Excellent, Nick! And if you need some help or stuck in some point, don't hesitate on contact me! I have done a lot of work to get websockets working, and maybe I can share my experience with you as well.
:-) *Bruno Emer* Mobile: +55 11 96540-0044 email: brunoe...@gmail.com <https://www.facebook.com/bruno.emer.5> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> <https://twitter.com/brunoemer_> <https://www.flickr.com/photos/122070309@N03/> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> 2014-09-24 14:46 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: > Hello Nick! > > I'm still learning more about Kamailio and how it works. This is being a > lil bit hard to me because I don't understand too much about programming > and all those "if's" and "else's", but I'll be happy to help you and > provide you the information that I used to have y scenario working fine. > > I spent a lot of time to have this scenario up and running in the way that > I need, but here are the main documentation which I used: > > > This link here explain how to have Registrar and Proxy in different > servers. It helped me a lot to understand the message flow between the > servers: > http://www.kamailio.org/dokuwiki/doku.php/tutorials:openser-modular-install > > This here, shows how to enable the websockets in Kamailio. I think that is > a good point to start: > http://nil.uniza.sk/sip/kamailio/configuring-kamailio-4x-websocket > > Here I found a good example that shows how to have an Edge Proxy with > websockets support: > > https://github.com/kamailio/kamailio/blob/master/examples/outbound/edge_websocket.cfg > > > > So, I got a mix of information and a lot of attempts and errors. > > BTW, many thanks to Daniel and Frank Carmickle that helped me a lot with > my questions! > > If you need more help, please let me know! > > :-) > > > > *Bruno Emer* > > Mobile: +55 11 96540-0044 > email: brunoe...@gmail.com > <https://www.facebook.com/bruno.emer.5> > <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> > <https://twitter.com/brunoemer_> > <https://www.flickr.com/photos/122070309@N03/> > <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> > > 2014-09-24 10:52 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: > > Thanks again for your help, Daniel! >> >> Now my scenario is working! >> I have two Edge Proxies and a single Registrar server pointing to a >> external PostgreSQL database. >> >> My two users (alice and bob) are authenticated each one in a Edge Proxy >> and I can start a session between then using WebSockets. I'm using WebRTC >> (JSSIP) as a client to start the calls. >> >> :-) >> >> >> >> >> >> *Bruno Emer* >> >> Mobile: +55 11 96540-0044 >> email: brunoe...@gmail.com >> <https://www.facebook.com/bruno.emer.5> >> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> >> <https://twitter.com/brunoemer_> >> <https://www.flickr.com/photos/122070309@N03/> >> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> >> >> 2014-09-23 18:07 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: >> >> Hello Guys! >>> >>> Good news about my tests here! >>> I found some configurations relative to Outbound proxy and I get this >>> working. Now, I can have two outbound proxies, one registrar and one >>> database. I can register one user in the Outbound Proxy1 and one user in >>> Outbound Proxy 2 and place a call between these users. >>> >>> But now I'm facing another problem! The ACK messages are not being >>> delivered, so the session is being dropped after a few seconds. I think >>> that the problem is in the Contact field. Trying to investigate it now! >>> >>> I'm not sure about how to change the message to deliver the ACK. Did >>> someone had this problem before? >>> >>> In anycase, here is the routing configuration that I'm using in my >>> Oubound proxy: >>> >>> >>> request_route { >>> if (($Rp == MY_WS_PORT || $Rp == MY_WSS_PORT) >>> && !