sr-users May 2004

sr-users@lists.kamailio.org

154 participants
333 discussions

[Serusers] private ip user agent with ser
by varala ramakanth 17 May '04

17 May '04

hello friends, my scenario is like this my useragent is estara softphone and in settings sipproxy,sip domain are configured to "ser" system which is in public ip the system is private ip ( windows system in lan which access internet through the dhcp) and "ser" is installed in the public ip so when this ua is trying to register through ethereal report it is observed that private ip is contacting dhcp server and it is directing that packet to the server server is acknowledge with 200 ok but to the to the dhcp ( but that dhcp server in return not connecting the private ip) so in user agent estara what i have seen is that registration error ; server could not be reached or server did not respond so please guide me how can i achieve success in this work in establishing a session between private ip and external public ip/private with siproxd in public ip please tell what configuration i may need . with regards rama kanth __________________________________ Do you Yahoo!? SBC Yahoo! - Internet access at a great low price. http://promo.yahoo.com/sbc/

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[Serusers] need help to use Zultys ZIP 4x4
by Sun Yen-Rong (Dan) 17 May '04

17 May '04

Hi All, I have set up a SIP network and is able to establish voice calls between two Xten X-Lite clients successfully. I configured the SER to force_rtp() regardless if a client is behind or not. I am conducting a test between Zultys ZIP 4x4 SIP phone and Xten X-Lite. So far I can successfully establish a call between the X-lite and the ZIP4x4. However, neither end can hear each other's voice. Can someone give me some suggestions, please? Thank you, Dan. ps: the following is my configuration file: # ----------- global configuration parameters ------------------------ # debugging mode debug=3 fork=yes log_stderror=yes check_via=no dns=no rev_dns=no port=5060 children=4 fifo="/tmp/ser_fifo" # ------------------ module loading ---------------------------------- loadmodule "/usr/local/lib/ser/modules/nathelper.so" loadmodule "/usr/local/lib/ser/modules/textops.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/registrar.so" loadmodule "/usr/local/lib/ser/modules/usrloc.so" loadmodule "/usr/local/lib/ser/modules/sl.so" loadmodule "/usr/local/lib/ser/modules/mysql.so" loadmodule "/usr/local/lib/ser/modules/auth.so" loadmodule "/usr/local/lib/ser/modules/auth_db.so" loadmodule "/usr/local/lib/ser/modules/acc.so" # ----------------- setting module-specific parameters --------------- # -- usrloc params -- modparam("usrloc", "db_mode", 1) modparam("usrloc", "db_url", "sql://ser:heslo@dhcp32.bbtranz.co.nz/ser") # -- auth params -- # Uncomment if you are using auth module # modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "db_url", "sql://ser:heslo@dhcp32.bbtranz.co.nz/ser") 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("nathelper", "natping_interval", 60) modparam("nathelper", "ping_nated_only", 1) # special NAT flag indicates that a registered client is behind NAT modparam("registrar", "nat_flag", 6) # -- acc params -- #modparam("acc", "log_level", 1) #modparam("acc", "log_flag", 1) modparam("acc", "db_url", "sql://ser:heslo@dhcp32.bbtranz.co.nz/ser") modparam("acc", "db_missed_flag", 3) modparam("acc", "db_flag", 1) # ------------------ request-routing script -------------------------- # 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; }; # compulsory processing of Route header fields and adding RR loose_route(); # Test if a SIP message was sent behind NAT -- force use of rport #if (nat_uac_test("3")) { setflag(6); # remember this is ATA force_rport(); fix_nated_contact(); #}; /* registration (uses rewritten contacts) */ if (method=="REGISTER") { if (!www_authorize("my_domain", "subscriber")) { www_challenge("my_domain", "0"); break; }; save("location"); break; }; if (method=="INVITE") { record_route(); if (isflagset(6)) { fix_nated_sdp("3"); }; /* set up reply processing */ t_on_reply("1"); }; if (method == "INVITE" || method == "CANCEL") { if (!lookup("location")) { sl_send_reply("404", "Not Found"); acc_log_request("404 Not Found"); break; }; }; if (method == "INVITE" || method == "BYE") { setflag(1); } # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP route(1); } route[1]{ # test if the current request was sent behind NAT if (isflagset(6)) { record_route(); t_on_reply("1"); if (method=="INVITE") { force_rtp_proxy(); append_hf("P-hint: request forced to rtp proxy\r\n"); }; }; if (!t_relay()) { sl_reply_error(); }; } # all incoming replies for t_onrepli-ed transactions enter here onreply_route[1] { if(isflagset(6)) { fix_nated_contact(); append_hf("P-hint: fixed NAT contact for response\r\n"); }; if ( (status=~"200" || status=~"183") ) { if(isflagset(6)) { force_rtp_proxy(); append_hf("P-hint: request forced to rtp proxy\r\n"); }; }; }

