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[Users] loose_route problem with Fritz
by Edoardo Serra 22 May '07

22 May '07

Hi guys, I have OpensER 1.1.0 in fornt of 2 Asterisks servers. My OpenSER act as load balancer for outbound calls and for registrar server for inbound calls coming from Asterisks PSTN GW to Users Some users, using AVM Fritz Fon Boxes cannot register on the proxy, they get a "483 Too Many Hops". They say it happens only if they configure the Fritx using FQDN of our proxy, if they put its IP addess in it they are having no problems... (it sounds very strange to me but I captured some trafic and had confirmation of what they're saying) Here is a SIP dialog with the error message Request-Line: REGISTER sip:sip.advancemedia.it SIP/2.0 Via: SIP/2.0/UDP 192.168.1.121:5060;branch=z9hG4bKC0F2D683E6BE8AC5F1A4A260BE120 Route: <sip:sip.advancemedia.it;lr> From: <sip:cirifax@sip.advancemedia.it>;tag=1898319928 To: <sip:cirifax@sip.advancemedia.it> Call-ID: 9ADCCD22187BDEC93B5953DD93E0F(a)192.168.1.121 CSeq: 1 REGISTER Max-Forwards: 70 User-Agent: AVM FRITZ!Box Fon ata 1020 11.04.01 (Jan 25 2006) Supported: 100rel, replaces Allow-Events: telephone-event, refer Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, UPDATE, PRACK, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE Accept: application/sdp, multipart/mixed Accept-Encoding: identity Content-Length: 0 Status-Line: SIP/2.0 483 Too Many Hops Message Header Via: SIP/2.0/UDP 192.168.1.121:5060;received=80.67.115.96;branch=z9hG4bKC0F2D683E6BE8AC5F1A4A260BE120 From: <sip:cirifax@sip.advancemedia.it>;tag=1898319928 To: <sip:cirifax@sip.advancemedia.it>;tag=b36cb132c8240044969e91db40b97d00.d5d1 Call-ID: 9ADCCD22187BDEC93B5953DD93E0F(a)192.168.1.121 CSeq: 1 REGISTER Server: OpenSer (1.1.0-notls (i386/linux)) Content-Length: 0 Warning: 392 213.92.79.131:5060 "Noisy feedback tells: pid=13326 req_src_ip=213.92.79.131 req_src_port=5060 in_uri=sip:sip.advancemedia.it out_uri=sip:sip.advancemedia.it via_cnt==71" It doesn't happen if the user put the ip of the proxy server in the configuration of the Fritz I guess it's a problem with loose routing but I cannot understand if it's a buggy implementation of SIP in the fritz or my misconfiguration Here is my openser.cfg, tnx in advance for help. Edoardo # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $ # ----------- global configuration parameters ------------------------ check_via=yes # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) fifo="/tmp/ser_fifo" # ------------------ module loading ---------------------------------- loadmodule "/usr/lib/openser/modules/sl.so" [...] modparam("usrloc", "db_mode", 2) modparam("usrloc", "db_url", "mysql://user:pass@192.168.252.5/openser") modparam("usrloc", "timer_interval", 120) modparam("auth_db", "calculate_ha1", 0) modparam("auth_db", "db_url", "mysql://user:pass@192.168.252.5/db") modparam("uri_db", "db_url", "mysql://user:pass@192.168.252.5/openser") modparam("rr", "enable_full_lr", 1) modparam("registrar", "nat_flag", 6) modparam("registrar", "max_expires", 3600) modparam("registrar", "min_expires", 60) modparam("registrar", "append_branches", 0) modparam("registrar", "desc_time_order", 1) modparam("nathelper", "natping_interval", 20) # Ping interval 20 s modparam("nathelper", "ping_nated_only", 1) # Ping only clients behind NAT modparam("dispatcher", "force_dst", 1) # ------------------------- request routing logic ------------------- # main routing logic route{ if (!mf_process_maxfwd_header("10")) { sl_send_reply("483","Too Many Hops"); exit; }; if ( msg:len > max_len ) { sl_send_reply("513", "Message too big"); exit; }; if ( (method=="OPTIONS") || (method=="SUBSCRIBE") || (method=="NOTIFY") ) { sl_send_reply("405", "Method Not Allowed"); exit; } # loose-route processing if (loose_route()) { # mark routing logic in request append_hf("P-hint: rr-enforced\r\n"); t_relay(); exit; }; if (!method=="REGISTER") { record_route(); }; if ((src_ip==ip.of.asterisk.1) || (src_ip==ip.of.asterisk.1)) { if (!lookup("location")) { sl_send_reply("486", "Busy here"); exit; }; t_on_reply("1"); if (!t_relay()) { sl_reply_error(); }; exit; }; if (nat_uac_test("3")) { if ((method=="REGISTER") || (method=="INVITE") || (method=="OPTIONS")) { fix_nated_contact(); force_rport(); setflag(6); # Mark as NATed } } if (method=="REGISTER") { if (!proxy_authorize("exorsa", "openser_view")) { proxy_challenge("exorsa", "0"); exit; } if (!check_to()) { sl_send_reply("403", "Digest username and URI username do NOT match! Stay away!"); exit; } save("location"); exit; }; if (method=="INVITE") { if (!proxy_authorize("exorsa", "openser_view")) { proxy_challenge("exorsa", "0"); exit; } if (!check_from()) { sl_send_reply("403", "Digest username and URI username do NOT match! Stay away!"); exit; } } if (!uri==myself) { # mark routing logic in request append_hf("P-hint: outbound\r\n"); route(1); exit; }; append_hf("P-hint: usrloc applied\r\n"); route(1); } route[1] { # !! Nathelper if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)" && !search("^Route:")){ sl_send_reply("479", "We don't forward to private IP addresses"); exit; }; # NAT processing of replies; apply to all transactions (for example, # re-INVITEs from public to private UA are hard to identify as # NATed at the moment of request processing); look at replies t_on_reply("1"); if ((src_ip!=ip.of.asterisk.1) && (src_ip!=ip.of.asterisk.2)) { ds_select_dst("1", "0"); } if (!t_relay()) { sl_reply_error(); }; } # !! Nathelper onreply_route[1] { # NATed transaction ? if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") { fix_nated_contact(); # otherwise, is it a transaction behind a NAT and we did not # know at time of request processing ? (RFC1918 contacts) } else if (nat_uac_test("1")) { fix_nated_contact(); }; }

