sr-users April 2007

sr-users@lists.kamailio.org

177 participants
272 discussions

Re: [Users] 3xx requests and t_relay
by Bogdan-Andrei Iancu 03 Apr '07

03 Apr '07

Hi Shane, please post the network trace from the the server and the full debug log of openser (use debug=9). regards, bogdan Shane Burrell wrote: > I used that as an example. On the sip side I see the 302 come back and the > openser ack it. Then I never see the new call go out. The user gets a busy > or not avaible message from the switch. In openser I have some logging and > it seems to start a new route after the ACK but bombs somewhere. > > -----Original Message----- > From: Bogdan-Andrei Iancu [mailto:bogdan@voice-system.ro] > Sent: Wednesday, February 28, 2007 12:54 PM > To: Shane Burrell; users openser.org > Subject: Re: [Users] 3xx requests and t_relay > > Hi Shane, > > have you followed this ex: > http://www.openser.org/docs/modules/1.2.x/uac_redirect.html#AEN251 > > can you be more specific about the errors you see? > > regards, > bogdan > > Shane Burrell wrote: > >> I am calling the t_relay after getting the contacts. However internally I >> see in openser it makes it back to the route and then dies in loose route. >> I assumed there was something I need to check to allow the new call to be >> processed. >> >> -----Original Message----- >> From: Bogdan-Andrei Iancu [mailto:bogdan@voice-system.ro] >> Sent: Wednesday, February 28, 2007 12:26 PM >> To: Shane Burrell >> Cc: users(a)openser.org >> Subject: Re: [Users] 3xx requests and t_relay >> >> Hi, >> >> let me see if I get it right...you get a 3xx reply and try to generate >> INVITE to the new contacts? if so, take a look at the uac_redirect module. >> >> regards, >> bogdan >> >> Shane Burrell wrote: >> >> >>> I have this working to the point it tries to relay the call but I see >>> that internally openser is not making the new call. I assume t_relay >>> calls a new route but how to I make sure that all relays get >>> forwarded. Some of my logic else where seems to be killing the >>> rerouted call and I need any 302 routed calls to be accepted and routed. >>> >>> >>> >>> TIA, >>> >>> >>> >>> Shane >>> >>> >>> *************************************************************** >>> >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Users mailing list >>> Users(a)openser.org >>> http://openser.org/cgi-bin/mailman/listinfo/users >>> >>> >>> >> >> > > >

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[Users] TCP lifetime
by Klaus Darilion 03 Apr '07

03 Apr '07

Hi! I thought setting the tcp_connection_lifetime to 0 should keep them open endlessly, but in my case the proxy closes the TCP connection ~10 seconds after the last SIP message. What am I doing wrong? regards klaus -- Klaus Darilion nic.at

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[Users] NEW FEATURE: IP blacklists
by Bogdan-Andrei Iancu 03 Apr '07

03 Apr '07

Hi everybody, OpenSER 1.2.0 has new feature - IP Blacklist support. This is a low level filtering engine for the outgoing requests; low level, because the filtering is done based on IP, protocol, port, etc. Its primary purposes will be to prevent sending requests to critical IPs (like GWs) due DNS or to avoid sending to destinations that are known to be unavailable (temporary or permanent). Because of flexibility concerns, the filtering rules can be groups inside multiple lists. A rule: - matches based on IP/mask, proto, port and text pattern criteria - can be reversed applied A list: - can be read-only - it does not change during execution - have timeout per elements - elements expires after a configured timeout. How to use: =========== currently there are 2 ways of using the blacklists: 1) statically defining list in the configuration file and selecting which ones should be used for each request. You can define blacklists as follow: # filter out requests going to ips of my gws dst_blacklist = gw:{( tcp , 192.168.2.100 , 5060 , "" ),( any , 192.168.2.101 , 0 , "" )} # block requests going to "evil" networks dst_blacklist = net_filter:{ ( any , 192.168.1.100/255.255.255.0 , 0 , "" )} # block message requests with nasty words dst_blacklist = msg_filter:{ ( any , 192.168.20.0/255.255.255.0 , 0 , "MESSAGE*ugly_word" )} # block requests not going to a specific subnet dst_blacklist = net_filter2:{ !( any , 192.168.30.0/255.255.255.0 , 0 , "" )} a rule is defined by: protocol : TCP, UDP, TLS or "any" for anything port : number or 0 for any ip/mask test patter - is a filename like matching (see "man 3 fnmatch") applied on the outgoing request buffer (first_line+hdrs+body) From routing script, you can use the use_blacklist("name") function to select what blacklist to be applied for the current request. More than one list can be selected. If the destination address matches on of the selected rules, the send will fail. 2) via DNS The DNS resolver, when configured with failover, can automatically store in a temporary blacklist the failed destinations. This will prevent (for a limited period of time) openser to send requests to destination known as failed. So, the blacklist can be used as a memory for the DNS resolver. To use it, you have to enabled it - the rest is done automatically. disable_dns_blacklist = no By default is enabled. The temporary blacklist created by DNS resolver is named "dns" and it is by default selected for usage (no need use the use_blacklist() function. The rules from this list have a life time of 4 minutes - you can change it at compile time, from blacklists.h . To give you an internal snapshot, a new MI function - "list_blacklists" - was added to print all existent blacklists and their rules. Any suggestions/reports are welcome! regards, bogdan

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re: [Users] SIPp and registration
by yanlin 03 Apr '07

