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37559 discussions

Combining Dispatcher and NAT_Helper modules.
by Henrik Aagaard Sørensen 03 Oct '11

03 Oct '11

I'm currently having a Kamailio running as load balancer, at it works most of the time. But sometimes fails due to NAT issues. This is my config: http://pastebin.com/8F8X45xh Can someone help me combine the NAT_Helper module into this config? It's not the variables to set or RTPProxy, but in the Routing Logic.

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Incoming calls question
by Javier Vidal -- Quasar 03 Oct '11

03 Oct '11

i have a question, i have to make a system to recieve several calls and the same time, and depending of destination DDI i have to rewrite the URI's IP. I am not going to have Registered users, only IP validation. The question is: What is the better way to consult thousands DDIs and get the IP from mysql? I had thought, use sqlops.so module, but i think that i could have problems with it. Another posibility is use the carrierroute and use the full pattern for the DDI. Thank for all sugestions. Javier V.

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alphabetic indexes for module parameters, functions, ...
by Daniel-Constantin Mierla 03 Oct '11

03 Oct '11

Hello, for the last versions the alphabetic indexes were not generated - there were different people doing that in the past, using various self-written tools. For upcoming version, 3.2.0, I spend some time to structure the docbook files for modules in order to be easier to get from them the names for functions, parameters and mi commands. Therefore, the new wiki system has fresh generated indexes from modules' documentations. You can find them at: * http://www.kamailio.org/wiki/alphaindexes:3.2.x:modparameters * http://www.kamailio.org/wiki/alphaindexes:3.2.x:modfunctions * http://www.kamailio.org/wiki/alphaindexes:3.2.x:micommands Being generated from docbook xml files, the indexes contain name, path to the module in source tree and module name, the last one with link to html readme file of the module published to kamailio.org site. There is no link at the moment pointing inside the html readmes to the place where the item is documented, but each readme has table of content, so it is easy to spot it. We have lots lots of modules right now, therefore it was not easy to check if some parameters, functions or mi commands were not indexed. If you find some missing, please write back here so we can fix the dockbook or the indexing tool, depending where the problem is. Hope the indexes will be helpful for many of you. Ending the email with another invitation to all of you to port (update to upcoming v3.2.0) your favorite tutorial from old wiki system (http://www.kamailio.org/dokuwiki/) and add to the new wiki (http://www.kamailio.org/wiki/). Cheers, Daniel -- Daniel-Constantin Mierla -- http://www.asipto.com Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kat http://linkedin.com/in/miconda -- http://twitter.com/miconda

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Cflag is not getting updated.
by Krishna Kurapati 03 Oct '11