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[Users] b2bua
by Kro Kamil 22 May '07

22 May '07

Hi, I need a b2bua to use with openser. I also don't want to use radius. what options do I have? thanks in advance. _________________________________________________________________ Live.com'u deneyin: çevrimiçi dünyanýzý bir araya getirin; haberler, spor, hava durumu ve çok daha fazlasý. http://www.live.com/getstarted

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[Users] Presence, Presence_xml & NOTIFY
by mika.saari＠wipsl.com 22 May '07

22 May '07

Hi, At the moment I am using SVN version of OpenSER (2:2253M) also I have been using the 1.2 release. The problem has been the NOTIFY message which has been dropping time to time, or like in current svn release, I do not get the NOTIFY message at all anymore. I think my openser.cfg is having something wrong, but haven't been able to figure out what is the reason. I do use XCAP_Lite 1.0.0 with presence & presence_xml modules. The force_active is set to "0", because I want to have reactive buddy authorization. The XCAP side works nicely, also watchers and active_watchers are populated by OpenSER correctly. But once the SUBSCRIBE is received from client, no NOTIFY is sent to any clients which are active in watchers table. After reading the log file I found this message from it: 0(4415) PRESENCE: publ_notify: Could not get subs_dialog from database Thank you for tips, -Mika Saari

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[Users] Distribution Calls with the same destination number to different servers
by Andreas Brodmann 22 May '07

22 May '07

Hi all, I am working on the following scenario: Our carrier sends all calls (SIP protocol) to my openser, which forwards the calls depending on their destination number to four asterisk servers (for load sharing reason - we're speaking of a roof of 300 concurrent calls). I have one number which leads to a conferencence (one speaker, multiple listeners), whoose number of callers will exceed the number of calls a single asterisk will hold. Therefore I want the openser to distribute the calls to this number to all four asterisk servers (to share the load). My question is: how do I configure this on openser, as I have to send all requests from the same SIP session to the same asterisk? Can anyone give me a hint on this? Thanks in advance. Andreas

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[Serusers] Unable to download SER RC1
by Andrey Kuprianov 22 May '07

22 May '07

Hi, Is something wrong with siprouter.onsip.org FTP site? I've tried Firefox, IE7 and even wget, but still cant download ftp://siprouter.onsip.org/pub/ser/ser-2.0.0-rc1_src.tar.gz. What's wrong? Andrey.

