[OpenSIPS-Users] Problem with OpenSIPS 1.7, NAT and RTPProxy

siponcloud user kash906 at gmail.com
Wed Aug 8 05:36:31 CEST 2012


Opensips 1.6 + nathelper + rtpproxy 1.2.1 is working fine.

Thanks everyone.

On Tue, Aug 7, 2012 at 10:11 AM, Ali Pey <alipey at gmail.com> wrote:

> Hi,
>
> It's your nat traversal. Capture your call and examine the media ip
> addresses in the SDP of all invites. That should give you a clue what's
> wrong.
>
> Regards,
> Ali Pey
>
>
> On Mon, Aug 6, 2012 at 1:47 PM, siponcloud user <kash906 at gmail.com> wrote:
>
>> Thanks, that really helped.
>>
>> I am still having problem with the following: when user x calls user y,
>> audio is one-way, and when audio y calls x, audio is two-way. Why is it so?
>> What could be the possible reasons?
>>
>> Also would like to add that -- iptables has to be appropriate rules on
>> opensips to get clients connecting to it or even rtpproxy connecting to it.
>>
>> --
>> sip user.
>>
>>
>> On Fri, Aug 3, 2012 at 4:49 AM, SamyGo <govoiper at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> You may not want to tell your rtpproxy module to use DB as well as a
>>> socket connection at the same time: I wonder if it will work this way.
>>>
>>> modparam("rtpproxy", "rtpproxy_sock", "udp:localhost:9999")
>>>> modparam("rtpproxy", "nortpproxy_str", "a=sdpmangled:yes\r\n")
>>>> modparam("rtpproxy", "db_url",
>>>> "mysql://opensips:opensipsrw@localhost/opensips")
>>>> #modparam("rtpproxy", "db_table", "nh_rtpp")
>>>> modparam("rtpproxy", "rtpp_socket_col", "rtpproxy_sock")
>>>
>>>
>>> Comment out the red lines as well.
>>> Once commented restart opensips and verify that your RTPproxy is indeed
>>> listening on the port 9999
>>> *
>>> *
>>> *#netstat -pln | grep 9999*
>>>
>>> If you get an output then its fine, next you should make a call and see
>>> if the error changes or not.
>>>
>>> Regards,
>>> Sammy.
>>>
>>>
>>> On Fri, Aug 3, 2012 at 2:38 AM, siponcloud user <kash906 at gmail.com>wrote:
>>>
>>>> Opensips is a great product, but I have been having problem in
>>>> configuring
>>>> the nat traversal + rtpproxy with opensips and have spent about a week
>>>> on
>>>> this.  I am a novice in this... when opensips runs with the following
>>>> opensips.cfg relevant portions -- it raises the following rtpproxy
>>>> problem:
>>>>
>>>> "ERROR:rtpproxy:select_rtpp_node: script error -no valid set selected"
>>>> "ERROR:rtpproxy:force_rtp_proxy: no available proxies"
>>>>
>>>> #-------- nat_traversal params -----
>>>> modparam("nat_traversal", "keepalive_interval", 30)
>>>> modparam("nat_traversal", "keepalive_method", "OPTIONS")
>>>> modparam("nat_traversal", "keepalive_from", "sip:[hidden email]")
>>>> modparam("nat_traversal", "keepalive_state_file",
>>>> "/var/run/opensips/keepalive_state")
>>>>
>>>> #ak# --- rtpproxy -----
>>>> # single rtproxy with specific weight
>>>> modparam("rtpproxy", "rtpproxy_sock", "udp:localhost:9999")
>>>> modparam("rtpproxy", "nortpproxy_str", "a=sdpmangled:yes\r\n")
>>>> modparam("rtpproxy", "db_url",
>>>> "mysql://opensips:opensipsrw@localhost/opensips")
>>>> #modparam("rtpproxy", "db_table", "nh_rtpp")
>>>> modparam("rtpproxy", "rtpp_socket_col", "rtpproxy_sock")
>>>>
>>>>
>>>> ####### Routing Logic ########
>>>>
>>>>
>>>> # main request routing logic
>>>>
>>>> route{
>>>>         ####nat_traversal info
>>>>         force_rport();
>>>>         if (client_nat_test("7")) {
>>>>                 fix_contact();
>>>>                 setflag(5);
>>>>         }
>>>>
>>>>         if ((method=="REGISTER" || method=="SUBSCRIBE" ||
>>>>                 (method=="INVITE" && !has_totag())) &&
>>>> client_nat_test("7"))
>>>>         {
>>>>                 nat_keepalive();
>>>>         }
>>>>         ####nat_traversal info ends
>>>>
>>>>         if (!mf_process_maxfwd_header("10")) {
>>>>                 sl_send_reply("483","Too Many Hops");
>>>>                 exit;
>>>>         }
>>>>
>>>>         ##ak#
>>>>         if ((is_method("INVITE")) && has_totag()) {
>>>> #(has_body("application/sdp"))) {
>>>>                 engage_rtp_proxy();
>>>>         }
>>>>
>>>>         if (has_totag()) {
>>>>                 # sequential request withing a dialog should
>>>>                 # take the path determined by record-routing
>>>>                 if (loose_route()) {
>>>>                         if (is_method("BYE")) {
