sr-users December 2005

sr-users@lists.kamailio.org

158 participants
312 discussions

[Serusers] Communication between SER as Proxy and a SIP Server

by Anthony Chapellier

Hi, I need to configure SER as a SIP proxy and that all SIP requests go through SER. To do it, you normally add SER as an outbound proxy into a routing table in your SIP server. But actually I can't modify the server... So, the solution I wish to implement is a way to register SER in SIP server as an "UAC" when it receives a REGISTER request from a real one. So first things first, is it possible ? I think you could do it by doing the following : - Save UAC real location. - Rewrite Contact Header Field in SIP packet request with SER IP adress and forward this request to SIP server. Then when you receive a request from SIP server, SER searches for UAC real location and forward request to it. So finally, how could you do it ? I tought I could use subst() function but it seems I can't master this function perfectly to make it work. So does anyone have an idea ? Thanks, Anthony

18 years, 9 months

[Serusers] nathelper/rtpproxy when both SIP UA are behind same NAT

by Rafael R. GV

Hi I need to let the UAs speak directly to each other without force rtpproxy, Is there any solution for this issue? rafael ---------- Forwarded message ---------- From: Rafael J. Risco G.V. <rafael.risco(a)gmail.com> Date: Apr 22, 2005 2:17 PM Subject: UA´s behind same NAT using na thelper/rtpproxy, No Audio... To: serusers(a)lists.iptel.org I am using avpops to enable SER to see if the UAs are located behind the same address and now I need to let the UAs speak directly to each other (without force rtpproxy), please someone see my configuration below and send some advice. rafael ----. if (!lookup("location")) { log(1,"unable to locate user \n"); # handle user which was not found route(4); break; }; ### Test if UAS are in the same NAT: # get the host part of the final uri (IP part) # and store it in AVP ID 13 avp_write("$ruri/domain", "i:13"); if (avp_check("i:13","eq/$src_ip/i")) { log(1, "source IP is the same as destination IP\n"); route(3); break; }; avp_delete("i:13/g"); . . # -------------- Same NAT Call Routing (no force rtpproxy) ---- route[3]{ log(1," route[3]: UAs are in the same nat, NO force_rtp_proxy "); ### Do something!!!! if(!t_relay()){ sl_reply_error(); }; }

18 years, 9 months

[Serusers] Which all methods does SER supports????/

by nitin ganjsinghani

Hi all can anyb plz tell me that which all methods r supported by SER regards Nitin

18 years, 9 months

[Serusers] SER + AD

by Andrej Sirk

Hello, somebody knows how to integrate SER with AD. Maybe with LDAP module? thanks

18 years, 9 months

[Serusers] Replicate REGISTER from SER to non-SER sip server

by Matt morris

Hi all, I have this scenario: A SIP Client needs to register with both a SER server and a non-SER sip server (different domains). How can I achieve this in SER's config? I have seen this example in the list to forward the REGISTER message to other SER servers: if(method == "REGISTER") { if(src_ip==<IP of peer1> || src_ip==<IP of peer2>) { save_noreply("location"); } else { if(!www_authorize("<my domain>", "subscriber")) { www_challenge("<my domain>", "0"); break; } if(!check_to()) { sl_send_reply("403", "Use To=username next time"); break; } if(!save("location")) { sl_reply_error(); break; } forward_tcp("<IP of peer1", 5060); forward_tcp("<IP of peer2", 5060); } break; } Would it work for my scenario? I tried it but it seems the forward_tcp line gave me this error: "forward_req: ERROR: cannot forward to af 2, proto 2 no coresponding listening socket" I'm using SER 0.8.14, thanks all in advance. _________________________________________________________________ Powerful Parental Controls Let your child discover the best the Internet has to offer. http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI=1034&SU=ht… Start enjoying all the benefits of MSN® Premium right now and get the first two months FREE*.

18 years, 9 months

[Serusers] Multiple Invites

by ser list

Hi, I am new to Ser, and hence I need some help on the following: 1. Someone makes a PSTN call and my cisco router forwards the call to my SER sip server. By default, my router will forward it to an account on SER, such as 1000. 2. Upon receiving the request, SER should make ALL registered phones in the same domain ring. When someone picks up the phone, other phones should stop ringing. I am able to implement point 1, but how can I make all phones ring at the same instance? I am thinking of doing something like the following for INVITES : if(uri =~"sip:1002@serproxy.com"){ rewriteuri("sip:1003@serproxy.com"); forward(uri:host, uri:port); rewriteuri("sip:1004@serproxy.com"); forward(uri:host, uri:port); } Can someone pls advise me on the best approach? Regards, zan

18 years, 9 months

[Serusers] ser.cfg for proxy and registrar

by Simon HEBBO

Hi all, I am trying to install SER with mysql on a debian distribution. The installation went very good. But I am not able to configure it to work as registrar and proxy in the same time. Ser will serve a private network without any connection to the internet because i need to test some security issues on SIP. I think with a good ser.cfg file it will works. So if anyone have a ser.cfg file that enable ser to work as a proxy and registrar in the same time on a private lan, and could send it to me i will be very thankfull. Thank you all, Simon HEBBO

18 years, 9 months

Re: [Serusers] UAs and SER behind NAT

by Ladislav Andel

Actaully, at the end I changed it in the source code nathelper.c and recompiled it and it works fine for me. I will look at your solution too.. Thank you, Lada Michal Matyska wrote: > I have done a little test and have found, that we have to update the doc; > the description of the tests is in opposite way... > - nat_uac_test("1") tests for private IP in contact header > - nat_uac_test("2") tests for mismatch of via IP/port and real IP/port > > Sorry for confusing. If you are getting true for the nated clients even for > nat_uac_test("2"), try to put force_rport() into your script before the > nat_uac_test... > > Michal > > On Sun, Dec 04, 2005 at 10:15:01AM +0100, Ladislav Andel wrote: > >> Thank you for your reply but nat_uac_test("1") will test src_ip >> against RFC1918 addresses anyway. >> I have tried and even seen it in nathelper.c . >> >> Ladislav >> >> > > >

18 years, 9 months

[Users] Features support cfg file ?

by Norman Brandinger

Hi Paul, I've placed an example implementation online at the following location: http://openser.org/dokuwiki/doku.php?id=avp_examples Hope it helps. Regards, Norm

18 years, 9 months

[Serusers] Announcement: New FTP Server with SIP related software

by Jan Janak

Hello, We have a new FTP server containing the collection of your favorite SIP and RTP related software. The FTP server is reachable either using FTP at ftp://ftp.iptel.org (use anonymous username and your email address as password), or through the web interface at http://ftp.iptel.org ftp.iptel.org is a public FTP server dedicated to freely available SIP (Session Initiation Protocol, RFC3261) based software. Here you can find everything that you will need to implement robust and highly scalable SIP based server systems. Among others, this archive contains: * SIP Express Router (SER) * RTP proxy server for NAT traversal (RTPProxy) * Web based administration interface (SERWeb) * SIMPLE based instant messaging and presence server with support for XCAP * voicemail and announcement server (SEMS) We also keep a local copy of IETF RFCs and Internet drafts. Should you have any problems, requests, or suggestions for improvements, do not hesitate to contact us by e-mail at <ftpmaster(a)iptel.org>. The contents of the FTP server will be updated and expanded regularly, it is not limited to iptel.org or SER related software. Jan.

18 years, 9 months

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sr-users December 2005