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[Serusers] ser.cfg buildsystem
by KUMAR 22 May '07

22 May '07

Hi all, I am having some problem with the configuration file buildsystem. Whatever changes I make, it always creates only the basic hello world configuration file only. I am using the latest package. It also gives the following message **** WARNING! Only helloworld is implemented!!!! How do I include other feature packages like NAT and authentication. Here's what i've done This configure script will generate a new local configuration to ./local/default/config.m4. ====================== Press ENTER to accept default values. SER Server IP address: IP address to listen on (202.52.247.221): 192.168.2.2 Port to listen on (5060): Public IP address of server (ENTER if same as listen IP): Domain name for this SER installation (i.e. mydomain.com, def. mytestser.org) : MYDOMAIN SER installation path (/usr/local, i.e. modules in /usr/local/lib/ser/modules): Usage: dbtype://readwriteuser:password@host/databasename Database URL (mysql://ser:heslo@localhost/ser): You may choose to turn on logging as found in the SER - Getting Started guide. This logging can be turned on and off in a live environment, and we recommend everybody to include the logging except in high-load environments. (You can also later disable it from your config.m4) Turn on logging (yes): How much log possibilities to include (low/medium/high, default high): You can base your configuration file on one of the feature packages available. Currently, the supported packages are (gettingstarted sems) gettingstarted : A set of basic configurations found in most setups sems : A configuration file that enables SER as a front-end for SEMS You can also choose to include specific components within a feature package (components). And finally, you can choose to include no prepared features, just use your own code in ./local. Your choice of feature, choose only one, default is gettingstarted (none, components or gettingstarted sems) ? You have chosen the SER - Getting Started feature package. (See SER - Getting Started document) Which feature set do you want to base your configuration on: helloworld : basic configuration auth : authentication using mysql database nat : NAT traversal handling pstn : Functionality for PSTN integration callfwd : basic call features like call forwarding **** WARNING! Only helloworld is implemented!!!! Your choice (default helloworld, auth, nat, pstn, callfwd): nat You have chosen NAT traversal, do you want to use rtpproxy (iptel.org) or mediaproxy (ag-projects)? Your choice (default rtpproxy, mediaproxy): rtpproxy Copying site templates to ./local/default... The resulting ser.config doesn't include anything except the helloworld. Thank you in advance. Kumar

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Re: RES: [Users] Presence Problem - Publish Offline
by Anca Vamanu 22 May '07

22 May '07

Hello, The proper way to send Publish messages is described in RFC 3903 (see section 4.1 for event refreshing event state publication). If you don't include a Sip-If-Match header it is not considered a refresh of the previous state and thus it does not rewrite the open state previously published. regards, Anca Hildebrando Trannin wrote: >Hi Anca, > >Thanks for your answer. When I say that OFFLINE doesn't works is that I send >a PUBLISH with the basic status CLOSED (after already sent others PUBLISH >with status OPENED) and OpenSER doesn't send NOTIFY message to inform >subscribers that that contact is now OFFLINE. According to your answer it >happens because I'm not sending PUBLISH's with Sip-If-Match. Is it right? If >no, how is the correct way to send PUBLISH? Just to complement, PUBLISH with >expires = 0 that do UNPUBLISH is working fine. > >Regards, > Hildebrando Trannin > >-----Mensagem original----- >De: Anca-Maria Vamanu [mailto:anca@voice-system.ro] >Enviada em: segunda-feira, 21 de maio de 2007 06:12 >Para: Hildebrando Trannin >Cc: users(a)openser.org >Assunto: Re: [Users] Presence Problem - Publish Offline > >Hello, > >What happens here is that the presence module receives a first Publish >from your aplication (that is a Publish with no Sip-If-Match header) >having the basic status closed. In this situation, it does not send >Notify to its watches to prevent descovering that the user is in fact >online by tracking packets. > >Hildebrando Trannin wrote: > > > >>Hi all, >> >>I was testing OpenSER presence functionality using eyebeam and a >>softphone developed by my team. The OFFLINE state with eyebeam worked >>perfectly, but with my softphone it didn't work. I set force_active = >>1. XML sent by PUBLISH and OpenSER log are below. Can anyone help me? >> >> >> >I don't understand what you mean with the Offline state not working. >Could you please give more details? > > > >>Thanks, Hildebrando >> >>*PIDF XML:* >> >>* * >> >><?xml xmlns="urn:ietf:params:xml:ns:pidf" >> >>entity="sip:hildebrando@voip.maritaca"> >> >><presence> >> >><tuple id=""> >> >><status> >> >><basic>closed</basic> >> >></status> >> >><note>offline</note> >> >></tuple> >> >></presence> >> >>The basic difference between my application and eyebeam is that >>eyebeam uses *RPID XML *and I use *PIDF XML*. >> >>*OPENSER LOG:* >> >>* * >> >>3(26039) PRESENCE: update_presentity: The presentity status is >>offline; do not send notify >> >>------------------------------------------------------------------------ >> >> >> >> >> >regards, > >Anca Vamanu > > > >>_______________________________________________ >>Users mailing list >>Users(a)openser.org >>http://openser.org/cgi-bin/mailman/listinfo/users >> >> >> >> > > >

