sr-users March 2008

sr-users@lists.kamailio.org

169 participants
237 discussions

by Pezhman Lali

Hi Dear I have a problem, with my ser 0.9.6 server, as a sip server. the following results are with grandstream 487 or 287. about 30% of customers, can install the sip phone very easy with the first configuration. about 25%, can register after changing adsl router, or sip phone's configuration, about 15%, can register with another sip phones, like linksys, or. ... and about 30% can not using sip services. is it a natural event???? do u have any idea ???? best Pezhman ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ

16 years, 8 months

[Serusers] Installing serweb

by Adeyeye O. Michael

Hi, With the recent development in PEAR Network, where XML_RPC isn't available any longer, has anyone been able to install serweb recently? I can't get XML_RPC package which is one of the requirements to get SERWEB running. Where I was able to get the raw files from PEAR but not ABLE to run "pear install XML_RPC", i can't make install and the likes. Hence, i doubt if XML_RPC will be successfully installed into my PEAR. Any help!! Mike.

16 years, 8 months

[Serusers] meet at IETF and/or VoN

by Jiri Kuthan

FYI: I'm at the IETF meeting in the week of March/10th and at VoN in the week of March/17th. Drop me a note if you would like to meet whether for some SER/SIP related discussion or just a beer chat :-) -jiri -- Jiri Kuthan http://iptel.org/~jiri/

16 years, 8 months

[Serusers] AVP/SELECT type / length in ser.cfg?

by Mike Trest - Personal

Hi, How can I reference the type and length attributes of a variable ( @set or $avp) ? ? ? ..mike..

16 years, 8 months

[OpenSER-Users] Is possible to convert 183 in 180 in "on_reply_route"?

by Iñaki Baz Castillo

Hi, in order to avoid replying with early_media I'm trying to transform a "183" with SDP into a "180". Ok, my conclusion is that I cannot do it. Textops functions seem to work just with SIP headers and body but never can modify the SIP reply code, is true? Also, I would need to delete the entire body in the 180|183 reply but functions supposed to do it don't work as expected. For example: * subst_body('/^.*//g') does NOTHING, the only way it can do somehting is by: subst_body('/^.*=.*//g') any reason for this? Thanks for any suggestion. -- Iñaki Baz Castillo ibc(a)in.ilimit.es

16 years, 8 months

[Serusers] RTCP generation

by Keyur Parikh

Hi, I am working on project involving SER, SEMS. Things works OK as configured. I am curious to know how I can generate RTCP message towards caller. Greatly appreciate the response. Thanks, Keyur Parikh

16 years, 8 months

[Serusers] How to enable RTCP reports

by Srinivas Kotamarti

Hi, I am working on a project that uses SER, SEMS and Media Proxy. I was wondering how and where to enable the RTCP reports. I could not find any useful information either in the product documentation or in the user groups. Does any of these products support generating RTCP reports? IF not how do we add the feature and where would be best place to add it? Thanks for the help. --Srinivas Kotamarti

16 years, 8 months

[OpenSER-Users] OpenSER and Security - how?!

by Max Bowsher

I've been looking at the possibility of using OpenSER as an ingress/egress gateway, mediating access between the internet at large, and a private network containing amongst other things SIP servers through which a call may be routed to provide services such as IVR and call archiving, but which should otherwise be hidden from the outside world. I'm finding two interlinked problems: (1) The internal layout of the network is revealed in Via headers - OK, so this is somewhat intrinsic in SIP, and not really OpenSER's fault, but.... (2) ... If an inbound SIP request has Route headers, loose_route() pretty much sends it whereever the requester asks. There are admonitions in the OpenSER docs about the need to secure loose_route(), but there's no information I can find on how you should do this. In particular, a simple authorization scheme is not good enough - just because someone should be allowed to place calls through the gateway, doesn't mean it should be allowed absolute control over the routing of the request, or they could use information gleaned from Via headers of previous transactions to add or bypass routing steps within the private network at will. It is possible to securely use OpenSER on a security boundary? If so, how? Max.