>>>>                                 setflag(1); # do accounting ...
>>>>                                 setflag(3); # ... even if the
>>>> transaction
>>>> fails
>>>>                         } else if (is_method("INVITE")) {
>>>>                                 # even if in most of the cases is
>>>> useless,
>>>> do RR for
>>>>                                 # re-INVITEs alos, as some buggy
>>>> clients do
>>>> change route set
>>>>                                 # during the dialog.
>>>>                                 record_route();
>>>>                         }
>>>>                         # route it out to whatever destination was set
>>>> by
>>>> loose_route()
>>>>                         # in $du (destination URI).
>>>>                         route(1);
>>>>                 } else {
>>>>                         /* uncomment the following lines if you want to
>>>> enable presence */
>>>> ##if (is_method("SUBSCRIBE") && $rd == "your.server.ip.address") {
>>>>                         ##      # in-dialog subscribe requests
>>>>                         ##      route(2);
>>>>                         ##      exit;
>>>>                         ##}
>>>>                         if ( is_method("ACK") ) {
>>>>                                 if ( t_check_trans() ) {
>>>>                                         # non loose-route, but stateful
>>>> ACK;
>>>> must be an ACK after
>>>>                                         # a 487 or e.g. 404 from
>>>> upstream
>>>> server
>>>>                                         t_relay();
>>>>                                         exit;
>>>>                                 } else {
>>>>                                         # ACK without matching
>>>> transaction
>>>> ->
>>>>                                         # ignore and discard
>>>>                                         exit;
>>>>                                 }
>>>>                         }
>>>>                         sl_send_reply("404","Not here");
>>>>                 }
>>>>                 exit;
>>>>         }
>>>>
>>>>         #initial requests
>>>>
>>>>         # CANCEL processing
>>>>         if (is_method("CANCEL"))
>>>>         {
>>>>                 if (t_check_trans())
>>>>                         t_relay();
>>>>                 #unforce_rtpproxy();
>>>>                 exit;
>>>>         }
>>>>
>>>>         t_check_trans();
>>>>
>>>> # preloaded route checking
>>>>         if (loose_route()) {
>>>>                 xlog("L_ERR",
>>>>                 "Attempt to route with preloaded Route's
>>>> [$fu/$tu/$ru/$ci]");
>>>>                 if (!is_method("ACK"))
>>>>                         sl_send_reply("403","Preload Route denied");
>>>>                 exit;
>>>>         }
>>>>
>>>>         # record routing
>>>>         if (!is_method("REGISTER|MESSAGE"))
>>>>                 record_route();
>>>>
>>>>         # account only INVITEs
>>>>         if (is_method("INVITE")) {
>>>>                 setflag(1); # do accounting
>>>>         }
>>>>         if (!uri==myself)
>>>>         ## replace with following line if multi-domain support is used
>>>>         ##if (!is_uri_host_local())
>>>>         {
>>>>                 append_hf("P-hint: outbound\r\n");
>>>>                 # if you have some interdomain connections via TLS
>>>>                 ##if($rd=="tls_domain1.net") {
>>>>                 ##      t_relay("tls:domain1.net");
>>>>                 ##      exit;
>>>>                 ##} else if($rd=="tls_domain2.net") {
>>>>                 ##      t_relay("tls:domain2.net");
>>>>                 ##      exit;
>>>>                 ##}
>>>>                 route(1);
>>>>         }
>>>>
>>>>         # requests for my domain
>>>>
>>>>         ## uncomment this if you want to enable presence server
>>>>         ##   and comment the next 'if' block
>>>>         ##   NOTE: uncomment also the definition of route[2] from  below
>>>>         ##if( is_method("PUBLISH|SUBSCRIBE"))
>>>>         ##              route(2);
>>>>
>>>>         if (is_method("PUBLISH"))
>>>>         {
>>>>                 sl_send_reply("503", "Service Unavailable");
>>>>                 exit;
>>>>         }
>>>>
>>>>
>>>>         if (is_method("REGISTER"))
>>>>         {
>>>>                 # authenticate the REGISTER requests (uncomment to
>>>> enable
>>>> auth)
>>>>                 ##if (!www_authorize("", "subscriber"))
