sr-users October 2006

sr-users@lists.kamailio.org

189 participants
346 discussions

Re: [Users] Difference between Alias and Listen
by Mark Kent 19 Oct '06

19 Oct '06

>> Thus, openser internally has a list of aliases it is responsible of. >> This list includes: >> [snip] >> - all the domain names found out by reverse lookups of the listening IPs I see that Richard Bennett had discovered that as he earlier typed: == it seems something was trying to look-up the aliases == that that server itself was listening on where he likely meant IP addresses and not aliases. I have to say that this is a big mistake. Doing the lookups is a bad idea and basing any sort of operational aspects of openser on the domains culled from such reverse lookups is even worse. The list of supported domains should be purely under the explicit configuration control of the person running the openser box... either with explicit "alias" statements, or with the use of the "domain" module. I could support this claim with a lengthy, experience supported, argument. But I'll save time with just this: 70.22.4.4.in-addr.arpa name = wbar1.sjo1-4-4-022-070.sjo1.dsl-verizon.net. -mark

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Re: [Users] OpenSER not working after running for several days
by Mark Kent 19 Oct '06

19 Oct '06

The two messages I read with the above subject seem to overlook some important concepts: a) Like many many servers, openser is a high-level application. It depends on a complicated under-world of services and protocols. The operation of it depends on many external elements, all of which should be in good working order. b) DNS resource records (RR) have time-to-live (TTL) attributes. Any application may cache RR up to the length of time specified by the TTL. When you restart something, you typically blow away the cache and start over. In general, most applications do not cache general name lookups, since that is a lower-level function. However, an application caching the hostname it's on and/or IP addresses to bind to is standard practice. >> I have come to realise that it seems as though once loaded into memory >> and running, openser "caches" the config file and also does not appear >> to re-check for changes in network conditions Yes, isn't that great! It shouldn't check until either told to by a human or when the underlying protocol indicates that it is time for a refresh (like a DNS TTL expiring). Regarding this: > I had to lock-down the network card to 10mbit full-duplex. It was > autoselecting 100mbit half-duplex. > Hope that helps someone... sometime... Autoselecting 100/half probably means that the link auto-negotiation failed, as that is the default. It might fail because the other side was nailed down, perhaps to 10/full. That seems like an unlikely choice... but one reason why it might be nailed at 10mbits is because someone before you couldn't get it to run well at 100mbits and discovered that setting it to 10 was a "solution." If that was the case, I'ld guess that the cable between the switch and the server is lengthy and that it was not tied down in the prescribed order (wO, O, wG, Bl, wBl, G, wBr, Br) [or swap O and G]. I apologize if this email comes across as a little snooty. This is my first email of the day and I often have trouble phrasing things in a nice way prior to my coffee kicking in. -mark

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RE: FW: [Users] OpenSER config help to talk to PSTN..
by Nick De Cristofaro 19 Oct '06

19 Oct '06

I know, but I want it like this. It is supposed to talk to a remote mysql server. As configured in openserctlrc file. But after doing some fiddling around I noticed this error actually occurs because of a misconfiguration in the config file itself because if I use the default openser config file it works fine and uses the remote sql server, there isn't anything I can find in my other config file that would tell it to use the local one instead of a remote one though. Nick -----Original Message----- From: Bogdan-Andrei Iancu [mailto:bogdan@voice-system.ro] Sent: October 19, 2006 5:08 PM To: Nick De Cristofaro Cc: users(a)openser.org Subject: Re: FW: [Users] OpenSER config help to talk to PSTN.. maybe there is no local mysql server on your machine...... regards, bogdan Nick De Cristofaro wrote: > Found the issue now, it was an original problem I had but I'm not sure > how it went away in the first place. There is a problem with the mysql > connection, which is located on another server. > > If I attempt to just run the mysql client manually it still does not > work.. > > ERROR 2002 (HY000): Can't connect to local MySQL server through socket > '/tmp/mysql.sock' (2) > > seen this error a million times on google but couldn't really find any > fixes that worked for me? This error occured earlier on when I first > configured openser but It went away and I'm not sure how it happened. > > I rebooted the machine and i'm guessing this started again due to it > > Thanks > Nick >

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[Users] Media proxy daemon and sems problem. RTPProxy also concerned ?
by Christophe Irles 19 Oct '06