03 Oct '11

Hi, I am hitting bit of a wall here. - I am setting bflags for NAT, and SIPPING before save("location") however, when I do "kamctl ul show", the Cflag is 0. I also checked see if the bflags are set or not in the register routine - they are being set. What am I missing? snippets of the config files. #!define FLB_NATB 6 #!define FLB_NATSIPPING 7 modparam("nathelper", "natping_interval", 30) modparam("nathelper", "ping_nated_only", 1) modparam("nathelper", "sipping_bflag", FLB_NATSIPPING) modparam("nathelper", "sipping_method", "INFO") modparam("nathelper", "sipping_from", "sip:pinger@50.62.1.7") # params needed for NAT traversal in other modules modparam("nathelper|registrar|usrloc", "received_avp", "$avp(RECEIVED)") modparam("usrloc", "nat_bflag", FLB_NATB) # Caller NAT detection route route[NAT] { #!ifdef WITH_NAT force_rport(); if (nat_uac_test("19")) { if (method=="REGISTER") { fix_nated_register(); } else { fix_nated_contact(); } setflag(FLT_NATS); setbflag(FLB_NATB); } #!endif return; } # Handle SIP registrations route[REGISTRAR] { if (is_method("REGISTER")) { xlog("L_ALERT", "REGISTER: From $fU, $fd To $tU, $td"); if (isflagset(FLT_NATS) || isbflagset(FLB_NATB)) { setbflag(FLB_NATB); # uncomment next line to do SIP NAT pinging setbflag(FLB_NATSIPPING); } # 7/28/11 - make sure only one contact location is active # at any given time # unregister("location", "$rU"); if (isbflagset(FLB_NATB)) { xlog("L_ALERT", "REGISTRAR: For $fU, $fd FLB_NATB set"); } if (isbflagset(FLB_NATSIPPING)) { xlog("L_ALERT", "REGISTRAR: For $fU, $fd FLB_NATSIPPING set"); } if (!save("location")) { xlog("L_ALERT", "REGISTRAR: From $fU, $fd Location could not be saved"); sl_reply_error(); } exit; } } The debug log snippets ================== Oct 1 15:58:30 siptest /usr/sbin/kamailio[19515]: ALERT: <script>: REGISTER: From p_krishna_test_com, 50.62.1.7 To p_krishna_test_com, 50.62.1.7 Oct 1 15:58:30 siptest /usr/sbin/kamailio[19515]: ALERT: <script>: REGISTRAR: For p_krishna_test_com, 50.62.1.7 FLB_NATB set Oct 1 15:58:30 siptest /usr/sbin/kamailio[19515]: ALERT: <script>: REGISTRAR: For p_krishna_test_com, 50.62.1.7 FLB_NATSIPPING set Oct 1 15:58:30 siptest /usr/sbin/kamailio[19515]: DEBUG: sl [sl.c:278]: reply in stateless mode (sl) Output of kamctl command ==================== $ sudo kamctl ul show Domain:: location table=512 records=1 max_slot=1 AOR:: p_krishna_test_com Contact:: sip:p_krishna_test_com@75.62.17.45:50073;transport=tcp;ob Q= Expires:: 287 Callid:: ad2d3a7bf39a4345861db1661576a7f3 Cseq:: 54856 User-agent:: QliqDesktop 1.0.0 (pjproject 1.10.0/win32) State:: CS_NEW Flags:: 0 Cflag:: 0 <================= Cflag is not being set. Socket:: tcp:10.1.0.6:5060 Methods:: 8143 Thanks Krish Kura

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Kamailio as dispatcher fails due to from domain on extension.
by Henrik Aagaard Sørensen 02 Oct '11

02 Oct '11

I'm using Kamailio as dispatcher to a FreeSwitch setup. Currently it "almost" work. I have 2 extensions connected to my FreeSwitch via Kamailio. However, I can only send calls one way because Kamailio seems to change the domain on the extension. One extension is registered with ID(a)sip.my-domain.com. This I can send calls to. The other extension is registered with ID@local-ip. This I cannot send calls to. Isn't it possible to have Kamailio register the extension on my FreeSwitch with @sip.my-domain.com? If I register both extension directly to my FreeSwitch everything works.

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Re: [SR-Users] Setting avp from load_credentials
by Alex Balashov 01 Oct '11