>>>> ##{
>>>>                 ##      www_challenge("", "0");
>>>>                 ##      exit;
>>>>                 ##}
>>>>                 ##
>>>>                 ##if (!db_check_to())
>>>>                 ##{
>>>>                 ##      sl_send_reply("403","Forbidden auth ID");
>>>>                 ##      exit;
>>>>                 ##}
>>>>
>>>>                 #---- Request is behind NAT(flag5) save with bflag 6
>>>> ----#
>>>>                 #---- Use bflag 7 to start SIP pinging (Options)
>>>> ----#
>>>>                 if (isflagset(5)) {
>>>>                         setbflag(6);
>>>>                         setbflag(7);
>>>>                 };
>>>>
>>>>                 if (!save("location"))
>>>>                         sl_reply_error();
>>>>
>>>>                 exit;
>>>>         }
>>>>
>>>>         if ($rU==NULL) {
>>>>                 # request with no Username in RURI
>>>>                 sl_send_reply("484","Address Incomplete");
>>>>                 exit;
>>>>         }
>>>>
>>>>         # apply DB based aliases (uncomment to enable)
>>>>         ##alias_db_lookup("dbaliases");
>>>> if (!lookup("location","m")) {
>>>>                 switch ($retcode) {
>>>>                         case -1:
>>>>                         case -3:
>>>>                                 t_newtran();
>>>>                                 t_reply("404", "Not Found");
>>>>                                 exit;
>>>>                         case -2:
>>>>                                 sl_send_reply("405", "Method Not
>>>> Allowed");
>>>>                                 exit;
>>>>                 }
>>>>         }
>>>>
>>>>         # when routing via usrloc, log the missed calls also
>>>>         setflag(2);
>>>>
>>>>         route(1);
>>>> }
>>>>
>>>>
>>>> route[1] {
>>>>         # for INVITEs enable some additional helper routes
>>>>
>>>>          #---- RTP Proxy handling ---#
>>>>         if (is_method("BYE|CANCEL")) {
>>>>                 unforce_rtp_proxy();
>>>>         } else if (is_method("INVITE")){
>>>>                 #---- Activates the RTP Proxy for the CALLEE ---#
>>>>                 rtpproxy_offer();
>>>>         };
>>>>         #ak## catch and fix replies
>>>>         #ak#t_on_reply("2");
>>>>
>>>>         if (is_method("INVITE")) {
>>>>                 t_on_branch("2");
>>>>                 t_on_reply("2");
>>>>                 t_on_failure("1");
>>>>         }
>>>>
>>>>         if (!t_relay()) {
>>>>                 sl_reply_error();
>>>>         };
>>>>         exit;
>>>> }
>>>>
>>>> branch_route[2] {
>>>>         if (client_nat_test("3")) {
>>>>                 fix_contact();
>>>>         }
>>>>
>>>>         xlog("new branch at $ru\n");
>>>> }
>>>>
>>>>
>>>> onreply_route[2] {
>>>>         if (client_nat_test("7")) {
>>>>                 fix_contact();
>>>>                 if ( is_method("INVITE") && has_body("application/sdp")
>>>> ){
>>>>                         ######ak# (isflagset(5) || isbflagset(6)) &&
>>>>                         rtpproxy_answer();
>>>>                 }
>>>>         }
>>>>         xlog("incoming reply\n");
>>>> }
>>>>
>>>>
>>>> failure_route[1] {
>>>>
>>>>         if (t_was_cancelled()) {
>>>>                 exit;
>>>>         }
>>>>
>>>>         # uncomment the following lines if you want to block client
>>>>         # redirect based on 3xx replies.
>>>>         ##if (t_check_status("3[0-9][0-9]")) {
>>>>         ##t_reply("404","Not found");
>>>>         ##      exit;
>>>>         ##}
>>>>
>>>>         # uncomment the following lines if you want to redirect the
>>>> failed
>>>>         # calls to a different new destination
>>>>         ##if (t_check_status("486|408")) {
>>>>         ##      sethostport("192.168.2.100:5060");
>>>>         ##      # do not set the missed call flag again
>>>>         ##      t_relay();
>>>>         ##}
>>>> }
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>> http://opensips-open-sip-server.1449251.n2.nabble.com/Problem-with-OpenSIPS-1-7-NAT-and-RTPProxy-tp7581021.html
>>>> Sent from the OpenSIPS - Users mailing list archive at Nabble.com.
>>>>
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>>>>
>>>
>>>
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>>>
>>
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>
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