AVP for each DID. I can think of three cases. The first I have no very clear if possible and if it were, I think is not optimal. 1) Given the configuration of the module: modparam("avpops","avp_url","mysql://user:passwd@host/database") Had thought if I can use regular expressions to get the "prs" in the database (DID_IN, DID_DEST, etc). USR_PREFERENCES table: | id | uuid | username | domain | attribute | type | value | modified | | 1 | XXX | user1 | dmn.tld | 571XXX_IN | 1 | XXX | | | 2 | XXX | user2 | dmn.tld | 571XXX_DEST | 1 | XXX | | 2) Maybe better to use the module configuration schemes: modparam("avpops","db_scheme","scheme1:uuid_col=uid;value_col=job;value_type=string;table=emp") modparam("avpops","db_scheme","scheme2:username_col=user;domain_col=domain;value_col=email;table=users") 3) Or use avp_db_query() function. Can anyone guide me? I'm pretty lost :-S. The first case, I know if possible and possibly more difficult to maintain. Thanks very much. Best regards Anto

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sr-users February 2012