sr-users November 2004

sr-users@lists.kamailio.org

203 participants
386 discussions

[Serusers] Need help installing SER on linux
by Sarfaraz Chougule 07 Nov '04

07 Nov '04

Hi, I am under training of Networking, and my project for final exams is VOIP. I read about SER and downloaded 0.8.12 version. I have linux 9 and would like to give demo on the same system. In our institute we have two IP phones (Hardware/Hard Phones). Please help me in installing the same. As I am new for this. I would appreciate if I can get step wise instruction for the same. Thanks in advance. Sarfaraz ========================== Sarfaraz I. Chougule PANVEL Tel. 91-22-27490797 Office: 91-22-30380540 ==========================

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Re: [Serdev] Re: [Serusers] avpops
by Atle Samuelsen 07 Nov '04

07 Nov '04

* Juha Heinanen <jh(a)tutpro.com> [041107 12:12]: > Jiri Kuthan writes: > > > I see them rather as an unordered set. > > why i was asking is that tm module doesn't currently support serial > forking and perhaps it could be done via AVPs instead, but that would > require priorities. I think you can use jan's avp module to make something like that happen .-) tough. you would need to forward to different users.. -Atle > > -- juha > > _______________________________________________ > Serdev mailing list > serdev(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serdev >

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[Serusers] How to set the query into database and get answers with exec_msg?
by aska 07 Nov '04

07 Nov '04

Hi ,I am a student studying in VoIP and implementing my theory in SER. I try to access mysql database to get some information, but have a problem aboout paramaters of exe_msg. My goal is :count the number of contact addresses that certain user registered, and take this is my solution: exec_msg(' Count="select count(contact) from location where username=\"$SIP_HF_CONTACT\" "' CountResult=`mysql -user -pheslo -e "$Count" ser`; ') What is the result of "CountResult" ? I suppose originally that it will be the the number of the query, but it seems not......... If not, what it will be? How can I get my answer what I want to get ? Looking for all of the documents, I still can't find the information about how to access databases with exec_msg function. Hoping someone can give me some advises ^^. Thannks in advance. Lee

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[Serusers] avpops
by Richard 07 Nov '04

07 Nov '04

Hi, Thanks for the great work on avpops. It is really an existing module which opens lots of opportunities. I read some document, just want to make sure I understood it correctly... . Every avp type should be saved in a different table. For example, I have two caller id settings for each subscriber, inter-domain and intra-domain. I should use one table for each setting. To load them, should I just use "avp_db_load" with their respective table name? Another question is, since the table name is optional, what happens if it is not given? When is it loading from? . It looks like that one avp can have multiple values. For example, you can have avp_write("sip:addr1@test.com", "i:2") and avp_write("sip:addr2@test.com", "i:2"). So avp name i:2 has both values. . If an avp has multiple values, I can use avp_pushto() to do a parallel forking. . Can I use an avp for the existing function? For example, I'd like to use different caller id inside "Remote-Party-ID". If I already load avp name i:10 with the right caller id, can I use append_hf() to add a new field with the avp? . In the example of Trusted IPs, what if I don't care about any username or domain? For example, I have a PSTN gateway shared by all domains. Should I put "" in uuid, username and domain columns? Then what do I put in source for avp_db_load()? It seems that source can only take either username or domain or both. Maybe define a uuid value and associate all gateways with the same uuid. Thanks again for the great work, Richard

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[Serusers] Aliases
by Razvan Nemesiu 06 Nov '04

06 Nov '04

Hi ..I have a problem with aliases....when I set an alias my serctl replies with 200 added..it's ok...but when I try serctl alias show + the alias serctl replies with 404 not found...

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[Serusers] How to set the query into database and get answers with exec_msg?
by aska 06 Nov '04

06 Nov '04

Hi everyone~ I am a student studying in VoIP and implementing my theory in SER. I try to access mysql database to get some information, but have a problem aboout paramaters of exe_msg. My goal is :count the number of contact addresses that certain user registered, and take this is my solution: exec_msg(' Count="select count(contact) from location where username=\"$SIP_HF_CONTACT\" "' CountResult=`mysql -user -pheslo -e "$Count" ser`; ') What is the result of "CountResult" ? I suppose originally that it will be the the number of the query, but it seems not......... If not, what it will be? How can I get my answer what I want to get ? Looking for all of the documents, I still can't find the information about how to access databases with exec_msg function. Hoping someone can give me some advises ^^. Thannks in advance. Lee

