sr-users June 2007

sr-users@lists.kamailio.org

191 participants
314 discussions

[Serusers] Number is Simultaneous calls
by Jai Rangi 04 Jul '07

04 Jul '07

Hello, Is there a module that can control number of simultaneous calls in ser. Fro example we want to allow max of 10 simultaneous calls for user A and 20 simultaneous calls for user B. How can I do that. Thank you, -Jai

2 1

[OpenSER-Users] openser 1.2.1 core dumps on 302 redirect
by Brandon Price 03 Jul '07

03 Jul '07

With debug=99 I get ... 0(31783) DEBUG:t_check_status: checked status is <302> 0(31783) +15183024234 has a forward 0(31783) DEBUG:uac_redirect:get_redirect: resume branch=0 0(31783) DEBUG:uac_redirect:get_redirect: checking branch=0 (added=0) 0(31783) DEBUG:uac_redirect:get_redirect: branch=0 is a redirect (added=0) 0(31783) parse_headers: flags=7 0(31783) Found param type 232, <branch> = <z9hG4bK68c33491>; state=16 0(31783) end of header reached, state=5 0(31783) parse_headers: Via found, flags=7 0(31783) parse_headers: this is the second via 0(31783) DEBUG: get_hdr_body : content_length=0 0(31783) found end of header 0(31783) DEBUG:uac_redirect:sort_contacts: <sip: 13143212222(a)eastern.testdomain.net> q=10 0(31783) DEBUG:uac_redirect:shmcontact2dset: adding contact <sip: 13143212222(a)eastern.testdomain.net> 0(31783) ******* setting for branch 0 flags 0 0(31783) parse_headers: flags=78 Segmentation fault (core dumped) // Where is this core dump being written? related openser.cfg snippet: if(t_check_status("302")){ xlog("$tU has a forward"); get_redirects("*", "redirected"); xlog("forwarding to $tU"); t_relay("5.6.7.8"); exit; }; Any help is as always, greatly appreciated.

2 1

[OpenSER-Users] openser authentication not work
by Amr Elgbaly 03 Jul '07

03 Jul '07

hello !! i installed openser with mysql module but any one can register and make calls to another users openser.cfg content cat openser.cfg # # $Id: openser.cfg 1827 2007-03-12 15:22:53Z bogdan_iancu $ # # simple quick-start config script # Please refer to the Core CookBook at http://www.openser.org/dokuwiki/doku.php <http://www.voipuser.org/ship_to.php?url=http://www.openser.org/dokuwiki/dok…> # for a explanation of possible statements, functions and parameters. # # ----------- global configuration parameters ------------------------ debug=8 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=yes # (cmd line: -E) children=4 log_facility=LOG_LOCAL0 sip_warning=yes check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) # Uncomment these lines to enter debugging mode #fork=no #log_stderror=yes # port=5060 # uncomment the following lines for TLS support #disable_tls = 0 #listen = tls:your_IP:5061 #tls_verify_server = 1 #tls_verify_client = 1 #tls_require_client_certificate = 0 #tls_method = TLSv1 #tls_certificate = "/usr/local/etc/openser/tls/user/user-cert.pem" #tls_private_key = "/usr/local/etc/openser/tls/user/user-privkey.pem" #tls_ca_list = "/usr/local/etc/openser/tls/user/user-calist.pem" # ------------------ module loading ---------------------------------- #set module path mpath="/usr/local/lib/openser/modules/" # Uncomment this if you want to use SQL database loadmodule "mysql.so" loadmodule "sl.so" loadmodule "tm.so" loadmodule "rr.so" loadmodule "maxfwd.so" loadmodule "usrloc.so" loadmodule "registrar.so" loadmodule "textops.so" loadmodule "mi_fifo.so" loadmodule "/usr/local/lib/openser/modules/xlog.so" # Uncomment this if you want digest authentication # mysql.so must be loaded ! loadmodule "auth.so" loadmodule "auth_db.so" # ----------------- setting module-specific parameters --------------- # -- mi_fifo params -- modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo") # -- 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", 2) modparam("usrloc", "db_url", "mysql://openser:openserrw@localhost/openser") #fifo_db_url="mysql://openser:openserrw@localhost/openser" modparam("usrloc", "db_mode", 2) # -- 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("usrloc", "db_url", "mysql://openser:openserrw@localhost/openser") modparam("auth_db", "password_column", "password") # -- 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"); exit; }; if (msg:len >= 2048 ) { sl_send_reply("513", "Message too big"); exit; }; # 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 if (!method=="REGISTER") record_route(); # subsequent messages withing a dialog should take the # path determined by record-routing if (loose_route()) { # mark routing logic in request append_hf("P-hint: rr-enforced\r\n"); route(1); }; if (!uri==myself) { # mark routing logic in request append_hf("P-hint: outbound\r\n"); # if you have some interdomain connections via TLS #if(uri=~"@tls_domain1.net") { # t_relay("tls:domain1.net"); # exit; #} else if(uri=~"@tls_domain2.net") { # t_relay("tls:domain2.net"); # exit; #} route(1); }; # 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==myself) { if (method=="REGISTER") { # Uncomment this if you want to use digest authentication #if (!www_authorize("openser.org", "subscriber")) { # www_challenge("openser.org", "0"); # exit; #}; save("location"); exit; }; lookup("aliases"); if (!uri==myself) { append_hf("P-hint: outbound alias\r\n"); route(1); }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); exit; }; append_hf("P-hint: usrloc applied\r\n"); }; route(1); } route[1] { # send it out now; use stateful forwarding as it works reliably # even for UDP2TCP if (!t_relay()) { sl_reply_error(); }; exit; } Regards , -- Amr Elgbaly Gnu/Linux sytem engineer OptiServers support team http://optiservers.com Telephone : +2 02 678 679 Cell Phone : +2 012 803 2002

