sr-users March 2005

sr-users@lists.kamailio.org

250 participants
627 discussions

[Serusers] Mediaproxy and parallel forking

by Enthu

Hi, I was trying parallel forking with ser and Mediaproxy. Here is the scenario. Party Proxy Location A Location B | INVITE | | | |------------>| | | | 100 | | | |<------------| INVITE | | | |-------------------> | | | | INVITE | | | |----------------------|---------------->| | | 180 (w/o sdp) | | | |<----------------- | | | | | 180 (w/sdp) | | |<-------------------------------------- | | | 200 | | | |<-------------------| CANCEL | | |---------------------|---------------->| | | | 200 | | |<--------------------------------------| | | | | When I get 18X response I am doing "use_media_proxy" and Location B starts sending early media. When call is picked up at Location A, Calling party still gets early media from Location B. After Location B receives CANCEL, it stops sending media and media proxy shows idle session on one end. This combination is always failing to work. If both locations are uniform and dont send early media, parallel forking is working great. Do any of you come across this situation? Am I doing anything wrong here? I apologise if my query sounds stupid. thanks in advance. Enthu

19 years, 8 months

Re: [Serusers] NAT & nathelper w/o rtp proxy

by Java Rockx

Yes. Mediaproxy and rtpproxy receive RTP data and forward it on to the other party in the call. Regards, Paul On Sun, 20 Mar 2005 22:01:40 +0100, Martin van den Berg <martinvdberg(a)gmail.com> wrote: > Thanks! But does mediaproxy relay the RTP? > > On Sun, 20 Mar 2005 08:35:37 -0500, Java Rockx <javarockx(a)gmail.com> wrote: > > For NAT traversal you can either use nathelper + rtproxy __OR__ mediaproxy. > > > > So the answer to your question is, yes you need nathelper to use > > rtpproxy because the force_rtp_proxy() function is in the nathlper > > module. > > > > Regards, > > Paul > > > > > > On Sat, 19 Mar 2005 21:43:14 +0100, Martin van den Berg > > <martinvdberg(a)gmail.com> wrote: > > > Hello Gurus, > > > > > > I'm running a lill' SER server(to which I am a newbe) here behind > > > NAT. The NAT setup is, I beleive, quite simple: the server is on > > > 192.168.1.3, the router is at 192.168.1.1 and the public IP address is > > > A.B.C.D. All calls/SIP requests originate from the public network. I > > > do not want to relay RTP. > > > > > > >From what I understand, I need to use the nathelper module. I've got a > > > script that *should* do something but SER reports "ERROR: > > > send_rtpp_command: can't connect to RTP proxy". > > > > > > Does nathelper always require a RTP Proxy? Or, can this be done w/o nathelper? > > > > > > Thanks! > > > > > > Martin > > > > > > _______________________________________________ > > > Serusers mailing list > > > serusers(a)lists.iptel.org > > > http://lists.iptel.org/mailman/listinfo/serusers > > > > > >

19 years, 8 months

[Serusers] SER on linux-2.6 (help!)

by Steven Wang

Hello My SER can't get audio stream through on linux-2.6. The registration and other requests look fine in logs. Does anyone get SER run well on linux-2.6 (Fedora 2) Thank you! steven

19 years, 8 months

RE: [Serusers] how to sort data retrieved from avp_db_load in avp ops module

by PHAN, Quang-Minh (Docteur Ordinateur)