16 years, 8 months

[OpenSER-Users] Last occurrence of some thing...

by Daniel Cardoso Alves

Hi people... With the Textops Module is possible search for the first match of re in the body of the message and appends txt after it, ex: search_append, search_append_body... But I want append a TXT after the last occurrence of some thing... Example: after the last occurrence of .*a=rtpmap:.* Is there some way for my doubt? --------------------------------- Abra sua conta no Yahoo! Mail, o único sem limite de espaço para armazenamento!

16 years, 8 months

[OpenSER-Users] fail to authenticate INVITE messages

by antalsia＠free.fr

Hi all, I'm trying to authenticate INVITE messages with OpenSER 1.3.0 (SIP Proxy + RTPPROXY) and LDAP module. Although REGISTER authentication works well, I cannot check user authorization for INVITE messages. I'm using an openser.cfg configuration template from sipwise (see an extract below). pv_proxy_authorize() routine always returns false, even if my user is registered and authenticated through our OpenLDAP. Can you tell me what I'm doing wrong ? Many thks, --------------------------- openser.cfg --------------------------- route { ... if(is_method("REGISTER")) { route(2); } if(is_method("INVITE")) { route(4); } ... } ######################################################################## # Request route 'base-route-register' ######################################################################## route[2] { sl_send_reply("100", "Trying"); if(is_present_hf("Authorization")||is_present_hf("Proxy-Authorization")) { xlog("L_INFO", "is_present_hf Authorization or Proxy-Authorization\n"); if (!ldap_search("ldap://blabla/blabla?uid,userPassword?sub?(uid=$fU)")) { switch ($retcode) { case -1: # no LDAP entry found xlog("L_INFO", "Ldap user not found\n"); sl_send_reply("404", "User Not Found"); exit; case -2: # internal error xlog("L_INFO", "Internal server error during authentication\n"); sl_send_reply("500", "Internal server error"); exit; default: exit; } } ldap_result("uid/$avp(s:username)"); ldap_result("userPassword/$avp(s:password)"); } if(!pv_www_authorize("")) { xlog("L_INFO", "Register authentication failed - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); www_challenge("mydomain", "1"); exit; } if(!check_to()) { xlog("L_INFO", "Spoofed To-URI detected - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); sl_send_reply("403", "Spoofed To-URI Detected"); exit; } consume_credentials(); if(!search("^Contact:[ ]*\*") && nat_uac_test("19")) { fix_nated_register(); setbflag(6); } if(!save("location")) { xlog("L_ERR", "Saving contact failed - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); sl_reply_error(); exit; } xlog("L_INFO", "Registration successful - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); exit; } ######################################################################## # Request route 'base-route-invite' ######################################################################## route[4] { sl_send_reply("100", "Trying"); if(nat_uac_test("19")) { fix_nated_contact(); setbflag(6); } route(5); } ######################################################################## # Request route 'invite-find-callee' ######################################################################## route[5] { if(!is_domain_local("$rd")) { setflag(20); route(7); } if(does_uri_exist()) { xlog("L_INFO", "Callee is local - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); route(6); } else { xlog("L_INFO", "Callee is not local - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); route(7); } exit; } ######################################################################## # Request route 'invite-to-external' ######################################################################## route[7] { if(isflagset(20)) { xlog("L_INFO", "Call to foreign domain - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); if (!pv_proxy_authorize("")) { xlog("L_INFO", "TESTING : NOT AUTHENTICATED !!!!\n"); } else { xlog("L_INFO", "TESTING : AUTHENTICATED !!!!\n"); } route(3); exit; } xlog("L_INFO", "Call to unknown user - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); sl_send_reply("404", "User Not Found"); exit; } --------------------- DEBUG LOGS --------------------- eb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: DBG:core:parse_headers: flags=80 Feb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: DBG:core:parse_headers: flags=80 Feb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: Call to foreign domain - M=INVITE RURI=sip:beacon@columbia.edu F=sip:test@xxxxxxxx T=sip:beacon@co lumbia.edu IP=xxxxxxx ID=282a363f-5be5-dc11-8272-0015c56ccfaa@xxxxxx Feb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: DBG:core:parse_headers: flags=10000 Feb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: DBG:auth:pre_auth: credentials with given realm not found Feb 29 15:33:14 proxy_sip /usr/sbin/openser[5444]: TESTING : NOT AUTHENTICATED

16 years, 8 months

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sr-users March 2008