sr-users February 2005

sr-users@lists.kamailio.org

215 participants
467 discussions

RE: [Serusers] SER stops responding
by Matt Schulte 18 Feb '05

18 Feb '05

I've had this problem too, especially running syslog debug or external processes. what ver of ser are you running? We had to ditch a lot of our external processes because I assumed they took too long to run, no one on the list was any help so I just gave up. Not being a coder is very frustrating.. -----Original Message----- From: AJ Grinnell [mailto:ajgrinnell@gmail.com] Sent: Friday, February 18, 2005 8:44 AM To: serusers(a)lists.iptel.org Subject: [Serusers] SER stops responding I am having a strange problem with 0.9.0. At random times, SER will just stop responding. I run ethereal, and can see INVITEs, REGISTERs and OPTIONs requests, but SER does not respond to any of them. The process does not die, and moni tells me that SER is still running, just no respones. Sometimes SER will recover after a few minutes, most of the time it doesnt. Any ideas? _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

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[Serusers] SER stops responding
by AJ Grinnell 18 Feb '05

18 Feb '05

I am having a strange problem with 0.9.0. At random times, SER will just stop responding. I run ethereal, and can see INVITEs, REGISTERs and OPTIONs requests, but SER does not respond to any of them. The process does not die, and moni tells me that SER is still running, just no respones. Sometimes SER will recover after a few minutes, most of the time it doesnt. Any ideas?

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Re: [Serusers] How to authorize sip proxies
by Pavel Siderov - Hostmates 18 Feb '05

18 Feb '05

I'm using proxy_authorize function but something goes wrong because I check also whether user is in defined group to make calls. In other words if sip proxy w/ ip 12.34.56.78 forwards traffic to sip proxy w/ ip 10.10.10.10 and user:1234@12.34.56.78 doesnt exsist in 10.10.10.10 group table it's call is rejected. Thanks, Pavel ----- Original Message ----- From: Pavel Siderov - Hostmates To: serusers(a)lists.iptel.org Sent: Friday, February 18, 2005 11:23 AM Subject: [Serusers] How to authorize sip proxies Hi there, Can you help me how to stop other sip proxies to forward calls to my ser and how to authorize some of them to forward calls to me. Thanks and regards, Pavel Siderov ------------------------------------------------------------------------------ _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

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[Serusers] ser-0.814 & rtpproxy stability
by support 18 Feb '05

18 Feb '05

Hi everyone, It seems that ser-0.8.14 will become "dead" after running for a few days. I am using rtpproxy and nathelper with ser. After I restarted ser and rtpproxy, everything becomes fine again. Would this problem be caused by ser-0.814 or rtpproxy? I don't know ser-0.814 or rtpproxy will be stable or not. Have you encountered such problem? Also, is ser-0.9 more stable than ser-0.8.14? Best Regards, Thomas

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[Serusers] Authentication digest
by Raÿfffffffffffal Cumplido 18 Feb '05

18 Feb '05

Hi, I'm trying to register my sip application to the SER Register using MD5 authentication but I don't know what parameters I had to concatenate to make the response, and how to cancatenate it. If someone can help me. Thanks. I have readed something about the MD5 of (username+password+nonce+method+uri), but concatenated with a point? Is my first time with the authentication ... :P Raúl ______________________________________________ Renovamos el Correo Yahoo!: ¡250 MB GRATIS! Nuevos servicios, más seguridad http://correo.yahoo.es

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[Serusers] SER NAT problems
by sad sack 18 Feb '05

18 Feb '05

I have SER and one Cisco 7960 phone in public network. One cisco 7960 in a private network behind NAT. I have configured SER with nathelper and rtpproxy (both are downloaded via CVS). Call from public to private network works fine. But when I call from private to public network, then phone rings fine, but there is no audio. I'm wondering how can I get both ways to work ? I have just one ser-server, do I have to two servers, which one is proxy and another is used as outbound proxy. __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com

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[Serusers] Call forwarding on SER
by Ritesh Jalan 18 Feb '05

18 Feb '05

How to configure call forwarding on SER?? Thanks & Regards Ritesh Jalan

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[Serusers] How to authorize sip proxies
by Pavel Siderov - Hostmates 18 Feb '05

18 Feb '05

Hi there, Can you help me how to stop other sip proxies to forward calls to my ser and how to authorize some of them to forward calls to me. Thanks and regards, Pavel Siderov

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[Serusers] Questions about avp_db_load() at avpops module
by Charles Wang 18 Feb '05