Hi Juha, I thought that LCR module is only used to try a list of PSTN gateways or SIP proxies so I didn't look for a multi-forwarding solution using this module. Maybe I should take a look at it. Could you please confirm that with this module ser can load a list of destinations for each SIP request based on TO, FROM or RURI of the sip message? Thank you for your help. Minh -----Message d'origine----- De: Juha Heinanen A: PHAN, Quang-Minh (Docteur Ordinateur) Cc: 'serusers(a)lists.iptel.org' Date: 20/03/2005 14:04 Objet: [Serusers] how to sort data retrieved from avp_db_load in avpops module PHAN, Quang-Minh (Docteur Ordinateur) writes: > I want to implement serial forking with avpops module and I have this > problem. The set of destinations for each user is stored in a database and I > use apv_db_load to load it. However, I couldn't find a way to sort them in > the right order. For example, I cant tell SER to try destination A before B, > then C because there is no way to specify this in the database. if you use location table to store the destinations, then you can use lcr module to implement serial forking according to q value. > Another > feature I want to implement is to allow a client to specify a timeout for a > destination. Eg. Try A for x seconds, then try B for y seconds, then > try C. lcr module has a timer variable that is used to timeout all but the last destination. -- juha

19 years, 8 months

RE: [Serusers] how to sort data retrieved from avp_db_load in avp opsmodule

by PHAN, Quang-Minh (Docteur Ordinateur)

Hi all, Thanks you for your help. I think I can implement a multi-forwarding service now but I think I should spend sometime trying to add some ordering mechanism to avpops module because basing on order from database is not enough for such kind of service. Minh -----Message d'origine----- De: serusers-bounces(a)lists.iptel.org A: Richard Cc: serusers(a)lists.iptel.org Date: 20/03/2005 20:28 Objet: Re: [Serusers] how to sort data retrieved from avp_db_load in avpopsmodule Richard wrote: >>Hi Minh, >> >>After loading the AVPs via apv_db_load() function you will have in >>memory the AVP list exactly in the revert order than in database. Ex: if >>you had for avp "test" values A, B, C and D, after loading you will have >>the order D, C, B and A. > > > Can anyone think of a way to set the order in the database? I think that it > is probably impractical, if not impossible. If you want to have ordering for AVP of same name/ID at load_db time you need to relay on some information/order already existing in the DB. At the moment, the only available criteria is the DB order itself. > > Is this reverse order by design or by implementation? My ser logic heavily > relies on the behavior. I wonder if any future upgrade might break it if it > is just how the code is implemented. The revert order is a effect of how the AVP core is implemented - the AVPs are kept in singled-linked list and any new APV is added at the beginning of the list. Best regards, Marian -- Voice System http://www.voice-system.ro _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

19 years, 8 months

[Serusers] Troubles calling from a Nated UA to a PSTN gateway on a Public address space using SER 0.9.1 and Mediaproxy Release 1.2.1