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[Serusers] Pre-paid and post-paid system
by wangji 17 May '04

17 May '04

Hi all, I know that we can use freeradius for a RADIUS server and freeside as billing system. And I know that freeside supports pre-paid card service. But I have no idea about how to use SER+ freeradius+ freeside + B2BUA to create a pre-paid and post-paid system. Is it available? Is there any other way to do that? Wangji

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[Serusers] SER RADIUS Authentication failure !!
by Fred Lee 16 May '04

16 May '04

Hi, I have successfully compiled and installed radiusclient and SER 0.8.12 with RADIUS authentication & accounting features enabled. Using the default ser.cfg file, I am able to register both ports of an ATA186 (located on same subnet as SER) and make a call from one port to another. When modifiying ser.cfg to enable RADIUS authentication and accounting (as instructed in the RADIUS howto documentation), I am getting the following error (debug mode): rc_auth (): Failure In the ser.cfg fie, I am leaving an empty string for the realm in the " radius_www_authorize" parameter. Any idea on what's missing in my ata and/or SER configuration, or what is causing the problem ??. Thanks. _________________________________________________________________ Help STOP SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail

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[Serusers] limiting expires time
by Chris Crawford 16 May '04

16 May '04

Is there an API that allows modification to an expires value in a REGISTER msg, if the client's expires time is greater than a given system limit? If so, which expires time is modified, the contact header(s) expires or the expires header? Here is an example. We have some clients registering for one week, when we want to limit registration to one day. Regards, Chris

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[Serusers] is it possible and how
by wiggler 16 May '04

16 May '04

hi all, in serctl utility, is it possible to add the firstname, lastname and phone number while adding users using serctl add command? because in serweb, users whos been added in using serctl doesn't have a name and phone. if its possible, what should i do? where part of the serctl script should i modify, thanks a lot. regards, wiggler -- www.bembang.com

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[Serusers] FW: can't locate contact in usrloc
by Raymond Chen 16 May '04

16 May '04

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[Serusers] FW: can't locate contact in usrloc
by 陈正勇 16 May '04

16 May '04

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[Serusers] can't locate contact in usrloc
by Raymond Chen 16 May '04

