sr-users January 2005

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[Serusers] mediaproxy functions client_nat_test()

by Gurol Akman

take a look at the Readme file under ser-0.8.14/modules/mediaproxy dir. hope it helps -- GA

19 years, 4 months

[Serusers] softphones

by Gurol Akman

You can also try http://www.freeworldialup.com/ for dowloading FWD. Regards -- GA

19 years, 4 months

[Serusers] serweb pconnect failure

by Gurol Akman

Hi, I'm using ser-0.8.14 & serweb_2004-07-27 and have the following problem. When I try to access the http://host/.../admin/index.php page, I get the following error: Warning: mysql_pconnect(): Access denied for user: 'ser(a)host.private.com' (Using password: YES) in /usr/local/serweb/phplib/db_mysql.inc on line 73 Database error: pconnect(192.168.1.2, ser, $Password) failed. MySQL Error: () Session halted. Can anyone offer any advice? Thanks, GA

19 years, 4 months

[Serusers] mediaproxy functions client_nat_test()

by proson cheng

Hello all, I asked the questions but i still don't find an appropiate answer, in the fuctions. client_nat_test("3"); it takes an argument usually, i see a "3" for the arguments. what does that 3 mean? does it represent a type of NAT? If so, what others argument can I take? thanks proson .

19 years, 4 months

[Serusers] Ser Postgresql Problems

by RAceala andrei

I am trying to setup ser to use a posgresql databse. Everythig is ok until i try to register to SIP server with SjPhone when i get the following errors: PG[129] connect_db Error while parsing it Register PG[488] begin_transaction no connection, FATAL -3! get_ha1(): Error while querying database Any ideeas ? This is my ser.cfg # # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $ # # simple quick-start config script # # ----------- global configuration parameters ------------------------ #debug=3 # debug level (cmd line: -dddddddddd) #fork=yes #log_stderror=no # (cmd line: -E) # Uncomment these lines to enter debugging mode #debug=3 fork=no log_stderror=no listen=193.***.***.*** check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 children=4 fifo="/tmp/ser_fifo" alias=test.ro # ------------------ module loading ---------------------------------- # Uncomment this if you want to use SQL database loadmodule "/usr/local/lib/ser/modules/postgres.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" # 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" # ----------------- setting module-specific parameters --------------- # -- usrloc params -- #modparam("usrloc", "db_mode", 0) # Uncomment this if you want to use SQL database # for persistent storage and comment the previous line modparam("usrloc", "db_mode", 0) # -- auth params -- # Uncomment if you are using auth module # modparam("auth_db", "calculate_ha1", yes) # # If you set "calculate_ha1" parameter to yes (which true in this config), # uncomment also the following parameter) # modparam("auth_db", "password_column", "password") modparam ("auth_db","db_url", "sql://blahblah:blahblah@localhost:5432/ser") # -- rr params -- # add value to ;lr param to make some broken UAs happy modparam("rr", "enable_full_lr", 1) # ------------------------- 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; }; # we record-route all messages -- to make sure that # subsequent messages will go through our proxy; that's # particularly good if upstream and downstream entities # use different transport protocol record_route(); # loose-route processing if (loose_route()) { t_relay(); break; }; # if the request is for other domain use UsrLoc # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri=~test.ro) { log (1,"Cerere pt test.ro\n"); if (method=="REGISTER") { log (1,"Am primit Register\n"); # Uncomment this if you want to use digest authentication if (!www_authorize("test.ro", "subscriber")) { www_challenge("test.ro", "0"); break; }; save("location"); log (1,"User Existent\n"); break; }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); log (1,"User Inexistent\n"); break; }; }; # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP if (!t_relay()) { sl_reply_error(); }; }

19 years, 4 months

RE: [Serusers] Problem with ACK on Negative Reply

by PHAN, Quang-Minh (Docteur Ordinateur)