by Alberto Cruz

Hi everybody I having a weird behavior with Mediaproxy I'm using SER 0.9.1 and Mediaproxy Release 1.2.1 The Gateway is a Cisco AS5300 using release 12.2(15)T I have a UA using behind a NAT, the PSTN gateway and the SER server both are using public IP addresses. The behaviors are the following: 1. When I tried to place a call from a NATed UA to the PSTN gateway I'm not receiving the call progress tone or ring back tone at the NATed UA. 2. If I decide to wait until the call is completed (doesn't matter if a heard death air as progress tone) I start hearing the calling party as soon the call is completed and we can talk each other without any troubles. 3. If I cancel the call and hang up the phone at the NATed UA before the call is completed (during the call progress stage) the SER/Mediaproxy don't cancel the call it still in progress until it is completed or cancelled by the PSTN. I'm attaching my ser configuration and the logging I'm getting when I cancel the call before it's completed. Please let me know if this behavior is because I'm making some mistake with mediaproxy configuration. Thanks in advanced. Regards Alberto Cruz Mar 20 00:10:02 matrix proxydispatcher[1379]: command request call-80BF3413-4297-D911-0217-21(a)172.31.254.240 172.31.254.240:10286:audio 200.67.33.247 172.31.254.240 remote 65.208.39.219 remote Quintum/1.0.0 info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag: Mar 20 00:10:02 matrix proxydispatcher[1379]: will use default mediaproxy for this call. Mar 20 00:10:02 matrix mediaproxy[1376]: command request call-80BF3413-4297-D911-0217-21(a)172.31.254.240 172.31.254.240:10286:audio 200.67.33.247 172.31.254.240 remote 65.208.39.219 remote Quintum/1.0.0 info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:,dispatcher Mar 20 00:10:02 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: started. listening on 65.208.39.215:35150 Mar 20 00:10:02 matrix mediaproxy[1376]: command execution time: 9.23 ms Mar 20 00:10:02 matrix proxydispatcher[1379]: forwarding to mediaproxy on /var/run/mediaproxy.sock: got: '65.208.39.215 35150' Mar 20 00:10:02 matrix proxydispatcher[1379]: command execution time: 13.13 ms Mar 20 00:10:06 matrix proxydispatcher[1379]: command lookup call-80BF3413-4297-D911-0217-21(a)172.31.254.240 65.208.39.219:18342:audio 65.208.39.219 172.31.254.240 remote 65.208.39.215 unknown Cisco-SIPGateway/IOS-12.x info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:711504-73 Mar 20 00:10:06 matrix mediaproxy[1376]: command lookup call-80BF3413-4297-D911-0217-21(a)172.31.254.240 65.208.39.219:18342:audio 65.208.39.219 172.31.254.240 remote 65.208.39.215 unknown Cisco-SIPGateway/IOS-12.x info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:711504-73,dispatcher Mar 20 00:10:06 matrix mediaproxy[1376]: command execution time: 1.63 ms Mar 20 00:10:06 matrix proxydispatcher[1379]: forwarding to mediaproxy on /var/run/mediaproxy.sock: got: '65.208.39.215 35150' Mar 20 00:10:06 matrix proxydispatcher[1379]: command execution time: 4.88 ms Mar 20 00:10:06 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: caller signed in from 200.67.33.247:49125 (RTP) (will return to 200.67.33.247:49125) Mar 20 00:10:06 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: called signed in from 65.208.39.219:18342 (RTP) (will return to 65.208.39.219:18342) Mar 20 00:10:08 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: caller signed in from 200.67.33.247:49126 (RTCP) (will return to 200.67.33.247:49126) Mar 20 00:10:11 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: called signed in from 65.208.39.219:18343 (RTCP) (will return to 65.208.39.219:18343) Mar 20 00:10:13 matrix proxydispatcher[1379]: command delete call-80BF3413-4297-D911-0217-21(a)172.31.254.240 info= Mar 20 00:10:13 matrix mediaproxy[1376]: command delete call-80BF3413-4297-D911-0217-21(a)172.31.254.240 info=dispatcher Mar 20 00:10:13 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: 29/44/73 packets, 1380/5320/6700 bytes (caller/called/relayed) Mar 20 00:10:13 matrix mediaproxy[1376]: session call-80BF3413-4297-D911-0217-21(a)172.31.254.240: ended. Mar 20 00:10:13 matrix mediaproxy[1376]: command execution time: 1.43 ms Mar 20 00:10:13 matrix proxydispatcher[1379]: forwarding to mediaproxy on /var/run/mediaproxy.sock: got: '' Mar 20 00:10:13 matrix proxydispatcher[1379]: command execution time: 4.29 ms Mar 20 00:10:45 matrix proxydispatcher[1379]: command lookup call-80BF3413-4297-D911-0217-21(a)172.31.254.240 65.208.39.219:18342:audio 65.208.39.219 172.31.254.240 remote 65.208.39.215 unknown Cisco-SIPGateway/IOS-12.x info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:711504-73 Mar 20 00:10:45 matrix proxydispatcher[1379]: warning: trying to lookup session with non-existent id: 'call-80BF3413-4297-D911-0217-21(a)172.31.254.240' Mar 20 00:10:45 matrix proxydispatcher[1379]: command execution time: 0.91 ms Mar 20 00:10:45 matrix /usr/local/sbin/ser[11723]: error: use_media_proxy(): empty response from mediaproxy Mar 20 00:10:45 matrix /usr/local/sbin/ser[11723]: ERROR: on_reply processing failed Mar 20 00:10:46 matrix proxydispatcher[1379]: command lookup call-80BF3413-4297-D911-0217-21(a)172.31.254.240 65.208.39.219:18342:audio 65.208.39.219 172.31.254.240 remote 65.208.39.215 unknown Cisco-SIPGateway/IOS-12.x info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:711504-73 Mar 20 00:10:46 matrix proxydispatcher[1379]: warning: trying to lookup session with non-existent id: 'call-80BF3413-4297-D911-0217-21(a)172.31.254.240' Mar 20 00:10:46 matrix proxydispatcher[1379]: command execution time: 1.08 ms Mar 20 00:10:46 matrix /usr/local/sbin/ser[11725]: error: use_media_proxy(): empty response from mediaproxy Mar 20 00:10:46 matrix /usr/local/sbin/ser[11725]: ERROR: on_reply processing failed Mar 20 00:10:47 matrix proxydispatcher[1379]: command lookup call-80BF3413-4297-D911-0217-21(a)172.31.254.240 65.208.39.219:18342:audio 65.208.39.219 172.31.254.240 remote 65.208.39.215 unknown Cisco-SIPGateway/IOS-12.x info=from:8412@172.31.254.240,to:018183324166@65.208.39.215,fromtag:ac1ffef0-20,totag:711504-73 Mar 20 00:10:47 matrix proxydispatcher[1379]: warning: trying to lookup session with non-existent id: 'call-80BF3413-4297-D911-0217-21(a)172.31.254.240' Mar 20 00:10:47 matrix proxydispatcher[1379]: command execution time: 1.09 ms Mar 20 00:10:47 matrix /usr/local/sbin/ser[11723]: error: use_media_proxy(): empty response from mediaproxy Mar 20 00:10:47 matrix /usr/local/sbin/ser[11723]: ERROR: on_reply processing failed # # $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $ # # # # ----------- global configuration parameters ------------------------ debug=3 # 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 */ check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) listen=65.208.39.215 port=5060 alias=65.208.39.215 alias=sip.telereunion.com.mx 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/uri.so" loadmodule "/usr/local/lib/ser/modules/uri_db.so" loadmodule "/usr/local/lib/ser/modules/group.so" loadmodule "/usr/local/lib/ser/modules/registrar.so" loadmodule "/usr/local/lib/ser/modules/textops.so" loadmodule "/usr/local/lib/ser/modules/domain.so" loadmodule "/usr/local/lib/ser/modules/mediaproxy.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" # ----------------- 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("domain", "db_mode", 1) modparam("auth_db|usrloc|domain|group", "db_url", "mysql://ser:heslo@localhost/ser") modparam("group", "use_domain", 0) # -- 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) modparam("mediaproxy", "natping_interval", 60) modparam("registrar", "nat_flag", 2) # ------------------------- 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")) { if (method!="ACK") { sl_send_reply("483","Too Many Hops"); }; break; }; if (msg:len >= 2048 ) { if (method!="ACK") { sl_send_reply("513", "Message too big"); }; break; }; # 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(); if (method=="REGISTER") { if (uri==myself || is_from_local()) { # Mark as NAT'ed if (client_nat_test("3")) { setflag(2); force_rport(); fix_contact(); }; if (!www_authorize("", "subscriber")) { www_challenge("", "0"); break; } else if (!check_to()) { sl_send_reply("403", "Username!=To not allowed"); break; }; if (!save("location")) { sl_reply_error(); }; } else { append_hf("P-hint: outbound alias\r\n"); sl_send_reply("403", "This domain is not served here"); }; break; }; if (method=="INVITE") { if (!(is_from_local() || uri==myself || is_uri_host_local())) { sl_send_reply("403", "Relaying is forbidden"); break; }; t_on_failure("1"); } else if (method == "BYE" || method == "CANCEL") { end_media_session(); }; # subsequent messages withing a dialog should take the # path determined by record-routing if (loose_route()) { append_hf("P-hint: rr-enforced\r\n"); # The following lines are added due media proxy if (method=="INVITE" || method=="ACK") { use_media_proxy(); }; # end media session for BYE and CANCEL is done above # before entering the loose route. no need to call it here t_relay(); break; }; if (client_nat_test("3") && !search("^Record-Route:")) { # Mark as NAT'ed force_rport(); fix_contact(); }; ### Begin PSTN evaluation if (method=="INVITE") { if (uri=~"sip:01[1-9][0-9]+@.*") { if (!is_user_in("From", "ld")) { sl_send_reply("403", "LD permissions needed"); break; }; rewritehostport("65.208.39.219:5060"); } else if (uri=~"sip:00[1-9][0-9]+@.*") { if (!is_user_in("From", "int")) { sl_send_reply("403", "International permissions needed"); break; }; rewritehost("65.208.39.219"); }; t_on_reply("1"); }; ### End PSTN evaluation if (is_uri_host_local() || uri==myself) { # join with next if? # native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "User not found"); break; }; }; if (method=="INVITE" || method=="ACK") { use_media_proxy(); }; if (!uri==myself) { # mark routing logic in request append_hf("P-hint: outbound\r\n"); }; # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP if (!t_relay()) { if (method=="INVITE" || method=="ACK") { end_media_session(); }; sl_reply_error(); }; } failure_route[1] { end_media_session(); } onreply_route[1] { if (status=~"(180)|(183)|(2[0-9][0-9])") { if (client_nat_test("1")) { fix_contact(); }; use_media_proxy(); }; }