(proto == WS || proto == WSS)) { >>> xlog("L_WARN", "SIP request received on $Rp\n"); >>> sl_send_reply("403", "Forbidden"); >>> exit; >>> } >>> >>> route(REQINIT); >>> >>> if (is_method("CANCEL")) { >>> if (t_check_trans()) { >>> route(RELAY); >>> } >>> exit; >>> } >>> >>> route(WITHINDLG); >>> >>> t_check_trans(); >>> >>> if (is_method("REGISTER")) { >>> remove_hf("Route"); >>> add_path(); >>> $du = "sip:REGISTRAR_IP:REGISTRAR_PORT"; >>> } else { >>> if (is_method("INVITE|SUBSCRIBE|ACK")) >>> record_route(); >>> >>> if (@via[2] == "") { >>> # From client so route to registrar... >>> >>> if ($rU == $null) { >>> sl_send_reply("484", "Address Incomplete"); >>> exit; >>> } >>> remove_hf("Route"); >>> $du = "sip:REGISTRAR_IP:REGISTRAR_PORT"; >>> } else { >>> # From registrar so route using "Route:" headers... >>> >>> if (!loose_route()) { >>> switch($rc) { >>> case -2: >>> sl_send_reply("403", "Forbidden"); >>> exit; >>> default: >>> xlog("L_ERR", "in request_route\n"); >>> sl_reply_error(); >>> exit; >>> } >>> } >>> >>> t_on_failure("FAIL_OUTBOUND"); >>> } >>> } >>> >>> route(RELAY); >>> } >>> >>> route[RELAY] { >>> if (!t_relay()) { >>> sl_reply_error(); >>> } >>> exit; >>> } >>> >>> route[REQINIT] { >>> if (!mf_process_maxfwd_header("10")) { >>> sl_send_reply("483","Too Many Hops"); >>> exit; >>> } >>> >>> if(!sanity_check("1511", "7")) >>> { >>> xlog("Malformed SIP message from $si:$sp\n"); >>> exit; >>> } >>> } >>> >>> route[WITHINDLG] { >>> if (has_totag()) { >>> if (!loose_route()) { >>> switch($rc) { >>> case -2: >>> sl_send_reply("403", "Forbidden"); >>> exit; >>> default: >>> if (is_method("ACK")) { >>> if ( t_check_trans() ) { >>> record_route(); >>> route(RELAY); >>> exit; >>> } else { >>> exit; >>> } >>> } >>> sl_send_reply("404","Not Found"); >>> } >>> } else { >>> if (is_method("NOTIFY")) { >>> record_route(); >>> } >>> route(RELAY); >>> } >>> exit; >>> } >>> } >>> >>> onreply_route { >>> if (($Rp == MY_WS_PORT || $Rp == MY_WSS_PORT) >>> && !(proto == WS || proto == WSS)) { >>> xlog("L_WARN", "SIP response received on $Rp\n"); >>> drop; >>> } >>> >>> if (!t_check_trans()) { >>> drop; >>> } >>> >>> if ($rm == "REGISTER" && $rs >= 200 && $rs <= 299) { >>> remove_hf("Flow-Timer"); >>> if ($(hdr(Require)[*])=~"outbound") >>> insert_hf("Flow-Timer: FLOW_TIMER\r\n", "Call-ID"); >>> } >>> } >>> >>> failure_route[FAIL_OUTBOUND] { >>> if (t_branch_timeout() || !t_branch_replied()) { >>> send_reply("430", "Flow Failed"); >>> } >>> } >>> >>> event_route[xhttp:request] { >>> set_reply_close(); >>> set_reply_no_connect(); >>> >>> if ($Rp != MY_WS_PORT >>> #!ifdef WITH_TLS >>> && $Rp != MY_WSS_PORT >>> #!endif >>> ) { >>> xlog("L_WARN", "HTTP request received on $Rp\n"); >>> xhttp_reply("403", "Forbidden", "", ""); >>> exit; >>> } >>> >>> xlog("L_DBG", "HTTP Request Received\n"); >>> >>> if ($hdr(Upgrade)=~"websocket" >>> && $hdr(Connection)=~"Upgrade" >>> && $rm=~"GET") { >>> >>> # Validate Host - make sure the client is using the correct >>> # alias for WebSockets >>> if ($hdr(Host) == $null || !is_myself("sip:" + $hdr(Host))) { >>> xlog("L_WARN", "Bad host $hdr(Host)\n"); >>> xhttp_reply("403", "Forbidden", "", ""); >>> exit; >>> } >>> >>> # Optional... validate Origin - make sure the client is from an >>> # authorised website. For example, >>> # >>> # if ($hdr(Origin) != "http://communicator.MY_DOMAIN"; >>> # && $hdr(Origin) != "https://communicator.MY_DOMAIN";) { >>> # xlog("L_WARN", "Unauthorised client $hdr(Origin)\n"); >>> # xhttp_reply("403", "Forbidden", "", ""); >>> # exit; >>> # } >>> >>> # Optional... perform HTTP authentication >>> >>> # ws_handle_handshake() exits (no further configuration file >>> # processing of the request) when complete. >>> if (ws_handle_handshake()) >>> { >>> # Optional... cache some information about the >>> # successful connection >>> exit; >>> } >>> } >>> >>> xhttp_reply("404", "Not Found", "", ""); >>> } >>> >>> event_route[websocket:closed] { >>> xlog("L_INFO", "WebSocket connection from $si:$sp has closed\n"); >>> } >>> >>> >>> >>> >>> Thanks again!!! >>> >>> >>> >>> *Bruno Emer* >>> >>> Mobile: +55 11 96540-0044 >>> email: brunoe...