sr-users June 2005

sr-users@lists.kamailio.org

241 participants
595 discussions

[Serusers] Question about permissions module.
by Ricardo Martinez 30 Jun '05

30 Jun '05

Hello. I'm trying to make an "allow_trusted IP's" call without consult a mysql database, instead i want to check against a plaintext file. Can i do this through the permissions module?. In the README it says : 1.1. Overview 1.1.1. Call Routing The module can be used to determine if a call has appropriate permission to be established. Permission rules are stored in plaintext configuration files similar to hosts.allow and hosts.deny files used by tcpd. Thanks in advance. Ricardo Martinez.-

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[Serusers] update ser on Debian
by harry gaillac 29 Jun '05

29 Jun '05

Hello asterisk users, I you run Debian try to setup mini-dinstall for updating SER from a local archive . Regards Harry ___________________________________________________________________________ Appel audio GRATUIT partout dans le monde avec le nouveau Yahoo! Messenger Téléchargez cette version sur http://fr.messenger.yahoo.com

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[Serusers] Docs to install SERWEB please..
by Leo 29 Jun '05

29 Jun '05

Dear SER Users, What is the best document to use to help me install SERWEB? Where might I find these documents? I already have SER running with MySQL. Leo Papadopoulos E-mail: leo(a)telecomCTO.com Web site: www.telecomCTO.com <http://www.telecomcto.com/>

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[Serusers] multiple contact entries automatically....
by Iqbal 29 Jun '05

29 Jun '05

Hi I have a really strange problem, when I am registering a IP phone, which is connected to a simple 4 port router, it i submitting multiple contacts into the db. Even in the sip messages I can see multiple entries, the IP:port pairs only differ in the port numbers. Anyone else had this problem, Iqbal

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[Users] mpath - new config parameter
by Daniel-Constantin Mierla 29 Jun '05

29 Jun '05

Hello, there is a new global parameter that can be used in config file: 'mpath'. The parameter specify the path from where to look for modules. The value will be prefixed to the parameter of any loadmodule when this is not absolute. For example: loadmodule "/usr/loca/lib/openser/modules/textops.so" loadmodule "/usr/loca/lib/openser/modules/xlog.so" is the same now with: mpath="/usr/loca/lib/openser/modules" loadmodule "textops.so" loadmodule "xlog.so" or with: mpath="/usr/loca/lib/openser" loadmodule "modules/textops.so" loadmodule "modules/xlog.so" This will ease the migration of the config when dealing with many instances installed with different prefixes. Cheers, Daniel

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[Serusers] CANCEL request
by Iqbal 29 Jun '05

29 Jun '05

Hi I have pstn -->ser -->UA I also have asterisk hanging off ser for voicemail Now this is all working fine, voicemail and all triggers great on no answer, BUT to be sure I decided to look atthe sip dialogue, just to see if all was fine, and so that I could start to clean up my config file. When a user calls from pstn, then hit the switch, and drop into ser, which then maps the pstn number to a local alias. Ip phone rings, INVITE (pstn) to (ser) 100 trying (ser) to (pstn) INVITE (ser) to (ua) 100 trying (ua) to (ser) 180 ringing (ua) to (ser) 180 ringing (ser) to (pstn) so far so good, now if there is no answer, and I forward to asterisk should there be a cancel to the original INVITE, cause this is what I am getting: CANCEL (ser) to (ua) 200 OK (ua) to (ser) 487 request cancelled (ua) to (ser) then i get ACK (ser) to (ua) ------where this ACK comes fro I am not sure 200OK (ser) to (pstn) but useragent is no asterisk, hence this makes sense ACK (pstn) to (ser) so what I am not clear on is should the CANCEL be there, or not, it seems to make sense that it is, just want to confirm. Also since alot of people have the same setup, would it be a good idea alongside onsip.org and its startup config, if we could post/have a sip trace of common call scenarios, I know some of these are in the rfc etc, but someone they dont seem user friendly... Iqbal

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[Users] test return code in config file
by Daniel-Constantin Mierla 29 Jun '05

29 Jun '05

Hello, there is a new variable in configuration file 'retcode' that can be used to test against an integer the value returned by last invoked function or route. In the case of routes that uses return, it is the returned value. The changes were done yesterday, so the pserver CVS head is now synchronized. It is similar to $? from bash ($? can be used also in configuration file, having the same meaning as 'retcode'). Take care when you are testing this value, it can be easily misleading. For example: route[1] { if(method=="INVITE") return(1); return(2); } route { route(1); if(retcode==2) { log("The request is a REGISTER\n"); }; if(retcode==1) { ... }; } In case of REGISTER, the 'log' function is executed and the value of retcode is changed. The proper scripting is: route { route(1); if(retcode==2) { log("The request is a REGISTER\n"); } else if(retcode==1) { ... }; } I have updated the docuwiki for 'return()' and added 'retcode' there, too. http://www.openser.org/dokuwiki/doku.php?id=openser_core_cookbook#return_int http://www.openser.org/dokuwiki/doku.php?id=openser_core_cookbook#retcode Regards, Daniel