19 Oct '06

Hi, According the RFC, it's possible to send a INVITE without any SDP. In this case, the ACK contains the SDP after the 200 OK (with SDP) send by the callee. In this situation, the RTP/RTCP is not dealed correclty by the media proxy and sems i.e impossible to have the audio. Do you think this situation is possible ? The RFC can expose some case never used for example. Do you know if the RTPProxy daemon is also concerned by this problem ? Thanks, Christophe

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FW: [Users] OpenSER config help to talk to PSTN..
by Nick De Cristofaro 19 Oct '06

19 Oct '06

below is my config file i modified it a bit.. still pretty basic. trying to get basic connectivity to a PSTN gateway. I modified an example file. errors I get are: bash-3.00# openser -c 0(6841) parse error (98,21-28): parse error 0(6841) parse error (98,29-30): bad arguments 0(6841) parse error (121,33-36): parse error 0(6841) parse error (121,51-52): bad forwardargument 0(6841) parse error (139,55-56): unknown command, missing loadmodule? 0(6841) parse error (145,55-56): unknown command, missing loadmodule? 0(6841) parse error (151,55-56): unknown command, missing loadmodule? 0(6841) parse error (163,10-11): parse error 0(6841) parse error (163,10-11): ERROR: bad config file (9 errors) # # $Id: openser.cfg,v 1.6.2.1 2006/07/17 15:51:03 klaus_darilion Exp $ # # simple quick-start config script # # ----------- global configuration parameters ------------------------ debug=3 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=no # (cmd line: -E) alias=ip /* Uncomment these lines to enter debugging mode fork=no log_stderror=yes */ check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 children=4 fifo="/tmp/openser_fifo" # # uncomment the following lines for TLS support #disable_tls = 0 #listen = tls:your_IP:5061 #tls_verify_server = 1 #tls_verify_client = 1 #tls_require_client_certificate = 0 #tls_method = TLSv1 #tls_certificate = "/usr/local/etc/openser/tls/user/user-cert.pem" #tls_private_key = "/usr/local/etc/openser/tls/user/user-privkey.pem" #tls_ca_list = "/usr/local/etc/openser/tls/user/user-calist.pem" # ------------------ module loading ---------------------------------- # Uncomment this if you want to use SQL database loadmodule "/usr/local/lib/openser/modules/mysql.so" loadmodule "/usr/local/lib/openser/modules/sl.so" loadmodule "/usr/local/lib/openser/modules/tm.so" loadmodule "/usr/local/lib/openser/modules/rr.so" loadmodule "/usr/local/lib/openser/modules/maxfwd.so" loadmodule "/usr/local/lib/openser/modules/usrloc.so" loadmodule "/usr/local/lib/openser/modules/registrar.so" loadmodule "/usr/local/lib/openser/modules/textops.so" # Uncomment this if you want digest authentication # mysql.so must be loaded ! #loadmodule "/usr/local/lib/openser/modules/auth.so" #loadmodule "/usr/local/lib/openser/modules/auth_db.so" # ------------------ logs ------------------------------------------- log_facility=LOG_LOCAL7 #Add the xlog module: loadmodule "/usr/local/lib/openser/modules/xlog.so" # ----------------- setting module-specific parameters --------------- # -- usrloc params -- modparam("usrloc", "db_mode", 0) # Uncomment this if you want to use SQL database # for persistent storage and comment the previous line #modparam("usrloc", "db_mode", 2) # -- auth params -- # Uncomment if you are using auth module # #modparam("auth_db", "calculate_ha1", yes) # # If you set "calculate_ha1" parameter to yes (which true in this config), # uncomment also the following parameter) # #modparam("auth_db", "password_column", "password") # -- rr params -- # add value to ;lr param to make some broken UAs happy modparam("rr", "enable_full_lr", 1) # ------------------------- request routing logic ------------------- # main routing logic route{ /* ********* ROUTINE CHECKS ********************************** */ # filter too old messages if (!mf_process_maxfwd_header("10")) { log("LOG: Too many hops\n"); sl_send_reply("483","Too Many Hops"); return; }; if (len_gt( max_len )) { sl_send_reply("513", "Wow -- Message too large"); return; }; /* ********* RR ********************************** */ /* grant Route routing if route headers present */ if (loose_route()) { t_relay(); return; }; /* record-route INVITEs -- all subsequent requests must visit us */ if (method=="INVITE") { record_route(); }; # now check if it really is a PSTN destination which should be handled # by our gateway; if not, and the request is an invitation, drop it -- # we cannot terminate it in PSTN; relay non-INVITE requests -- it may # be for example BYEs sent by gateway to call originator if (!uri=~"sip:\+?[0-9]+@.*") { if (method=="INVITE") { sl_send_reply("403", "Call cannot be served here"); } else { forward(uri:host, uri:port); }; return; }; # account completed transactions via syslog setflag(1); # authorize only for INVITEs -- RR/Contact may result in weird # things showing up in d-uri that would return our logic; our # major concern is INVITE which causes PSTN costs if (method=="INVITE") { # does the authenticated user have a permission for local # calls (destinations beginning with a single zero)? # (i.e., is he in the "local" group?) if (uri=~"sip:0[1-9][0-9]+@.*") { if (!is_user_in("credentials", "local")) { sl_send_reply("403", "No permission for local calls"); return; }; # the same for long-distance (destinations begin with two zeros") } else if (uri=~"sip:00[1-9][0-9]+@.*") { if (!is_user_in("credentials", "ld")) { sl_send_reply("403", " no permission for LD "); return; }; # the same for international calls (three zeros) } else if (uri=~"sip:000[1-9][0-9]+@.*") { if (!is_user_in("credentials", "int")) { sl_send_reply("403", "International permissions needed"); return; }; # everything else ( e.g., interplanetary calls) is denied } else { sl_send_reply("403", "Forbidden"); return; }; }; # INVITE to authorized PSTN }; # authorized PSTN # if you have passed through all the checks, let your call go to GW! rewritehostport("ip:5060"); # forward the request now if (!t_relay()) { sl_reply_error(); return; }; } bash-3.00#