@gmail.com >>> <https://www.facebook.com/bruno.emer.5> >>> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> >>> <https://twitter.com/brunoemer_> >>> <https://www.flickr.com/photos/122070309@N03/> >>> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> >>> >>> 2014-09-22 12:40 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: >>> >>> Hi, Daniel and Frank! >>>> >>>> Thanks for your support! >>>> Now, I changed my scenario just a lil bit to make it easy to understand >>>> and deploy. I'm doing the following: >>>> >>>> 1. Created a server using the "Outbound" module configuration >>>> example, but add WebSocket support in it. (IP Address 192.168.1.16) >>>> 2. Created a server running as Proxy and Registrar with WebSockets >>>> support. (IP Address 192.168.1.15) >>>> 3. Registered two users (bob and al...@enterprise.com) using >>>> WebRTC. These users sent they Register requests to the Oubount server >>>> (192.168.1.16). >>>> 4. I'm also using an external postgres database to store the user >>>> informations. In my proxy/registrar server, I've configurated >>>> "modparam("usrloc", "db_mode", 3)", so it will not store data in memory. >>>> >>>> >>>> After register the users in my scenario, I can see the following >>>> information stored in my database (output of kamctl db show location): >>>> >>>> id | ruid | username | domain | >>>> contact | received | path | >>>> expires | q | callid | cseq | last_modified | >>>> flags | cflags | user_agent | socket | methods | >>>> instance | reg_id >>>> >>>> -----+----------------------+----------+----------------+------------------------------------------------+-----------------------+------+---------------------+----+------------------------+------+---------------------+-------+--------+-------------------+---------------------+---------+-------------------------------------------------+-------- >>>> 277 | uloc-54203f71-10bd-2 | alice | enterprise.com | >>>> sip:v4s0prah@o35ctmdnnruv.invalid;transport=ws | sip:192.168.1.16:5060 >>>> | | 2014-09-22 15:31:21 | -1 | udb4shpe4dnm1jsl6016s5 | 82 | >>>> 2014-09-22 15:26:21 | 0 | 0 | JsSIP 0.4.0-devel | udp: >>>> 192.168.1.15:80 | 783 | >>>> <urn:uuid:75c837d1-740a-4c62-baa0-56a06149699e> | 1 >>>> 278 | uloc-54203f71-10bc-2 | bob | enterprise.com | >>>> sip:lr78s270@0mkf6fgtprlh.invalid;transport=ws | sip:192.168.1.16:5060 >>>> | | 2014-09-22 15:34:02 | -1 | 5mpl9q4bkuqsnpk8r316j5 | 82 | >>>> 2014-09-22 15:29:02 | 0 | 0 | JsSIP 0.4.0-devel | udp: >>>> 192.168.1.15:80 | 783 | >>>> <urn:uuid:e92ef911-1ae4-45b1-bfc9-b5752b0f2fe1> | 1 >>>> >>>> >>>> So, I can assume that both users are registered and ready to start >>>> sessions. >>>> >>>> Now, when I try to start a new session between then (let's say bob >>>> calling alice) what I get in the endpoint is the following message: >>>> >>>> SIP/2.0 500 I'm terribly sorry, server error occurred (1/SL) >>>> Via: SIP/2.0/WS >>>> 0mkf6fgtprlh.invalid;rport=33154;received=192.168.1.11;branch=z9hG4bK7711221 >>>> To: <sip:al...@enterprise.com >>>> >;tag=94c1b96a0e6eb467885b5057e1e49f9e.1970 >>>> From: <sip:b...@enterprise.com>;tag=on056iipql >>>> Call-ID: 5e1pmj2fppbgg13doi4k >>>> CSeq: 3989 INVITE >>>> Server: kamailio (4.1.5 (x86_64/linux)) >>>> Content-Length: 0 >>>> >>>> What I understood about this problem is that the Proxy server is trying >>>> to forward the INVITE to the Outbound server and this server does not know >>>> that to do with this message - like forward it to alice. >>>> >>>> I'm stucked in this step. >>>> >>>> Here you can find the configuration files that I'm using: >>>> >>>> Outbound Server: >>>> >>>> https://mega.co.nz/#!Wlw2RL7S!G2YOP-1QbSCeNQddaAe3kyQMqz8yteZlZsAUpjZX4v4 >>>> >>>> Proxy Server: >>>> >>>> https://mega.co.nz/#!qxAXTbbb!4zBjRtmADdl3rPCN2Yidd3xnZEjFahW3GSMb00w41xc >>>> >>>> >>>> >>>> Thanks again! >>>> >>>> Bruno Emer >>>> >>>> >>>> >>>> *Bruno Emer* >>>> >>>> Mobile: +55 11 96540-0044 >>>> email: brunoe...