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[Serusers] Digits manipulation
by Daniel Mizrachi (net-uno.net) 29 Jun '05

29 Jun '05

Hi... Actually I have SER 0.8.14 up and running on Linux Redhat 9.0 and I´m trying to do something about digits manipulation. I have registered on it diferent users from diferent regions of the country and I need to process local calls thru PSTN just with 7 digits even though all the users are registered with 10 digits (3 for Area Code + 7 for phone number) For example, User from Region #1, that has 241 as area code, wants to make a call thru PSTN to a user with the same area code but only dialing 7 digits. Here my question: Can SER take the first 3 digits (Area Code) from the ANI (Ser user) and add them to the destination number (DNIS) before send to PSTN Gw ? Example: Ser user: 2417790000(a)ser.net-uno.net Local number dialed by SER User: 9850000 Number to send to PSTN: 2419850000 I have no idea how I can do something like that Best Regards, Daniel Mizrachi

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[Users] AVP subst_uri example
by Norman Brandinger 29 Jun '05

29 Jun '05

I have pulled this from my working OpenSER configuration file, so I can verify that the logic works. The following example takes advantage of the recent marriage of AVPs with the TEXTOPS subst_uri() function. The problem is to dynamically create a call to 1 (area code) 555-1212 for a user that dials 411 on his/her phone. The area code (also known as an NPA) is assigned to a user in the usr_preferences table. A simple change to the value in the table will generate a call to a different "local directory assistance operator". The ability to dynamically associate an NPA with a customer can be used to give the customer a "virtual local calling area". If only 7 digits of a phone number are entered by a user, OpenSER can easily prepend a 1 plus the users dynamic NPA. I remember the days when a 1 + area code were optional for calls to your local calling area. This example is a first step in that direction. An important off-shoot of this will be to perhaps assist in one aspect of the FCC's 911 decision. If the NPA (and perhaps the NXX) can be pulled from a location database and associated to an end user in the usr_preferences table, (did someone say LERG) then when a call to 911 is made, the generated phone number could be routed to a specific PSAP operator. If the end user changes his/her location, a web interface can be used to copy the new NPA/NXX to the usr_preferences table. Database Entries: Table: usr_preferences Username: user1 Attribute: npa Value: 123 OpenSER.cfg route[1] { #--------------------------------------------------------------------------------------- # 411 Local Directory Assistance #--------------------------------------------------------------------------------------- # check the called number to see if it is 411 if (uri=~"^sip:411@.*") { # check the AVP database for a match with the "user", not "user@domain" part of the From: header # checking for user@domain should also work. # if the "user" has a database entry with an "npa" attribute, load the AVP. if (avp_db_load("$from/username","s:npa")) { # rewrite the uri by replacing the 411 with 1 plus the AVP "npa" plus 5551212 subst_uri('/^sip:411@(.*)$/sip:1$avp(npa)5551212@\1/'); # delete the AVP npa to release resources # the release of AVP resources is supposed to happen automatically so the delete # may not be strictly required. avp_delete("s:npa"); } else { # the AVP database didn't find a match with the "user" so we rewrite # the uri with a default call to "local directory assistance". rewriteuri("sip:1xxx5551212@example.com"); }; break; }; } Regards, Norman Brandinger norm at goes dot com

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[Serusers] INFO: terminating due to SIGCHLD when using t_replicate
by Conrado Camacho - T.net S.p.A. 29 Jun '05

29 Jun '05

Hi, we have been running from several months a single server with SER 0.8.14 with no problems. Now, in order to have some kind of redundancy, we are setting up a backup SER server and we are replicating the information from the primary server to the secondary with the t_replicate command if (method=="REGISTER") { if (!radius_www_authorize("tnet.it")) { www_challenge("tnet.it", "0"); break; }; if (!save("location")) { sl_reply_error(); } else { if (!src_ip==backup.foo.bar) { t_replicate("backup.foo.bar", "5060"); }; }; break; }; It seems to work fine but after a few minutes running the server goes down and we get the following message on /var/log/messages: Jun 29 19:19:10 dns2 ser[5648]: child process 5649 exited by a signal 11 Jun 29 19:19:10 dns2 ser[5648]: core was not generated Jun 29 19:19:10 dns2 ser[5648]: INFO: terminating due to SIGCHLD Jun 29 19:19:10 dns2 ser[5652]: INFO: signal 15 received Jun 29 19:19:10 dns2 ser[5650]: INFO: signal 15 received Does anybody have any idea about how to solve this issue? Thanks in advance. Regards, Conrado Camacho ccamacho(a)tnet.it ___________________ T. NET_________________ Viale Africa, 84 - 95129 Catania - Italy Sede di Padova: Via Savelli, 50 - 35139 Padova - Italy Tel: +39 095 37 83 111 - Fax: +39 095 37 83 444 P. I.V.A.: 03979950874 www.tnet.it ________T. NET Telecommunication Company________ *************************************************************** Le informazioni in questa e-mail sono confidenziali e riservate esclusivamente al destinatario del messaggio. Information in this email is confidential and intended solely for the addressee; it may be legally privileged. ***************************************************************

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sr-users June 2005