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[Serusers] ser+asterisk again
by Graziano Poretti 06 Nov '04

06 Nov '04

hi we have 1 ser + 1 asterisk on different computers we want to forward incoming calls from the server with fixed prefix (eg 00) to asterisk. i tried different solutions but how is the connection logic between ser and asterisk? should i have a registered user in asterisk which collects all the traffic coming from ser or not? how can i setup the ser and asterisk to have then "talking"? thnx in advance for help Graziano

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[Serusers] serctl: prefix for pid file; serctl restart semantics.
by JOHN J. BARTON 05 Nov '04

05 Nov '04

By setting the environment variable LOCALBASE and the make variable "prefix", the install of ser can be *almost* completely in user disk space. The exception I encountered is in serctl and sc scripts. They have lines like PID_FILE=/var/run/ser.pid which is out of bounds for a /home user. Perhaps this value could be read from the ser.cfg file. Alternatively an environment variable like SER_PID_FILE could introduced and PID_FILE could pick it up if set. Also "serctl restart" fails on an error if ser is not running. The way others servers, eg apache, work is for restart to mean "if (alive) kill; start". That way the end point of "restart" is always a running server with a newly read configuration or a server that failed to start because of configuration failure. It does not depend upon the previous state. The combination "stop" followed by "start" already gives you a version of "restart" that fails on error if the server is not up. By running ser directly both problems can be worked around. John.

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RE: [Serusers] BYE / CANCEL Problem
by Ricardo Martinez 05 Nov '04

05 Nov '04

Hello. It works for me. In fact this is a pending question that i have. i found this configuration looking for another problem solution in the mailing list. The "domaintables" file is a flat file like this. domain your.domain.com It solves my problem. Con someone tell me if this is ok? I used this configuration trying to avoid the use of sql data base. Thanks in advance. Ricardo. -----Mensaje original----- De: Bastian Schern [mailto:ml01@in-bln.de] Enviado el: Viernes, 05 de Noviembre de 2004 17:07 Para: Ricardo Martinez CC: 'serusers(a)lists.iptel.org' Asunto: Re: [Serusers] BYE / CANCEL Problem Ricardo Martinez schrieb: [...] > #module domain > modparam("domain", "db_url", "/usr/local/etc/ser/domaintables") > modparam("domain", "domain_table", "domain") > modparam("domain", "domain_col", "domain") [...] Does it work with a flat file? Please, can you show me the structure of such a file? Regards Bastian

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[Serusers] BYE / CANCEL Problem
by Ricardo Martinez 05 Nov '04