01 Oct '11

Alternately, if you dislike any of these paradigms or find the order of operations inconvenient, just roll your own. That's what sqlops is for. -- This message was painstakingly thumbed out on my mobile, so apologies for brevity, errors, and general sloppiness. Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ On Oct 1, 2011, at 10:43 AM, "graham(a)g-rock.net" <graham(a)g-rock.net> wrote: > I know I am Auth'ing users, but apparently need to confirm the location of www_authorize. Thanks for the pointers Alex. > > Sent from my HTC on the Now Network from Sprint! > > ----- Reply message ----- > From: "Alex Balashov" <abalashov(a)evaristesys.com> > Date: Sat, Oct 1, 2011 9:07 am > Subject: [SR-Users] Setting avp from load_credentials > To: "SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) -Users Mailing List" <sr-users(a)lists.sip-router.org> > > Sure it is, but credentials only get loaded if you are doing proxy/www_authorize() beforehand. Are you? > > -- > This message was painstakingly thumbed out on my mobile, so apologies for brevity, errors, and general sloppiness. > > Alex Balashov - Principal > Evariste Systems LLC > 260 Peachtree Street NW > Suite 2200 > Atlanta, GA 30303 > Tel: +1-678-954-0670 > Fax: +1-404-961-1892 > Web: http://www.evaristesys.com/ > > On Oct 1, 2011, at 9:24 AM, Graham Wooden <graham(a)g-rock.net> wrote: > > > Hi there, > > > > Just doing a quick test and this doesn’t appear to be working. Kamailio > > 1.5.5-notls. Snippet of code: > > > > modparam("auth_db", "load_credentials", "username") > > . > > . > > . > > xlog("username is $avp(s:username)\n"); > > > > > > The result is '<null>'. Is this not available in the route{} ? > > > > Thanks, > > > > -graham > > > > > > > > > > > > _______________________________________________ > > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > > sr-users(a)lists.sip-router.org > > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > >

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Re: [SR-Users] Setting avp from load_credentials
by graham＠g-rock.net 01 Oct '11

01 Oct '11

I know I am Auth'ing users, but apparently need to confirm the location of www_authorize. Thanks for the pointers Alex. Sent from my HTC on the Now Network from Sprint! ----- Reply message ----- From: "Alex Balashov" <abalashov(a)evaristesys.com> Date: Sat, Oct 1, 2011 9:07 am Subject: [SR-Users] Setting avp from load_credentials To: "SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) -Users Mailing List" <sr-users(a)lists.sip-router.org> Sure it is, but credentials only get loaded if you are doing proxy/www_authorize() beforehand. Are you? -- This message was painstakingly thumbed out on my mobile, so apologies for brevity, errors, and general sloppiness. Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ On Oct 1, 2011, at 9:24 AM, Graham Wooden <graham(a)g-rock.net> wrote: > Hi there, > > Just doing a quick test and this doesn’t appear to be working. Kamailio > 1.5.5-notls. Snippet of code: > > modparam("auth_db", "load_credentials", "username") > . > . > . > xlog("username is $avp(s:username)\n"); > > > The result is '<null>'. Is this not available in the route{} ? > > Thanks, > > -graham > > > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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Setting avp from load_credentials
by Graham Wooden 01 Oct '11

01 Oct '11

Hi there, Just doing a quick test and this doesn¹t appear to be working. Kamailio 1.5.5-notls. Snippet of code: modparam("auth_db", "load_credentials", "username") . . . xlog("username is $avp(s:username)\n"); The result is '<null>'. Is this not available in the route{} ? Thanks, -graham

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Use of $rU
by Graham Wooden 01 Oct '11

01 Oct '11

Hi there, What is pv for the equivalent of $rU for outbound? My inbound use of $rU has the correct username. All my subscribers are multi-number trunks, so on the outbound I need to associate the subscriber. This is kamailio 1.5. Thanks, -graham

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Handling quota/call limits - kamailio 1.5
by Graham Wooden 01 Oct '11

01 Oct '11

Hi there, Finally getting around to introducing some call limits and starting with the inbound calls. However, I ran into an issue about how to get the "in use" count to be updated in my quota table. What is the best way to get s:in_use to update so it can be calculated? Here is my snippet of code: if (is_method("INVITE")) { avp_db_query("select quota, in_use from quota where username='$rU'","$avp(s:quota);$avp(s:in_use)"); if ($avp(s:in_use) >= $avp(s:quota)){ xlog ("DEBUG: Trunk $rU is over quota"); sl_send_reply("503","User over quota"); } . . } This opens up two more questions: How to decrease the call count when a BYE is received - maybe do a subtraction and the do a avp_db_query to update the table? And of course there is the BYE that won't be present (ie. When a call just rings and hangs up before it gets answered). Maybe ACC's missed_calls can somewhat be used to help determine? Thanks for any pointers and guidance. I am running Kamailio 1.5. Thanks, -graham

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