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Re: [Serusers] Does SER's MYSQL work in SUSE Linux?
by Cyprian Clement 22 May '07

22 May '07

Hi Ram, Thanks for the note. I thought there may be some issues with SUSE regarding mysql since all the talk is about other Linux flavours. I will give it a try and see. Thanks, Cyp. ==== ----- Original Message ---- From: ram <talk2ram(a)gmail.com> To: Cyprian Clement <cyprian_clement(a)yahoo.co.uk> Cc: "serusers(a)iptel.org" <serusers(a)iptel.org> Sent: Sunday, 20 May, 2007 5:06:55 PM Subject: Re: [Serusers] Does SER's MYSQL work in SUSE Linux? On 5/18/07, Cyprian Clement <cyprian_clement(a)yahoo.co.uk> wrote: Hello Community, Does anyone know whether it's possible to install the current recommended MYSQL on SUSE Linux. I have a Machine with a SUSE installed on it. I have successfully installed SER 0.9.6 but now I would like to have MYSQL for authentication support. Does the SER's recommended MYSQL work with SUSE?. I only see the talk about Redhat and Debian so unsure if it works with SUSE. Many thanks for in advance. Hi any linux with mysql and ser should support try using mysql authentication any problems post here ram Cyp. ---------- Yahoo! Answers - Got a question? Someone out there knows the answer. Try it now. _______________________________________________ Serusers mailing list Serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers ___________________________________________________________ What kind of emailer are you? Find out today - get a free analysis of your email personality. Take the quiz at the Yahoo! Mail Championship. http://uk.rd.yahoo.com/evt=44106/*http://mail.yahoo.net/uk

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Re: [Serusers] Problem running presence modules - SER won't start
by Vaclav Kubart 22 May '07