18 Feb '05

Dear ALL: I have defined these lines at my ser.cfg. modparam("avpops", "avp_url", "mysql://ser:heslo@localhost/ser") modparam("avpops", "avp_table", "usr_preferences") modparam("avpops", "uuid_column", "uuid") modparam("avpops", "username_column", "username") modparam("avpops", "domain_column", "domain") modparam("avpops", "attribute_column", "attribute") modparam("avpops", "value_column", "value") modparam("avpops", "type_column", "type") modparam("avpops", "avp_aliases", "voicemail=i:500;calltype=i:700;fwd_no_answer_type=i:701;fwd_busy_type=i:702") Q1: But I don't know what it mean about 700 or 701. Is it a numeric ID of one UA? And I have refered to http://www.voice-system.ro/docs/avpops And find many examples in it. But I still can't understand what it mean about avp_db_load(). my avp table is named as "usr_preferences" and it is empty before I use avpops modules. Q2: Is it should have some initilized records in it? Otherwise, what will be loaded with avp_db_load()? For this web page said: avp_db_load("$ruri/domain","i:/domain_preferences"); - loads all AVPs with ID from 'domain_preferences' table for domain from RURI Q3: Is "$ruri" the caller user's URI? and the "domain" is the same? Is "domain_preferences" table name? Is it equal to my "usr_preferences"? Or it is just a virtual table in memory? Thank you for your answer my stupid questions. Charles

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[Serusers] nathelper ERROR: extract_mediaip: no `c=' in SDP
by Charles Wang 18 Feb '05