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[Users] "invalid cseq for aor"
by Natambu Obleton 19 Oct '06

19 Oct '06

I read in the recent archives and I say some talk on this, but then I found this. [Devel] [ openser-Bugs-1493632 ] ERROR:registry:update_contacts: invalid cseq for aor http://lnk4.us/PeLQ I got the newest version out of CVS and my polycomm phone still has this problem. 0(25130) ERROR:registrar:update_contacts: invalid cseq for aor <2012033002> Natambu Obleton Network Engineer FastTrack Communications nobleton(a)fasttrackcomm.net (970) 247-3366 office (970) 247-2426 fax

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Re: [Serusers] rfc 3262 support
by Jiri Kuthan 19 Oct '06

19 Oct '06

At 07:40 19/10/2006, Kamal.Mann(a)t-systems.com wrote: >Hi All >Do SER supports 'rfc 3262 Reliability of Provisional Responses in SIP'? Of course. (SER supports all end-device features it doesn't care of, including INFO, video, gaming, colorful displays, etc.) >Is there any list of standards supported by SER available?? RFC3261, 3263,3265,3325,RFC4028,3581,3428,3903. some of those are implemented as a scripting feature. + possibly parts of some additiional ones. -jiri

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[Users] Via: ...;received=...;rport=... processing
by Jeremie Le Hen 19 Oct '06

19 Oct '06

Hi list, I checked the OpenSER core cookbook, but I am unsure how to handle the "received" and "rport" parameters in the "Via" header. Is it used automatically ? For now, I am using the registrar module to save the location, but I think I can get rid of it and simply use the above parameters. Thank you. Regards, -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >

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[Users] OpenSER not working after running for several days
by Papadopoulos Georgios 19 Oct '06

19 Oct '06

Hello, We have been using OpenSER for almost a year in a production system. So far the only problem is that sometimes it stops processing the requests. It does not happen very frequently, maybe every 10-15 days, sometimes it is more, sometimes it is less. When it happens, the process is still running, I can see it when I do "ps". Also netstat shows that it is listening on port 5060. So everything looks normal, except that OpenSER does not seem to process the requests. I use ngrep and I see that there isn't a single packet being sent out. At that point the only thing that cures the problem is to kill the process and start it again. A couple of weeks ago, in an effort to solve the problem I upgraded from 1.0 to 1.1. It ran fine for several days but eventually the same thing happened. I have no idea what to check for. Has anyone else seen this problem? Is there anything I can do to figure this out? The only solution that I can think of is to have OpenSER restarted every 24 hour or so. But I really do not want to end up there. Thank you for any help George Disclaimer The information in this e-mail and any attachments is confidential. It is intended solely for the attention and use of the named addressee(s). If you are not the intended recipient, or person responsible for delivering this information to the intended recipient, please notify the sender immediately. Unless you are the intended recipient or his/her representative you are not authorized to, and must not, read, copy, distribute, use or retain this message or any part of it. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.