22 May '07

There was problem that sudo didn't propagate LD_LIBRARY_PATH settings or it did, but linker didn't care or something like that. Does your ser binary has setuid/setgid bit set? In this case linker may ignore the LD_LIBRARY_PATH settings too. You can try to add the path /usr/local/lib/ser to your /etc/ld.so.conf and run ldconfig. This might help... Vaclav On Mon, May 21, 2007 at 12:32:15PM -0700, Mahatma Sarasvati wrote: > No, I'm not using sudo. Does it matter? > > M > > ----- Original Message ---- > From: Vaclav Kubart <vaclav.kubart(a)iptel.org> > To: Mahatma Sarasvati <gnoahhb(a)yahoo.com> > Cc: serusers(a)iptel.org > Sent: Wednesday, May 16, 2007 9:47:40 PM > Subject: Re: [Serusers] Problem running presence modules - SER won't start > > Hello, > how did you start ser? Aren't you using sudo? > Vaclav > > On Wed, May 16, 2007 at 11:24:07AM -0700, Mahatma Sarasvati wrote: > > Hello All, > > > > Running SER 2.0.0 rc1 from CVS (updated yesterday) on CentOS 5. > > > > I'm trying to test/use the presence functionality in SER. > > I've compiled and installed with make group_include="standard standard-dep" all > > > > I've set the environment variable: export LD_LIBRARY_PATH=/usr/local/lib/ser > > [root@vx1 modules]# echo $LD_LIBRARY_PATH > > /usr/local/lib/ser > > > > My supporting modules are here: > > > > [root@vx1 modules]# ls -l /usr/local/lib/ser/ > > total 828 > > -rwxr-xr-x 1 root root 40768 May 14 15:19 libbinrpc.so > > -rwxr-xr-x 1 root root 179044 May 14 15:19 lib_ser_cds.so > > -rwxr-xr-x 1 root root 213028 May 14 15:19 lib_ser_presence.so > > -rwxr-xr-x 1 root root 371056 May 14 15:19 lib_ser_xcap.so > > drwxr-xr-x 2 root root 4096 May 14 15:19 modules > > [root@vx1 modules]# > > > > Load module commands are in ser.cfg: > > loadmodule "/usr/local/lib/ser/modules/xmlrpc.so" > > loadmodule "/usr/local/lib/ser/modules/xcap.so" > > loadmodule "/usr/local/lib/ser/modules/pa.so" > > loadmodule "/usr/local/lib/ser/modules/presence_b2b.so" > > loadmodule "/usr/local/lib/ser/modules/rls.so" > > loadmodule "/usr/local/lib/ser/modules/dialog.so" > > > > libXML2 and libXML2-devel are installed. > > > > Yet, when I try to start SER I get this: > > May 15 13:09:24 vx1 ser: ERROR: load_module: could not open module </usr/local/lib/ser/modules/pa.so>: lib_ser_xcap.so: cannot open shared object file: No such file or directory > > May 15 13:09:24 vx1 ser: parse error (81,13-14): failed to load module > > May 15 13:09:24 vx1 ser: ERROR: load_module: could not open module </usr/local/lib/ser/modules/presence_b2b.so>: lib_ser_xcap.so: cannot open shared object file: No such file or directory > > May 15 13:09:24 vx1 ser: parse error (82,13-14): failed to load module > > May 15 13:09:24 vx1 ser: ERROR: load_module: could not open module </usr/local/lib/ser/modules/rls.so>: lib_ser_xcap.so: cannot open shared object file: No such file or directory > > May 15 13:09:24 vx1 ser: parse error (83,13-14): failed to load module > > May 15 13:09:24 vx1 ser: ERROR: load_module: could not open module </usr/local/lib/ser/modules/dialog.so>: lib_ser_cds.so: cannot open shared object file: No such file or directory > > > > Can anyone help? I think I've done everything right. Why won't SER start? > > > > Thanks, > > M > > > > Here's my modules directory: > > [root@vx1 modules]# ls -l > > total 7264 > > -rwxr-xr-x 1 root root 67000 May 14 15:19 acc_db.so > > -rwxr-xr-x 1 root root 73248 May 14 15:19 acc_syslog.so > > -rwxr-xr-x 1 root root 69946 May 14 15:19 auth_db.so > > -rwxr-xr-x 1 root root 58071 May 14 15:19 auth.so > > -rwxr-xr-x 1 root root 37345 May 14 15:19 avp_db.so > > -rwxr-xr-x 1 root root 168768 May 14 15:19 avpops.so > > -rwxr-xr-x 1 root root 79110 May 14 15:19 avp.so > > -rwxr-xr-x 1 root root 279385 May 14 15:19 ctl.so > > -rwxr-xr-x 1 root root 72896 May 14 15:19 db_ops.so > > -rwxr-xr-x 1 root root 218639 May 14 15:18 dbtext.so > > -rwxr-xr-x 