Hi Jiri, David, Thank you very much for your timely replies. I will check if the ACK hits t_relay or not in my configuration. I have skimmed through the transaction matching code in SER but I don't remember if it checks the FROM field or the FROM tag. I'll verify this when I can. Minh _____ De : Wearne, David W. [mailto:DWWearne@west.com] Envoyé : jeudi 6 janvier 2005 20:56 À : PHAN, Quang-Minh (Docteur Ordinateur); serusers(a)lists.iptel.org Objet : RE: [Serusers] Problem with ACK on Negative Reply I ran into exactly the same problem in December. There are several reasons why SER may not realize the ACK belongs to the transaction. Look carefully at the via: and from: headers in the INVITE and the ACK. The via: should have a branch parameter, and it should be the same in both. Some UAs do not put in the branch parameter. In this case SER should (according to RFC3261) be looking at the combination of the Request URI, To tag, From tag, Call-ID, Cseq, and top via header. In my case the problem was that SER compares the >From field rather than the From tag, and it does so incorrectly. I raised this issue both here and in the serdev list, (you can find the thread in the December archives), but the developers said they would not fix this because it is in support of an obsolete spec (RFC 2543). I recommend you check those headers to see if your situation actually matches what I ran into, and if so, raise the issue to the serdev list. If enough people complain, they might decide to provide better support of RFC3261, section 17.2.3 (Matching Requests to Server Transactions). Dave _____ From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On Behalf Of PHAN, Quang-Minh (Docteur Ordinateur) Sent: Thursday, January 06, 2005 12:10 PM To: serusers(a)lists.iptel.org Subject: [Serusers] Problem with ACK on Negative Reply Hi all, When I use SER in transaction stateful mode, I have the following problem: When A sends an "INVITE B" to SER, SER forwards the INVITE to B statefully. If B reply with "200 OK", everything goes fine as SER will delete the transaction from memory when it sees the 200 OK. However, if B send an "BUSY HERE" back to SER, SER will send an ACK to B right away and then forwards the "BUSY HERE" to A. A will then send an ACK to SER but SER won't realize that the ACK belong to the transaction and forward it to B. SER will then keep sending "BUSY HERE" to A until the transaction is timed out. I wonder if there is something to add in the configuration file to make SER understand that the ACK send from A should terminate the transaction. Any help will be highly appreciated! Minh

19 years, 4 months

[Serusers] nat

by kcassidy＠kakelma.mine.nu

Hi All, I've successfully installed media proxy and it's working with ser.0.8.14 just fine. I'm using the ser config that comes with media proxy module. The thing is I don't want all my RTP streams to pass thru the media proxy (e.g. Clients using public IP). I've tried the isflagset command but it doesn't seem to work. I've placed a isflagset(2) in my config below but all my traffic doesn't pass thru the media proxy. TIA. route{ if (!mf_process_maxfwd_header("10")) { if (method!="ACK") { sl_send_reply("483", "Too many hops"); }; break; }; if (msg:len >= max_len) { if (method!="ACK") { sl_send_reply("513", "Message too big"); }; break; }; if (method=="REGISTER") { if (is_from_local()) { # Mark as NAT'ed if (client_nat_test("3")) { setflag(2); force_rport(); fix_contact(); }; if (!www_authorize("", "subscriber")) { www_challenge("", "0"); break; } else if (!check_to()) { sl_send_reply("403", "Username!=To not allowed"); break; }; if (!save("location")) { sl_reply_error(); }; } else { sl_send_reply("403", "This domain is not served here"); }; break; }; if (method=="INVITE") { if (!(is_from_local() || is_uri_host_local())) { sl_send_reply("403", "Relaying is forbidden"); break; }; t_on_failure("1"); } else if (method == "BYE" || method == "CANCEL") { end_media_session(); }; if (loose_route()) { if (method=="INVITE" || method=="ACK") && (isflagset(2)) { use_media_proxy(); }; # end media session for BYE and CANCEL is done above # before entering the loose route. no need to call it here t_relay(); break; }; # Force subsequent messages to pass trough this proxy if (method == "INVITE") { record_route(); }; if (client_nat_test("3") && !search("^Record-Route:")) { # Mark as NAT'ed force_rport(); fix_contact(); }; if (method=="INVITE") { t_on_reply("1"); }; if (is_uri_host_local()) { if (!lookup("location")) { sl_send_reply("404", "User not found"); break; }; }; if (method=="INVITE" || method=="ACK") && (isflagset(2)) { use_media_proxy(); }; if (!t_relay()) { if (method=="INVITE" || method=="ACK") { end_media_session(); }; sl_reply_error(); }; }

19 years, 4 months

[Serusers] how can i get the standard SIP CallFlow

by Joe

hello,all I am a newer in SIP.How Can i get SIP Standard CallFlows ! Thanks Best regards Joe

19 years, 4 months

[Serusers] how to compile SER + RADIUSCLIENT + RADIATOR (radius server, not freeradius)

by dangtien

Dear all, How to compile ser + radius RADIATOR and Cisco AS 5350 step by step Help me... Thank all

19 years, 4 months

[Serusers] how to compile SER + RADIUSCLIENT + RADIATOR (radius server, not freeradius)

by dangtien

Dear all, How to compile ser + radius RADIATOR and Cisco AS 5350 step by step Help me... Thank all

19 years, 4 months

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sr-users January 2005