05 Nov '04

Hello list Beside the BYE problem that i post in a past mail, i detected another weird behaivor of SER. When i made a call from a registered endpoint (64.76.148.242) to a PSTN-number through a PSTN-Gateway. The destination devices keep ringing even if i send a CANCEL message. I don't understand why. Here is the debug U 64.76.148.242:5060 -> sersip.mydomain.com:5060 CANCEL sip:005622408196@sersip.mydomain.com SIP/2.0 Via: SIP/2.0/UDP 64.76.148.242:5060;branch=z9hG4bK1f42736da4462 From: <sip:5555832351@sersip.mydomain.com>;tag=1f42736da4 To: <sip:005622408196@sersip.mydomain.com> Call-ID: 1f629d42-2d9e-73aa-826d-0002a400f1e9(a)64.76.148.242 CSeq: 462 CANCEL Date: Wed, 01 Jun 2005 07:22:16 GMT User-Agent: AddPac SIP Gateway Content-Length: 0 Max-Forwards: 70 # U sersip.mydomain.com:5060 -> 64.76.148.242:5060 SIP/2.0 404 Not Found IT! Via: SIP/2.0/UDP 64.76.148.242:5060;branch=z9hG4bK1f42736da4462 From: <sip:5555832351@sersip.mydomain.com>;tag=1f42736da4 To: <sip:005622408196@sersip.mydomain.com>;tag=a6a1c5f60faecf035a1ae5b6e96e979a- 3932 Call-ID: 1f629d42-2d9e-73aa-826d-0002a400f1e9(a)64.76.148.242 CSeq: 462 CANCEL Server: Sip EXpress router (0.8.14 (i386/linux)) Content-Length: 0 Warning:392 sersip.mydomain.com:5060 "Noisy feedback tells: pid=16760 req_src_ip=64.76.148.242 req_src_port=5060 in_uri=sip:005622408196@sersip.mydomain.com out_uri=sip:005622408196@sersip.mydomain.com via_cnt==1" It seems to be related with my past message. Can someone help me here, i'm very confused. Here is my ser.cfg. Thanks in advance. # # $Id: ser.cfg,v 1.21.2.2 2003/10/13 22:53:06 jiri Exp $ # # simple quick-start config script # # ----------- global configuration parameters ------------------------ debug=0 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=yes # (cmd line: -E) #Uncomment these lines to enter debugging mode #fork=no #log_stderror=yes check_via=yes # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 #children=4 fifo="/tmp/ser_fifo" fifo_mode=0666 # ------------------ module loading ---------------------------------- # Uncomment this if you want to use SQL database #loadmodule "/usr/local//lib/ser/modules/mysql.so" loadmodule "/usr/local//lib/ser/modules/sl.so" loadmodule "/usr/local//lib/ser/modules/tm.so" loadmodule "/usr/local//lib/ser/modules/rr.so" loadmodule "/usr/local//lib/ser/modules/maxfwd.so" loadmodule "/usr/local//lib/ser/modules/usrloc.so" loadmodule "/usr/local//lib/ser/modules/registrar.so" loadmodule "/usr/local//lib/ser/modules/textops.so" loadmodule "/usr/local//lib/ser/modules/exec.so" # Para trabajar con NAT loadmodule "/usr/local//lib/ser/modules/mediaproxy.so" loadmodule "/usr/local//lib/ser/modules/domain.so" loadmodule "/usr/local//lib/ser/modules/dbtext.so" # Uncomment this if you want digest authentication # mysql.so must be loaded ! loadmodule "/usr/local/lib/ser/modules/auth.so" #loadmodule "/usr/local/lib/ser/modules/auth_db.so" loadmodule "/usr/local/lib/ser/modules/auth_radius.so" loadmodule "/usr/local/lib/ser/modules/group_radius.so" loadmodule "/usr/local/lib/ser/modules/acc.so" # ----------------- setting module-specific parameters --------------- # ----------------- setting module-specific parameters --------------- # -- rr params -- # add value to ;lr param to make some broken UAs happy modparam("rr", "enable_full_lr", 1) # module authorization modparam("auth_radius","radius_config","/usr/local/etc/radiusclient/radiuscl ient.conf") modparam("auth_radius","service_type",15) #module accounting modparam("acc","radius_config","/usr/local/etc/radiusclient/radiusclient.con f") modparam("acc","log_level",1) modparam("acc", "service_type", 15) modparam("acc", "radius_flag", 1) modparam("acc", "radius_missed_flag", 3) modparam("acc", "failed_transactions", 1) modparam("acc", "report_ack", 0) #group radius modparam("group_radius","radius_config","/usr/local/etc/radiusclient/radiusc lient.conf") modparam("group_radius", "use_domain", 1) #module mediaproxy modparam("mediaproxy", "natping_interval", 60) modparam("mediaproxy", "mediaproxy_socket", "/var/run/mediaproxy.sock") #modparam("mediaproxy", "sip_asymmetrics", "/usr/local/etc/ser/sip-asymmetrics-clients") #modparam("mediaproxy", "rtp_asymmetrics", "/usr/local/etc/ser/rtp-asymmetrics-clients") modparam("registrar", "nat_flag", 5) #module domain modparam("domain", "db_url", "/usr/local/etc/ser/domaintables") modparam("domain", "domain_table", "domain") modparam("domain", "domain_col", "domain") # ------------------------- request routing logic ------------------- # main routing logic