sr-users May 2007

sr-users@lists.kamailio.org

164 participants
296 discussions

[Serusers] Proper handling of REFER
by Steve Blair 11 May '07

11 May '07

We just started experiencing a problem with call transfers. This use to work but we cannot figure out what broke. We are investigating our gateway software but I wanted to check with the SER community too. If we receive a REFER method we simply t_relay(). Is this the correct handling ? Thanks,Steve

3 2

[Users] Differentiate INVITEs
by Kristian Kielhofner 11 May '07

11 May '07

Hello Everyone, I am trying to implement music on hold with Asterisk. I know that this has been asked before, but I have searched through the archives and I think I am doing something a bit different... Here is the situation: Components: Phone (registered to OpenSER) Cisco GW (connects to PSTN) OpenSER (in the middle of this mess) Diagram Outgoing Call: Phone -> OpenSER (Authentication, LCR, record route, NAT traversal, yada yada) -> Cisco GW Incoming: Cisco GW -> OpenSER (locations lookup, record route, NAT traversal, yada yada) -> Phone OpenSER catches any INVITE from the phone and routes it as necessary. The above config works perfectly except for hold/music on hold. As I understand it, music on hold is implemented with a re-INVITE (from the phone) with a 0.0.0.0 address in the SDP (c=IN IP4 0.0.0.0). I think that if I had a way to check for this I could route the re-INVITE for hold to an Asterisk server to run music on hold instead of routing it to the Cisco GW (which is what happens now). A few questions: 1) Is there a better way to differentiate a re-INVITE for hold/moh vs. just a regular INVITE? 2) Is there a way to do this in OpenSER (either using some kind of matching based on SDPs or some other method)? 3) Is there any reason this wouldn't work? I'm thinking that the Asterisk side would be fairly simple, with a context like this for the incoming INVITEs to play music on hold: exten => _NXX.,1,Answer ; (can't hurt) exten => _NXX.,n,MusicOnHold(default) exten => _NXX.,n,Hangup ... or something to that effect. What do you think? Any and all comments welcome. Thanks! -- Kristian Kielhofner

3 4

[Users] SIP trunking requirements
by A.M. 11 May '07

11 May '07

Hi, I'm working on a project involving a SIP trunking provider that requires a b2bua with registration. I noticed on the home page that openser is not a b2bua. Is there an architectural limitation of openser that prevents it from being a b2bua? A common setup for the b2bua will be NAT traversal. Currently, we are using an Ingate SIParator 19 appliance but we would rather use pure software. I haven't been able to find an open source b2bua that can bind to multiple addresses for NAT traversal and register with the SIP trunk provider. Asterisk is pretty heavyweight for the basic SIP mangling I want to do. Any suggestions? Thanks, M

2 1

[Serusers] Capturing all messages for testing purposes
by POON Ben 11 May '07

11 May '07

Hi, I am setting up a testing environment with about 100 users. I would like to see who is online/registered, conversation times, protocols, etc. Basically I want to be able to capture all the messages for troubleshooting purposes, durability, compatibility, reliability, etc. Will the acc module do that for me, how do I set it up to capture the data? Thank you very much, Ben

4 6

[Serusers] unregister problem
by Pezhman Lali 11 May '07

11 May '07

hi I am using ser+asterisk(with a2billing), all of users must be registerd, for accepting call, but the unregistered users can place the calls ,with a valid number as callerid. as u now it is too critical bug for my system, thanks in advance Best Mani __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

2 1

[Serusers] How to run SER in background?
by karl lu 11 May '07

11 May '07

Hi, The get started documnt says if I type: ser D E, it will start ser in foreground. Then if I just type in ser, it will start ser in background. Is that right? It seems like when I only type in ser, it also runs in foreground. How can I run ser in backgroung? Thanks, Karl