16 May '04

Hi, We have problem with 0.8.12 release in cvs �Cr rel_0_8_12 sip_router, we are unable to see contact online status. From debug mode, we see ��lookup() ��xxxxx�� not found in usrloc�� Here is our configuration: route { if (!mf_process_maxfwd_header("10")) { log("LOG: Too many hops\n"); sl_send_reply("483", "Alas Too Many Hops"); break; }; if (msg:len >= max_len) { sl_send_reply("513", "Message too large"); break; }; 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("LOG: 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 append_to_reply("P-NATed-Caller: Yes\r\n"); }; }; if (loose_route()) { setflag(1); t_relay(); break; }; if (method == "REGISTER") { /* if (!allow_register("register.allow", "register.deny")) { log(1, "LOG: alert: Forbidden IP in Contact\n"); sl_send_reply("403", "Forbidden"); break; }; */ # prohibit attempts to grab someone else's To address # using valid credentials; if (!www_authorize("xxxxx.com", "subscriber")) { # challenge if none or invalid credentials www_challenge("xxxxx.com", "0"); break; }; if (!save("location")) { sl_reply_error(); }; m_dump(); break; }; lookup("aliases"); # Remove leading + if it is a number begining with + if (uri =~ "^[a-zA-Z]+:\+[0-9]+@") { strip(1); prefix("00"); }; if (!does_uri_exist()) { # Try numeric destinations through the gateway if (uri =~ "^[a-zA-Z]+:[0-9]+@") { route(4); } else { sl_send_reply("604", "Does Not Exist Anywhere"); }; break; }; if (!lookup("location")) { # handle user which was not found route(3); break; }; append_hf("P-hint: usrloc applied\r\n"); route(1); } route[1] { 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 (isflagset(6)) { if (!is_present_hf("P-RTP-Proxy")) { force_rtp_proxy(); append_hf("P-RTP-Proxy: YES\r\n"); }; append_hf("P-NATed-Callee: Yes\r\n"); }; # nat processing of replies; apply to all transactions (for example, # re-INVITEs from public to private UA are hard to identify as # natted at the moment of request processing); look at replies t_on_reply("1"); if (!t_relay()) { sl_reply_error(); break; }; } onreply_route[1] { # natted transaction ? if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") { fix_nated_contact(); force_rtp_proxy(); # otherwise, is it a transaction behind a NAT and we did not # know at time of request processing? (RFC1918 contacts) } else if (nat_uac_test("1")) { fix_nated_contact(); }; # keep Cisco gatweay sending keep-alives if (isflagset(7) && status=~"2[0-9][0-9]") { remove_hf("Session-Expires"); append_hf("Session-Expires: 60;refresher=UAC\r\n"); fix_nated_sdp("1"); }; } route[3] { # message store if (method == "MESSAGE") { if (!t_newtran()) { sl_reply_error(); break; }; if (m_store("0")) { t_reply("202", "Accepted for Later Delivery"); break; }; t_reply("503", "Service Unavailable"); break; }; # non-Voip -- just send "off-line" if (!(method=="INVITE" || method == "ACK" || method == "CANCEL")) { sl_send_reply("404", "Not Found"); break; }; if (t_newtran()) { if (method == "ACK") { log(1, "CAUTION: strange thing: ACK passed t_newtran\n"); break; }; t_reply("404", "Not Found"); }; # we account missed incoming calls; previous statteful processing # guarantees that retransmissions are not accounted if (method == "INVITE") { acc_log_request("404 missed call\n"); acc_db_request("404 missed call", "missed_calls"); }; }; route[4] { # discard non-PSTN methods if (!(method == "INVITE" || method == "ACK" || method == "CANCEL" || method == "OPTIONS" || method == "BYE")) { sl_send_reply("500", "only VoIP methods accepted for GW"); break; }; # continue with requests to PSTN gateway ... # no authentication needed if the destination is on our free-pstn # list or if the caller is the digest-less gateway # # apply ACLs only to INVITEs -- we don't need to protect other # requests, as they don't imply charges; also it could cause troubles # when a call comes in via PSTN and goes to a party that can't # authenticate (voicemail, other domain) -- BYEs would fail then if (method == "INVITE" || method=="ACK" || method=="CANCEL" || method=="BYE") { # 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("from", "all") && !is_user_in("from","ld")) { rewriteuser("unregistereduser"); forward(211.147.234.158,5090); break; }; record_route(); setflag(1); route(5); # the same for long-distance (destinations begin with two zeros") } else if (uri=~"sip:00[1-9][0-9]+@.*") { if (!is_user_in("from", "all") && !is_user_in("from","int")) { rewriteuser("unregistereduser"); forward(123.123.123.122,5090); #announcement server break; }; record_route(); setflag(1); route(10); # everything else (e.g., interplanetary calls) is denied } else { rewriteuser("wrongnumber"); forward(123.123.123.122,5090); break; }; }; # authorized PSTN break; } route[5] { rewritehostport("123.123.123.125:5060"); append_branch(); # Command needed for reroute to work consume_credentials(); append_hf("P-Hint: GATEWAY\r\n"); t_on_failure("6"); t_relay(); } failure_route[6] { rewritehostport("123.123.123.124:5060"); append_branch(); t_on_failure("7"); t_relay(); } failure_route[7] { rewritehostport("123.123.123.123:5060"); append_branch(); t_on_failure("8"); t_relay(); } failure_route[8] { rewriteuser("networkbusy"); rewritehostport("123.123.123.122:5090"); append_branch(); t_relay(); }

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RE: [Serusers] SER - TOO MANY HOPS
by Kapil Dhawan 16 May '04

16 May '04

use alias="mydomain.com" in ser.cfg >From: onyeka d ezenwoye <oezen001(a)cs.fiu.edu> >To: <serusers(a)lists.iptel.org> >Subject: [Serusers] SER - TOO MANY HOPS >Date: Sat, 15 May 2004 17:18:41 -0400 (EDT) > >Hi, i keep getting this "too many hops" error when i try to call a user >registered on my ser server (tiger.mydomain.com). The users is registered >as user1(a)tiger.mydomain.com . > >I have the default ser config file but if i try to call user1(a)mydomain.com >(without the machine name "tiger" as part of the address) the server >returns "too many hops". > >However i can make the call if i specify address like >user1(a)tiger.mydomain.com. why is this? the domain is the same. what do i >do now? Thanks. > >regards, > >Onyeka > > > >_______________________________________________ >Serusers mailing list >serusers(a)lists.iptel.org >http://lists.iptel.org/mailman/listinfo/serusers _________________________________________________________________ Best of Indian handicrafts. http://www.fabmall.com/affiliatehtml/redir/nl8.asp At MSN Shopping.

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sr-users May 2004