route { # initial sanity checks -- messages with # max_forwards==0, or excessively long requests if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); break; }; if ( msg:len > max_len ) { sl_send_reply("513", "Message too big"); break; }; # subsequent messages withing a dialog should take the # path determined by record-routing record_route(); if (loose_route()) { if (method=="BYE" || method=="CANCEL") { log(1, "NAT: BYE o CANCEL recibido --> terminando la sesion de media\n"); end_media_session(); setflag(1); }; t_relay(); break; }; # Maracamos las llamadas para accounting setflag(1); if (client_nat_test("1")) { log(1, "NAT: Requerimiento de IP privada --> fixed contact (en rutina principal)\n"); setflag(5); force_rport(); fix_contact(); append_hf("P-hint: fixed NAT contact for request\r\n"); }; # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri==myself) { if (method=="REGISTER") { # Challenge/Response if ( !radius_www_authorize("")) { www_challenge("", "1"); break; }; # Mandamos un mensaje de Log si es que un cliente NATEADO se registro. if (isflagset(5)) { log(1, "NAT: Cliente NAT'eado registrado (dentro del chequeo de REGISTER)\n"); }; save("location"); break; }; # FIN DE CHEQUEO DE REGISTRO # lookup("aliases"); # CHEQUEO EL INVITE DE LA LLAMADA A REALIZARSE SOLO SI ES DE MI DOMINIO SIPPROXY.MAGENTA.CL if (method=="INVITE" && search("^From: <sip:.*@64.76.148.231>")) { if ( !radius_proxy_authorize("")) { proxy_challenge("", "1"); log (1, "LOG: Llamada no AUTORIZADA\n"); break; }; }; if ( (uri=~"^sip:0.*@.*") ){ if (method=="INVITE") { log(1,"FORWARDING : Llamada hacia plataforma H.323\n"); route(3); break; }; }; # Llamadas hacia dominio H.323 (todo lo que comienza con 111, 777, 333 y 00xxxxxxxx) if ( (uri=~"^sip:111.*@.*") | (uri=~"^sip:777.*@.*") | (uri=~"^sip:333.*@.*") ){ if (method=="INVITE") { log(1,"FORWARDING : Llamada hacia plataforma H.323\n"); route(1); break; }; }; # Llamadas SIP locales if (!lookup("location")) { #Usuarios que no estan en "location" database. route(4); break; }; setflag(3); # Manejo para llamadas NAT'das if (method=="INVITE") { log(1, "ROUTING: Reply processing (online user) enabled to handle NAT'd resonses\n"); t_on_reply("1"); if ( (isflagset(5)) && (method=="INVITE" || method=="ACK") ) { log(1, "NAT: Invite received --> enabling media proxy (else del lookup 2do if)\n"); use_media_proxy(); append_hf("P-hint: request forced to media proxy\r\n"); }; }; # Do it ? (Ricardo Martinez) }; append_hf("P-hint: USRLOC\r\n"); if (!t_relay()) { sl_reply_error(); break; }; } /* end of initial routing logic */ #--------- Route 1 hacia SIPQUEST ------------------------------- route[1] { # send it out now; use stateful forwarding as it works reliably # even for UDP2TCP # Esta NATEADO? if (isflagset(5)) { log(1, "NAT: At least one participant NAT'd --> enable reply processing (hacia GW)\n"); t_on_reply("1"); if (method=="INVITE") { log(1, "NAT: Invite received --> enabling proxied media session (hacia GW)\n"); setflag(1); use_media_proxy(); }; }; rewritehostport("sipquest.mydomain.com:5060"); append_hf("P-hint: GATEWAY\r\n"); if (!t_relay()) { sl_reply_error(); break; }; } #------- Route 3 : Trafico de Internet hacia la PSTN ------------------- route[3] { setflag(1); #Esta NETEADO? if (isflagset(5)) { log(1, "NAT: At least one participant NAT'd --> enable reply processing (hacia GW)\n"); t_on_reply("1"); if (method=="INVITE") { log(1, "NAT: Invite received --> enabling proxied media session (hacia GW)\n"); #setflag(1); use_media_proxy(); }; }; rewritehostport("gw1.mydomain.com:5060"); append_hf("P-hint: GATEWAY\r\n"); t_relay(); break; } #------ Route 4 : Llamadas a usuarios Off-line ------------------------ route[4] { if (!t_newtran()) { sl_reply_error(); }; if (!t_reply("404", "Not Found IT!")) { sl_reply_error(); }; break; } # ---------------------------- Begin On-Reply Routes -------------------------- onreply_route[1] { # If we've got here, it's because we've previously passed through a block # which handles NAT requests and has set a t_on_reply condition. DB 03-08-2004 if (status =~ "(183)|(2[0-9][0-9])") { if (client_nat_test("1") || isflagset(5)) { log(1, "NAT: Reply from NAT'd client --> fixing contact (onreply_route)\n"); fix_contact(); use_media_proxy(); setflag(5); }; log(1, "NAT: NAT'd transaction answered --> enabling media proxy (onreply_route)\n"); # use_media_proxy(); }; } # ------------------------------ End On-Reply Routes -------------------------- Ricardo.-

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sr-users November 2004