2 1

[OpenSER-Users] can't find cpl-c
by Richard Morrisey 03 Jul '07

03 Jul '07

I'm having trouble finding the cpl-c module. I have the binaries for Openser 1.1.1 installed on arch x86_64 with FC6 downloaded from the opensuse repository. Where can I get a compiled version of this module? Rich

2 1

[Serusers] PA module SER 2_0_0 - no xcap query with auth parameter set to xcap
by tzieleniewski 03 Jul '07

03 Jul '07

Hi, I am trying to use the xcap authorization for PA during the SUBSCRITPION message servicing. I have the following code which work fine when auth parameter is set to 'none': if(lookup_user("$tu.uid", "@ruri")) { if (!t_newtran()) sl_reply_error(); drop; } (handle_subscription("registrar")) ... } but when I switch to auth 'xcap' I cant see any query send to XCAP server simulated on apache according to the presence handbook. Please point me what do I miss. Thanks Cheers Tomasz

2 7

[OpenSER-Users] manipulate INVITES
by Patrick Miccio 02 Jul '07

02 Jul '07

Hello everybody, since this is my first post and I am kinda new to OpenSER, bare with me ;) I have been trying to manipulate invites for the last 2 days and cant find the proper way to reach what is expected. my goal: send invites to specific PBX (Asterisk for example) with only the desired extension and not the full username, this is based on a avp_check if that UAC needs only extensions, some do, some don't ;) Here is what I do: First off all I extract the real username (in subscribers) and extension from the R-URI and place it in "$avp(callee_user)" and "$avp(callee_exten)" ############# my solution No1 is "working" avp_pushto("$ru/username", "$avp(callee_user)"); avp_copy("$avp(callee_exten)","$avp(callee_tmp)/gd"); if( subst('/^To:(.*)sip:[^@]*(@[a-zA-Z0-9.]+.*)$/To:\1sip:$avp(callee_tmp)\2/ig') ){}; -> callee_user is 012345678 -> callee_exten is 200 -> $ru is sip:012345678@xxx.xxx.xxx.xxx;user=phone -> subst [ To: <sip:012345678200@xxx.xxx.xxx.xxx;user=phone> ] with [To: <sip:200@xxx.xxx.xxx.xxx;user=phone> ] Those 3 lines work "fine", the testing Asterisk PBX gets the call correctly. The problem is that I should not change the "To:" part, it will make problems with call forwards etc... ############# my solution No.2 NOT working. if (subst_uri('/^sip:([0-9]+)@(.*)$/sip:$avp(callee_tmp)@\2;/i')){$}; doesn't work because OpenSER of course cant find 200 in the userloc.... ############# Generally I would think that changing the INVITE uri itself like in solution No.2 is the best way, couldn't find any proper way to make that work though. Does anyone have an idea how to realize this properly, or even if this makes sense ;) ? thx in advance, Patrick.