03 Apr '07

Hi, Scott Yagel, you could find some clues in the file scenario.cpp of sipp project. there were some embeded scenario scripts in sipp, stored in char* default_scenario[], you can sent a register sip message by doing this: " <send retrans=\"500\">\n" " <![CDATA[\n" "\n" " REGISTER sip:CA.cym.com SIP/2.0\n" " Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]\n" " From: ua1 <sip:ua1@nnl.cym:[local_port]>;tag=[pid]SIPpTag07[call_number]\n" " To: ua1 <sip:ua1@nnl.cym:[local_port]>\n" " Call-ID: [call_id]\n" " CSeq: 1 REGISTER\n" " Contact: sip:ua1@[local_ip]:[local_port]\n" " Content-Length: 0\n" " Expires: 300\n" "\n" " ]]>\n" " </send>\n" regards. Yan Lin

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[Users] What does this mean?
by nick 03 Apr '07

03 Apr '07

pre_auth(): Credentials with given realm not found After looking around google it seems to be based on the fact that the first sip: value doesn't contain the userid (if I understand correctly...) I can't figure out exactly why the RURI is coming in this fashion.. Should I be changing something in the clients, or my config?? These worked on an older config, now with this section, they just don't get accepted. I've tried it with and without sipserver.mobilia.it in the realm. I've also tried it with the server generating ha1 and static ha1 (from the ha1 and ha1b fields in the db), no difference. I have use domain 1 in registrar and auth_db, and strip "sipserver." sl_send_reply("100", "Trying"); if(!www_authorize("", "subscriber")) { xlog("L_INFO", "Register authentication failed - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); www_challenge("", "1"); exit; } Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: New request - M=REGISTER RURI=sip:mobilia.it F=sip:rice@mobilia.it T=sip:rice@mobilia.it IP=x.x.x.105 ID=fmq-17240(a)x.x.x.105 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: parse_headers: flags=100 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: get_hdr_field: cseq <CSeq>: <100> <REGISTER> Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: DEBUG:maxfwd:is_maxfwd_present: value = 70 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: parse_headers: flags=200 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: DEBUG: get_hdr_body : content_length=0 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: found end of header Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: find_first_route: No Route headers found Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: loose_route: There is no Route HF Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: parse_headers: flags=ffffffffffffffff Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: check_via_address(x.x.x.105, x.x.x.105, 0) Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: parse_headers: flags=4000 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: pre_auth(): Credentials with given realm not found Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: Register authentication failed - M=REGISTER RURI=sip:mobilia.it F=sip:rice@mobilia.it T=sip:rice@mobilia.it IP=x.x.x.105 ID=fmq-17240(a)x.x.x.105 Mar 29 12:07:40 sipserver /usr/local/sbin/openser[22732]: build_auth_hf(): 'WWW-Authenticate: Digest realm="mobilia.it", nonce="460b9118a6a044d8837a01f924be2a9a3b7e0271", qop="auth"^M '

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[Users] Simple xcap-emulator for OpenSER
by Adrian Georgescu 02 Apr '07

02 Apr '07

Hello, We wrote a simple xcap emulator to be able to manage the XCAP documents used by OpenSER presence agent, by using PHP scripts in combination with Apache web server. I have tested it against OpenSER with MySQL and Eyebeam for Apple. Klaus Darilion has tested it against Postgress and Eyebeam for Windows. The software can be downloaded from: http://download.dns-hosting.info/XCAP/xcap-0.5.tar.gz Regards, Adrian

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[Serusers] How to disable RTP proxy connection in nathelper module
by tzieleniewski 02 Apr '07

02 Apr '07

Hi, I am using nathelper and because I have an CISCO router in front of the SER I don't need to use RTP Proxy. Whenever I start SER I get the following errors: Apr 2 09:13:33 sen ser[3442]: ERROR: send_rtpp_command: can't connect to RTP proxy Apr 2 09:13:33 sen ser[3442]: send_rtpp_command(): proxy <unix:/var/run/rtpproxy.sock> does not responding, disable it Apr 2 09:13:33 sen ser[3442]: WARNING: rtpp_test: can't get version of the RTP proxy Apr 2 09:13:33 sen ser[3442]: WARNING: rtpp_test: support for RTP proxy <unix:/var/run/rtpproxy.sock>has been disabled temporarily Apr 2 09:13:33 sen ser[3444]: ERROR: send_rtpp_command: can't connect to RTP proxy Is there a way to disable this trials through ser.cfg by nathelper mod parameter in order not to get those errors? Cheers Tomasz

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[Users] WeSIP C2C and freeswitch
by Helmut Kuper 02 Apr '07

02 Apr '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I try to use WeSIP C2C with UACs registered to freeswitch. freeswitch never answeres the INVITEs for caller (that INVITE with no SDP and from=to=caller's sip address). So my question is, is it because freeswitch maybe doesn't support rfc 3725? If so, is there any C2C proven SIP-PBX I can use instead? Helmut -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFF7s8L4tZeNddg3dwRArGjAKCRJ+Kqi4FqdE2J9S/Q6t8L3VEVzwCgncCc G2rxVs9s3fqs+XgUXnsefRs= =RqW7 -----END PGP SIGNATURE-----

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[Users] How URI is parsed...
by Stuart Sheldon 02 Apr '07

02 Apr '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Newbe question: Can someone explain what causes a match when lookup() and does_uri_exist() is used? Does it look at the least significant characters is the URI? Does it drop certain leading numbers like '1'? Stu -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (GNU/Linux) iD8DBQFGDs0BK69Y+xPZrWYRAg5XAJ9kL3FNuImfu6wasPZ9z32uDYmoGwCfWKhW 5al96b0dhkmFNYnwBzyHmoY= =mNnn -----END PGP SIGNATURE-----

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[Users] use of AVPs in core functions
by Jens Carl 02 Apr '07

02 Apr '07

Hello List, is it possible to use AVPs in core function like rewritehost(), etc. Regards Jens

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sr-users April 2007