19 years, 8 months

[Serusers] how to sort data retrieved from avp_db_load in avpops module

by PHAN, Quang-Minh (Docteur Ordinateur)

Hi List, I want to implement serial forking with avpops module and I have this problem. The set of destinations for each user is stored in a database and I use apv_db_load to load it. However, I couldn't find a way to sort them in the right order. For example, I cant tell SER to try destination A before B, then C because there is no way to specify this in the database. Another feature I want to implement is to allow a client to specify a timeout for a destination. Eg. Try A for x seconds, then try B for y seconds, then try C. I wonder if there are ways to implement the services above using actual ser modules or it's not yet possible. Best regards, Minh

19 years, 8 months

[Serusers] Connecting to SER by TCP

by Sergey Gribov

Hello, Are there are any issues with connecting to SER using TCP instead of UDP connection? Is it supposed to work exactly as a TCP one? Thanks in advance, __________________________________ Do you Yahoo!? Make Yahoo! your home page http://www.yahoo.com/r/hs

19 years, 8 months

[Serusers] Can I syslog serctl moni failures

by Java Rockx

Hi All. Is it possible for ser to write received SIP traffic that causes "serctl moni" to show a failure? If I understand this correctly, a "failure" will never reach the processing in ser.cfg so I cannot just use xlog or something to write out the message that caused the failure. Regards, Paul

19 years, 8 months

[Serusers] NAT & nathelper w/o rtp proxy

by Martin van den Berg

Hello Gurus, I'm running a lill' SER server(to which I am a newbe) here behind NAT. The NAT setup is, I beleive, quite simple: the server is on 192.168.1.3, the router is at 192.168.1.1 and the public IP address is A.B.C.D. All calls/SIP requests originate from the public network. I do not want to relay RTP. >From what I understand, I need to use the nathelper module. I've got a script that *should* do something but SER reports "ERROR: send_rtpp_command: can't connect to RTP proxy". Does nathelper always require a RTP Proxy? Or, can this be done w/o nathelper? Thanks! Martin

19 years, 8 months

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sr-users March 2005