2 4

[Serusers] RLS module in ser 2_0_0 - subscriptions handling
by tzieleniewski 02 Jul '07

02 Jul '07

Hi, I am using the RLS module for RLS service and resource list subscriptions. Ive done everything according to the presence handbook. When SER sends NOTIFY messages to the subscribing UAs every instances of the subscribed resources is in the pending state. How are those subscriptions handled by ser?? Do I have to include presence_b2b molude so that those subscriptions in the pending state would be handled?? Thanks in advance Cheers Tomasz

2 3

[OpenSER-Users] not able to run openser
by Vishwadeepak Agarwal 02 Jul '07

02 Jul '07

hi all, I have installed openser. when i gave ./openser.init start i got this Command Monit to start OpenSER... ./openser.init: line 64: /usr/local/bin/monit: No such file or directory when i tried to run ./openser i got this ERROR: bad config file (16 errors) can anyone help? thanks in advance regards, Vishwadeepak ______________________________________________________________________

3 4

[Serusers] Efficient config and routing of 100's of prefix's
by Shaun Hofer 29 Jun '07

29 Jun '07

Hi, To terminate a call to the PSTN, my SER box has to route between multiple PSTN gateways depending on the destination phone number/prefix. For instance, -Use gateway1 if the destination begins with any of these prefixes: 07550[0-4] 075509 07551[0-2] 075514 075515[7-8] 0755187 0755337 07553[7-9] 075551[0-1] 07555[2-8] 07556[0-4] etc.. -Use gateway2 if the destination begins with any of these prefixes: 0730[0-2] 07303[0-6] 0731[0-2] 073131 07313[5-9] 073140 07314[4-6] 0731[6-7] 0732[1-7] 07329[1-2] 07329[5-6] etc.. -Use gateway3 if etc... -Use gatewayX if etc... Obviously, one or a small number of regular expressions can't efficiently cover all of these prefixes. However, doing it like this isn't ideal because ser.cfg would be huge and cumbersome. Also, the prefixes for each gateway may change over time: if ( (uri =~ "^sip:07550[0-4]") || (uri =~ "^sip:075509") || ... ) { route to gateway1 } if ( (uri =~ "^sip:0730[0-2]") || (uri =~ "^sip:07303[0-6]") || ... ) { route to gateway2 } if ( ... ) { route to gatewayX } What's the most efficient way of doing this with SER? Thanks in advanced -Shaun

3 2

[Serusers] Difficult NAT issues :external UAs behind NAT and internal UAs on private IPs but _not_ NATted
by Michael Grigoni 29 Jun '07

29 Jun '07

Greetings: I really need some fresh eyes on my ser.cfg and help with this difficult NAT issue: our internal UAs are on private IPs, registered with ser running on the border router (it has aliases for the private IP internal LANs and the public IP on which it listens). Calls between UAs on public IPs and our internal UAs (on their private IPs) work well. Calls between UAs behind NAT (from the Internet) and our internal UAs (on their private IPs) have no audio from us to them. Only private IP addresses in routes from the Internet must be rewritten for NAT; our internal UAs on their private IPs must be routed without change (which works if the foreign UA isn't behind NAT). We are running '0.8.99-dev19 openbsd/sparc' and 'rtpproxy 1.21 2004/08/13' Our 'ser.cfg', a packet dump of a call from an Internet UA behind NAT ('adams.dmp') and a segment of the logfile ('serlog') are at: http://www.cybertheque.org/sw/ser/configs All help is truly appreciated. Michael Grigoni Cybertheque Museum

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sr-users June 2007