18 Feb '05

Thanks Marian's help and answer. I can make a call from domainA to domainB via PDT module. But I got another error message from nathelper or rtpproxy. It is "ERROR: extract_mediaip: no `c=' in SDP" from /var/log/messages. I also find this message at source code of nathelper. So I think it should happen from this module. It seems voice channel can't pass throught it. I make a call from UA_A ( under NAT ) from domainA and using PDT to redirect to UA_B via domainB. UA_B has ring and it can answer. I can hear the UA_A's sound from UA_B. The sound of UA_B is failed to UA_A. UA_A(NAT) ==> domainA(PDT) ==> domainB(nathelper+rptproxy) ==> UA_B(NAT) SOUND_A ==========================================> UA_B UA_A <===== XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX === SOUND_B Do I put the prefix2domain() in a wrong place?? Or Is it a bug ofi nathelper & rtpproxy? And my ser.cfg as below: Best Regard. Charles # # $Id: ser.cfg,v 1.25 2004/11/30 16:28:24 andrei Exp $ # # simple quick-start config script # # ----------- global configuration parameters ------------------------ debug=8 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=no # (cmd line: -E) /* Uncomment these lines to enter debugging mode fork=no log_stderror=yes */ listen=xxx.xxx.xxx.xxx alias=ser.xxx.net alias=ser alias=xxx.xxx.xxx.xxx check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 children=4 fifo_mode=0666 fifo="/tmp/ser_fifo" fifo_db_url="mysql://ser:heslo@localhost/ser" # ------------------ module loading ---------------------------------- # Uncomment this if you want to use SQL database loadmodule "/usr/local/lib/ser/modules/mysql.so" loadmodule "/usr/local/lib/ser/modules/sl.so" loadmodule "/usr/local/lib/ser/modules/tm.so" loadmodule "/usr/local/lib/ser/modules/rr.so" loadmodule "/usr/local/lib/ser/modules/maxfwd.so" loadmodule "/usr/local/lib/ser/modules/usrloc.so" loadmodule "/usr/local/lib/ser/modules/registrar.so" loadmodule "/usr/local/lib/ser/modules/textops.so" # Uncomment this if you want digest authentication # mysql.so must be loaded ! loadmodule "/usr/local/lib/ser/modules/auth.so" loadmodule "/usr/local/lib/ser/modules/auth_db.so" # !! Nathelper loadmodule "/usr/local/lib/ser/modules/nathelper.so" loadmodule "/usr/local/lib/ser/modules/exec.so" loadmodule "/usr/local/lib/ser/modules/avpops.so" loadmodule "/usr/local/lib/ser/modules/domain.so" loadmodule "/usr/local/lib/ser/modules/group.so" loadmodule "/usr/local/lib/ser/modules/uri.so" loadmodule "/usr/local/lib/ser/modules/uri_db.so" loadmodule "/usr/local/lib/ser/modules/permissions.so" loadmodule "/usr/local/lib/ser/modules/speeddial.so" loadmodule "/usr/local/lib/ser/modules/acc.so" loadmodule "/usr/local/lib/ser/modules/pdt.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) modparam("usrloc", "db_mode", 1) # -- 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) # -- nathelper params -- modparam("registrar", "nat_flag", 6) modparam("nathelper", "natping_interval", 30) # Ping interval 30 s modparam("nathelper", "ping_nated_only", 1) # Ping only clients behind NAT # -- db_url params -- modparam("acc|auth_db|domain|group|permissions|speeddial|uri_db|usrloc|pdt", "db_url", "mysql://ser:heslo@localhost/ser") # -- use_domain params -- modparam("auth_db|group|registrar|speeddial|uri_db|usrloc", "use_domain", 0) # -- permissions params -- modparam("permissions", "db_mode", 1) modparam("permissions", "trusted_table", "trusted") # -- accounting params -- modparam("acc", "db_flag", 1) modparam("acc", "db_missed_flag", 1) modparam("acc", "log_fmt", "cdfimorstup") modparam("acc", "log_level", 1) modparam("acc", "failed_transactions", 1) modparam("acc", "report_cancels", 1) modparam("acc", "report_ack", 0) # -- domain params -- modparam("domain", "db_mode", 1) # -- avp params -- modparam("avpops", "avp_url", "mysql://ser:heslo@localhost/ser") modparam("avpops", "avp_table", "usr_preferences") #modparam("avpops", "use_domain", "1") modparam("avpops", "uuid_column", "uuid") modparam("avpops", "username_column", "username") modparam("avpops", "domain_column", "domain") modparam("avpops", "attribute_column", "attribute") modparam("avpops", "value_column", "value") modparam("avpops", "type_column", "type") modparam("avpops", "avp_aliases", "voicemail=i:500;calltype=i:700;fwd_no_answer_type=i:701;fwd_busy_type=i:702") # To use more than one tables example #modparam("avpops", "db_scheme", "scheme1:table=subscriber;uuid_column=uuid;value_column=first_name") # -- tm params -- modparam("tm", "fr_timer", 15) modparam("tm", "fr_inv_timer", 22) modparam("tm", "wt_timer", 5) modparam("tm", "fr_inv_timer_avp", "inv_timeout") # -- pft params -- modparam("pdt", "db_table", "prefix_domain") modparam("pdt", "prefix", "") #modparam("pdt", "start_range", 2000) #modparam("pdt", "terminator", 0) modparam("pdt", "hsize_2pow", 2) modparam("pdt", "sync_time", 300) modparam("pdt", "clean_time", 600) # ------------------------- request routing logic ------------------- # main routing logic route{ # 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"); break; }; if (msg:len >= max_len ) { sl_send_reply("513", "Message too big"); break; }; if (method=="INVITE" || method=="BYE") { setflag(1); }; # !! Nathelper # Special handling for NATed clients; first, NAT test is # executed: it looks for via!=received and RFC1918 addresses # in Contact (may fail if line-folding is used); also, # the received test should, if completed, should check all # vias for rpesence of received if (nat_uac_test("3")) { # Allow RR-ed requests, as these may indicate that # a NAT-enabled proxy takes care of it; unless it is # a REGISTER if (method == "REGISTER" || ! search("^Record-Route:")) { log("SER: Someone trying to register from private IP, rewriting\n"); # This will work only for user agents that support symmetric # communication. We tested quite many of them and majority is # smart enough to be symmetric. In some phones it takes a configuration # option. With Cisco 7960, it is called NAT_Enable=Yes, with kphone it is # called "symmetric media" and "symmetric signalling". fix_nated_contact(); # Rewrite contact with source IP of signalling if (method == "INVITE") { fix_nated_sdp("1"); # Add direction=active to SDP }; force_rport(); # Add rport parameter to topmost Via setflag(6); # Mark as NATed }; }; # 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); break; }; prefix2domain(); if (!uri==myself) { # mark routing logic in request append_hf("P-hint: outbound\r\n"); route(1); break; }; # 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("ser.xxx.net", "subscriber")) { www_challenge("ser.xxx.net", "0"); break; }; save("location"); break; }; - lookup("aliases"); if (!uri==myself) { append_hf("P-hint: outbound alias\r\n"); route(1); break; }; # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); break; }; }; append_hf("P-hint: usrloc applied\r\n"); route(1); } route[1] { # !! Nathelper if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)" && !search("^Route:")){ sl_send_reply("479", "We don't forward to private IP addresses"); break; }; # if client or server know to be behind a NAT, enable relay if (isflagset(6)) { force_rtp_proxy(); }; # NAT processing of replies; apply to all transactions (for example, # re-INVITEs from public to private UA are hard to identify as # NATed at the moment of request processing); look at replies t_on_reply("1"); # send it out now; use stateful forwarding as it works reliably # even for UDP2TCP if (!t_relay()) { sl_reply_error(); }; } On Thu, 17 Feb 2005 12:49:10 +0100, Marian Dumitru <marian.dumitru(a)voice-sistem.ro> wrote: > Hi Charles, > > You have to use interdomain prefixes. Set on domainA a prefix for > recognizing dialed numbers in domainB. > The logic is like: > PrefixToB+numberInB@domainA -> numberinB@domainB > > you can do this directly from script or by using PDT module. > > Best regards, > Marian

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sr-users February 2005