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[Users] How to configure acc modue
by Madhusudan.Jarhad＠lntinfotech.com 19 Oct '06

19 Oct '06

Dear All, Here is very basic question from me. I have installed openser 1.1.0. I want to record the CDR / Accounts of calles and messages being processed. I have acc module in my opense.cfg and parameter setting is as follows # ----------------- SETTING MODULE-SPECIFIC PARAMETERS --------------- ## - - - - - - - - - - XLOG PARAMETERS - - - - - - - - - - - - - - - modparam("xlog", "force_color", 0) # - - - - - - - - - USRLOC PARAMS - - - - - - - - - - - - - - - - - - #modparam("usrloc", "db_mode", 1) # Uncomment this if you want to use SQL database # for persistent storage and comment the previous line modparam("usrloc", "db_mode", 2) modparam("usrloc", "db_url", "mysql://openser:openserrw@localhost/openser") # - - - - - - AUTH PARAMS - - - - - - - - - - - - # Uncomment if you are using auth module # modparam("auth_db", "calculate_ha1", yes) # # If you set "calculate_ha1" parameter to yes (which true in this config), # uncomment also the following parameter) # modparam("auth_db", "password_column", "password") #modparam("alias_db", "user_column", "username") modparam("auth_db", "password_column", "password") ## - - - - - AUTH RADIUS - - - - - #modparam("auth_radius", "radius_config", "/usr/local/etc/radiusclient-ng/radiusclient.conf") #modparam("auth_radius", "service_type", 15) ## - - - - - RR MODULE PARAMETERS - - - - - # add value to ;lr param to make some broken UAs happy modparam("rr", "enable_full_lr", 1) modparam("rr", "append_fromtag", 1) modparam("rr", "enable_double_rr", 1) modparam("rr", "add_username", 1) ## - - - - - ACCOUNTING PARAMETERS - - - - - - - - modparam("acc", "detect_direction", 1) modparam("acc", "failed_transaction_flag", 1) modparam("acc", "report_cancels",1) modparam("acc", "report_ack", 1) modparam("acc", "early_media", 1) modparam("acc", "detect_direction", 1) modparam("acc", "report_cancels", 1) modparam("acc", "log_level", 1) modparam("acc", "log_flag", 1) modparam("acc", "log_missed_flag", 1) #modparam("acc", "log_extra", "ua=$hdr(User-Agent);uuid=$avp(i:123)") modparam("acc", "service_type", 15) # user 16 to set to Radius modparam("acc", "db_flag", 2) modparam("acc", "db_missed_flag", 3) modparam("acc", "db_url", "mysql://openser:openserrw@localhost/openser") modparam("acc", "db_table_acc", "acc") modparam("acc", "db_table_missed_calls", "missed_calls") modparam("acc", "db_missed_flag", 3) modparam("acc", "acc_sip_method_column", "sip_method") modparam("acc", "acc_from_uri_column", "from_uri") modparam("acc", "acc_fromtag_column", "fromtag") modparam("acc", "acc_to_uri_column", "to_uri") modparam("acc", "acc_totag_column", "totag") #modparam("acc", "acc_cseqno_column", "cseq_no") modparam("acc", "acc_sip_callid_column", "sip_callid") modparam("acc", "acc_time_column", "time") # for mysql-based accouting, use the names of the columns # for RADIUS-based accouting, use the names of the RADIUS AVPs #modparam("acc", "multi_leg_info","RAD_LEG_SRC=$avp(src);RAD_LEG_SRC=$avp(dst)") #modparam("acc", "multi_leg_info","leg_src=$avp(src);leg_dst=$avp(dst)") #modparam("avpops", "avp_aliases", "uuid=I:50") modparam("acc", "radius_config", "/usr/local/etc/radiusclient-ng/radiusclient.conf") #modparam("acc", "radius_config", "/etc/openser/radius/client.conf") #modparam("acc", "radius_flag", 2) #modparam("acc", "diameter_missed_flag", 3) #modparam("acc", "radius_extra", "Sip-RPid=$avp(s:rpid) Source-IP=$si; Source-Port=$sp" # Canonical-URI=$avp($can_uri); \ # Billing-Party=$avp($billing_party); \ # Divert-Reason=$avp(s:divert_reason); \ # X-RTP-Stat=$avp(s:rtp_statistics); \ # From-Header=$hdr(from); \ # User-Agent=$hdr(user-agent); \ # Contact=$hdr(contact); \ # Event=$hdr(event)") ## - - - - - - JABBER SERVER CONFIGURATION - - - - - - - - - modparam("jabber", "jdomain", "jabber.sipserver.com=*") modparam("jabber", "db_url", "mysql://openser:openserrw@localhost/openser") modparam("jabber", "jdomain", "sipx.vshodc.lntinfotech.com") ## - - - - - - - - - - - SIPTRACE MODULES PARAMETERS - - - - - - - - - modparam("siptrace", "trace_flag", 0) modparam("siptrace", "db_url", "mysql://openser:openserrw@localhost/openser") modparam("siptrace", "trace_on", 1) modparam("siptrace", "table", "sip_trace") modparam("siptrace", "duplicate_uri", "sip:172.17.85.51:5888") # ------------------------- request routing logic ------------------- # main routing logic route{ ## ADDED BY MADHUSUDAN # avp_write("caller_id", $avp(name); #"$uuid"); # avp_printf("i:20", "$avp($uuid): $fu"); # xdbg("$Cbgi:20$Cxx [$avp(i:20)] $Cbrcseq$Cxx=[$hdr(cseq)]\n"); # setflag(1); /* set for accounting (the same value as in log_flag!)*/ # t_relay(); /* enter stateful mode now */ ## sip_trace(); # xlog("L_ERR", "time [$Tf] method <$rm> r-uri <$ru> 2nd via <$hdr(via[1])>\n"); # setflag(1); /* set for accounting (the same value as in log_flag!)*/ # t_relay(); /* enter stateful mode now */ # if (t_newtran()) { # log("UAS logic"); # t_reply("999","hello"); # } else sl_reply_error(); ################ if (t_local_replied("all")) { log ("no reply received\n"); } # initial sanity checks -- messages with # max_forwards==0, or excessively long requests 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; }; # we record-route all messages -- to make sure that # subsequent messages will go through our proxy; that's # particularly good if upstream and downstream entities # use different transport protocol if (!method=="REGISTER") record_route(); # subsequent messages withing a dialog should take the # path determined by record-routing if (loose_route()) { # mark routing logic in request append_hf("P-hint: rr-enforced\r\n"); route(1); }; if (!uri==myself) { # mark routing logic in request append_hf("P-hint: outbound\r\n"); # if you have some interdomain connections via TLS #if(uri=~"@tls_domain1.net") { # t_relay("tls:domain1.net"); # exit; #} else if(uri=~"@tls_domain2.net") { # t_relay("tls:domain2.net"); # exit; #} route(1); }; # if the request is for other domain use UsrLoc # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri==myself) { if (method=="REGISTER") { # Uncomment this if you want to use digest authentication #if (!www_authorize("openser.org", "subscriber")) { # www_challenge("openser.org", "0"); # exit; #}; save("location"); exit; }; lookup("aliases"); if (!uri==myself) { append_hf("P-hint: outbound alias\r\n"); route(1); }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); exit; }; append_hf("P-hint: usrloc applied\r\n"); }; route(1); } route[1] { # send it out now; use stateful forwarding as it works reliably # even for UDP2TCP if (!t_relay()) { sl_reply_error(); }; exit; } onreply_route[1] { if (t_check_status("1[0-9][0-9]")) { setflag(1); log("provisional reply received\n"); if (t_check_status("183")) drop; } if (t_was_cancelled()) { log("transaction was cancelled by UAC\n"); } } ################################################################### My need is to get the CDRs for events and volume like MESSAGES and download/file transfer respectively. Please help ______________________________________________________________________

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sr-users October 2006