2 1

[Users] [openser + Asterisk] Caller don't hear callee
by Bodin Bruno 11 May '07

11 May '07

Hello with this config, a caller can call a calle , but callee don't send any RTP message to asterisk :( What 's the problem ? Thank, route{ 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; }; if (!method=="REGISTER") record_route(); if (loose_route()) { # mark routing logic in request append_hf("P-hint: rr-enforced\r\n"); route(1); }; if(method=="CANCEL" || method=="BYE") { setflag(10); }; if ((src_ip==127.0.0.1) && (src_port==5062) && (dst_port==5060)) { if (method=="REGISTER") { save("location"); return; } if (!lookup("location")) { sl_send_reply("404", "not found"); return; }; setflag(9); route(1); return; }; if (!uri==myself) { append_hf("P-hint: outbound\r\n"); route(1); }; if (uri==myself) { if (method=="REGISTER") { save("location"); return; }; if (!lookup("location")) { sl_send_reply("404", "Not Found"); exit; }; }; route(1); } route[1] { if(method=="INVITE" && !isflagset(10) && !isflagset(9)) { revert_uri(); $ru = "sip:"+$rU+"@"+$rd+":5062"; }; if (!t_relay()) { sl_reply_error(); }; exit; }

2 2

[Users] How I configure kdevelop to see the debug of any module?
by Lou 10 May '07

10 May '07

I don't debugger my module.so with kdevelop I run openser with fork=no but, I can't debug a module using kdevelop. __________________________________________________ Preguntá. Respondé. Descubrí. Todo lo que querías saber, y lo que ni imaginabas, está en Yahoo! Respuestas (Beta). ¡Probalo ya! http://www.yahoo.com.ar/respuestas

2 1

[Serusers] Problem with ser-mysql pakage on Debian
by Daniel Sailer 10 May '07

10 May '07

Hi ser specialists, I have a problem with the installtion of the "ser-mysql-module_0.9.6-0.1_i386.deb" module. If I want to install the pakage with: "dpkg -i ser-mysql-module_0.9.6-0.1_i386.deb" I get the following error: ######## ser:/home/ser# dpkg -i ser-mysql-module_0.9.6-0.1_i386.deb Wähle vormals abgewähltes Paket ser-mysql-module. (Lese Datenbank ... 79463 Dateien und Verzeichnisse sind derzeit installiert.) Entpacke ser-mysql-module (aus ser-mysql-module_0.9.6-0.1_i386.deb) ... dpkg: Abhängigkeitsprobleme verhindern Konfiguration von ser-mysql-module: ser-mysql-module hängt ab von libmysqlclient15; aber: Paket libmysqlclient15 ist nicht installiert. dpkg: Fehler beim Bearbeiten von ser-mysql-module (--install): Abhängigkeitsprobleme - lasse es unkonfiguriert Fehler traten auf beim Bearbeiten von: ser-mysql-module ######## TranslationFehler traten auf beim Bearbeiten von ######## ser:/home/ser# dpkg -i ser-mysql-module_0.9.6-0.1_i386.deb Select previously not selected pakage ser-mysql-module. (Read Database ... 79463 Files and Directorys currently installed.) Unpack ser-mysql-module (from ser-mysql-module_0.9.6-0.1_i386.deb) ... dpkg: Dependency problems prevent configuration of ser-mysql-module: ser-mysql-module depends on libmysqlclient15; but: pakage libmysqlclient15 is not installed. dpkg: Error while processing of ser-mysql-module (--install): Dependency problems - leaving unconfigured An Error occured while processing of: ser-mysql-module ######## libmysqlclient15off and libmysqlclient15-dev are installed already. Kind regards Daniel

1 0

[Users] Errors during a call and bad communication
by Bodin Bruno 10 May '07

10 May '07

Hi, anyone know something about this, when a twinkle UA call a eyebeam UA (Tls or not TLS) I get theses errors : 2(9486) ERROR: tcp_blocking_connect: timeout 10 s elapsed from 10 s 2(9486) ERROR: tcpconn_connect: tcp_blocking_connect failed 2(9486) ERROR: tcp_send: connect failed 2(9486) msg_send: ERROR: tcp_send failed 2(9486) ERROR:tm:t_forward_nonack: sending request failed 9(9500) WARNING: set_timer for 3 list called on a "detached" timer -- ignoring: 0x2adbfa551ee0 2(9486) ERROR: tcp_blocking_connect: timeout 10 s elapsed from 10 s 2(9486) ERROR: tcpconn_connect: tcp_blocking_connect failed 2(9486) ERROR: tcp_send: connect failed 2(9486) msg_send: ERROR: tcp_send failed 2(9486) ERROR:tm:t_forward_nonack: sending request failed But when eyebeam call twinkle , no errors . thank for all.

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sr-users May 2007