@gmail.com >>>> <https://www.facebook.com/bruno.emer.5> >>>> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> >>>> <https://twitter.com/brunoemer_> >>>> <https://www.flickr.com/photos/122070309@N03/> >>>> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> >>>> >>>> 2014-09-18 18:04 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: >>>> >>>> Ok, Daniel! >>>>> >>>>> I am trying exactly what you said, but for some reason the proxy >>>>> server can't forward the message back to the WebSocket server. I am >>>>> getting >>>>> "487 Unresolvable destination". Appears that my Proxy Server can't get >>>>> data >>>>> from usrloc. >>>>> >>>>> When I register an user using WebRTC I can see that the system stores >>>>> the information in kamailio database and in the field "contact" it puts a >>>>> string. The Proxy server is looking in database and just find this >>>>> information. Actually, I'm trying to understand the entire process that >>>>> envolves passing information from an Edge Server to a Proxy server that >>>>> sends the Register information to another Registrar server (as I described >>>>> before). The database is shared between all the servers, and they are in >>>>> the same network. >>>>> >>>>> I just read the information in another topic, as you said, but I think >>>>> that my case is a lil bit different from it. I you agree, I can post my >>>>> configuration files here. Maybe this can help another users with the same >>>>> problem! >>>>> >>>>> Thanks again!!! >>>>> >>>>> >>>>> >>>>> *Bruno Emer* >>>>> >>>>> Mobile: +55 11 96540-0044 >>>>> email: brunoe...@gmail.com >>>>> <https://www.facebook.com/bruno.emer.5> >>>>> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> >>>>> <https://twitter.com/brunoemer_> >>>>> <https://www.flickr.com/photos/122070309@N03/> >>>>> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> >>>>> >>>>> 2014-09-17 9:13 GMT-03:00 Bruno Emer <brunoe...@gmail.com>: >>>>> >>>>> Hello! >>>>>> >>>>>> I am relatively new to Kamailio and I'm trying to create a new >>>>>> enviroment using it in my company. I am thinking about use Amazon to host >>>>>> the servers and use OpsWorks to automatically escalate then if necessary. >>>>>> To accomplish this, my idea is to separate the servers, using one >>>>>> dedicated >>>>>> server to run as WebSocket, one to run as proxy and one as a Registrar. >>>>>> I'll be using just one database to store informations to all of my >>>>>> servers. >>>>>> With this, if I need more resources later, I can just create new servers >>>>>> with the specific roles (WebSockets, Proxy, Registrar). >>>>>> >>>>>> By now, the idea is clear, but the point is that I don't know how to >>>>>> separate the WebSockets server from the proxy server. Actually, I can do >>>>>> this, but when I have one agent using a regular softphone and one agent >>>>>> using WebSockets (with JSSIP) they are not able to establish a session if >>>>>> the softphone user starts it. Now, I want to know if is there a way to >>>>>> use >>>>>> two websockets servers, register users using both of then and start >>>>>> sessions between then, with a separated proxy and registrar. >>>>>> >>>>>> Has anyone done this before? Is possible to use kamailio like this? >>>>>> >>>>>> >>>>>> Thanks. >>>>>> >>>>>> >>>>>> >>>>>> *Bruno Emer* >>>>>> >>>>>> Mobile: +55 11 96540-0044 >>>>>> email: brunoe...@gmail.com >>>>>> <https://www.facebook.com/bruno.emer.5> >>>>>> <https://www.linkedin.com/profile/view?id=86461237&trk=spm_pic> >>>>>> <https://twitter.com/brunoemer_> >>>>>> <https://www.flickr.com/photos/122070309@N03/> >>>>>> <http://google.com/+BrunoEmer> <http://instagram.com/brunoemer_> >>>>>> >>>>> >>>>> >>>> >>> >> >
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