1 root root 97287 May 14 15:19 dialog.so > > -rwxr-xr-x 1 root root 63003 May 14 15:19 dispatcher.so > > -rwxr-xr-x 1 root root 21604 May 14 15:19 diversion.so > > -rwxr-xr-x 1 root root 114536 May 14 15:19 domain.so > > -rwxr-xr-x 1 root root 45704 May 14 15:19 enum.so > > -rwxr-xr-x 1 root root 109624 May 14 15:19 eval.so > > -rwxr-xr-x 1 root root 84357 May 14 15:19 exec.so > > -rwxr-xr-x 1 root root 81398 May 14 15:19 fifo.so > > -rwxr-xr-x 1 root root 53442 May 14 15:19 flatstore.so > > -rwxr-xr-x 1 root root 43414 May 14 15:19 gflags.so > > -rwxr-xr-x 1 root root 87574 May 14 15:19 lcr.so > > -rwxr-xr-x 1 root root 35883 May 14 15:19 maxfwd.so > > -rwxr-xr-x 1 root root 112635 May 14 15:19 mediaproxy.so > > -rwxr-xr-x 1 root root 87485 May 14 15:19 msilo.so > > -rwxr-xr-x 1 root root 106696 May 14 15:19 mysql.so > > -rwxr-xr-x 1 root root 187822 May 14 15:19 nathelper.so > > -rwxr-xr-x 1 root root 21203 May 14 15:19 options.so > > -rwxr-xr-x 1 root root 741640 May 14 15:19 pa.so > > -rwxr-xr-x 1 root root 131893 May 14 15:19 pdt.so > > -rwxr-xr-x 1 root root 272113 May 14 15:19 permissions.so > > -rwxr-xr-x 1 root root 122158 May 14 15:19 pike.so > > -rwxr-xr-x 1 root root 232133 May 14 15:19 presence_b2b.so > > -rwxr-xr-x 1 root root 26172 May 14 15:19 print.so > > -rwxr-xr-x 1 root root 47597 May 14 15:19 ratelimit.so > > -rwxr-xr-x 1 root root 152843 May 14 15:19 registrar.so > > -rwxr-xr-x 1 root root 402652 May 14 15:19 rls.so > > -rwxr-xr-x 1 root root 114896 May 14 15:19 rr.so > > -rwxr-xr-x 1 root root 63276 May 14 15:19 sanity.so > > -rwxr-xr-x 1 root root 66942 May 14 15:19 sl.so > > -rwxr-xr-x 1 root root 222033 May 14 15:18 sms.so > > -rwxr-xr-x 1 root root 34415 May 14 15:19 speeddial.so > > -rwxr-xr-x 1 root root 120807 May 14 15:19 textops.so > > -rwxr-xr-x 1 root root 43276 May 14 15:19 timer.so > > -rwxr-xr-x 1 root root 848962 May 14 15:19 tm.so > > -rwxr-xr-x 1 root root 117593 May 14 15:19 uac.so > > -rwxr-xr-x 1 root root 38793 May 14 15:19 unixsock.so > > -rwxr-xr-x 1 root root 38979 May 14 15:19 uri_db.so > > -rwxr-xr-x 1 root root 38603 May 14 15:19 uri.so > > -rwxr-xr-x 1 root root 351468 May 14 15:19 usrloc.so > > -rwxr-xr-x 1 root root 41867 May 14 15:19 xcap.so > > -rwxr-xr-x 1 root root 100354 May 14 15:19 xlog.so > > -rwxr-xr-x 1 root root 98456 May 14 15:19 xmlrpc.so > > [root@vx1 modules]# > > > > > > > > > > > > > > > > > > ____________________________________________________________________________________Boardwalk for $500? In 2007? Ha! Play Monopoly Here and Now (it's updated for today's economy) at Yahoo! Games. > > http://get.games.yahoo.com/proddesc?gamekey=monopolyherenow > > _______________________________________________ > > Serusers mailing list > > Serusers(a)lists.iptel.org > > http://lists.iptel.org/mailman/listinfo/serusers > > > > > > > ____________________________________________________________________________________ > Don't pick lemons. > See all the new 2007 cars at Yahoo! Autos. > http://autos.yahoo.com/new_cars.html

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[Users] Customize messages [max_contacts]
by jprevedello 22 May '07

22 May '07

Hi gyus, I configure my openser to restrict the number of register with the same user using the function [max_contacts], and functioned perfectly. # Allow no more than 1 contacts per AOR modparam("registrar", "max_contacts", 1) Whenever that a user tries to register using the user that already register, the system return the following message: "Registration error:503 - Service Unavailable" I need to customize the message informing the user the reason of error, something as "user already registered" (softphone). I effected some tests, but I did not have success. Something as: if( t_check_status("503")) { t_reply("503","User already registered!!!"); exit; } Any sugestion ? Regards

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