sr-users April 2006

sr-users@lists.kamailio.org

188 participants
431 discussions

by Razvan Nemesiu

Dear all, Does anyone know if SER (0.8.14) supports PRACK messages ? I want to know if it forwards them.I want to add in my configuration if(method==PRACK) {..} and I want to know if I can do that and if SER allows this configuration line. Best regards, Razvan

18 years

[Serusers] RTCP compliant Phone

by Aisling

Hello, This question isn't directly related to SER so I apologise, however I am finding it difficult to find a windows softphone that is fully RTCP compliant (according to RFC 1889, 3550). I use a SER platform. I was using XLite and discovered that they have implemented the RTCP stack incorrectly. I subsequently tried a copy of Eyebeam and unfortunately there are errors in that implementation also. SJPhone doesn't seem to send RTCP values and with Windows Messenger some of the RTCP fields are consistently set to 0 which is most definitely incorrect. If anyone can advise on this I would be very grateful. Many thanks, Aisling. -------------------Legal Disclaimer--------------------------------------- The above electronic mail transmission is confidential and intended only for the person to whom it is addressed. Its contents may be protected by legal and/or professional privilege. Should it be received by you in error please contact the sender at the above quoted email address. Any unauthorised form of reproduction of this message is strictly prohibited. The Institute does not guarantee the security of any information electronically transmitted and is not liable if the information contained in this communication is not a proper and complete record of the message as transmitted by the sender nor for any delay in its receipt.

18 years

[Serusers] distinctive ring

by Ramin NIkaeen

Hi Everyone, Can anyone point me in the right direction as to how to implement distinctive ringing using SER?! Has anyone attempted it at all?! I would very much appreciate your help ramin

18 years

[Users] Cisco phone behind ADSL (with NAT)

by Joao Pereira

Hello to all Did you ever made it to put a Cisco phone (Cisco IP phone 7940 with SIP) behind ADSL (and NAT) and make calls?? Im trying to do it, and with X-Lite I can place calls, but with the Cisco phone I cant... :( I already putted the NAT= yes in the Cisco Phone. Is there any way of doing this ? Thanks Joao Pereira www.fccn.pt

18 years, 1 month

[Serusers] distinctive ring

by Adrian Georgescu

Look for Alert-Info header. Adrian >>>>> Hi Everyone, Can anyone point me in the right direction as to how to implement distinctive ringing using SER?! Has anyone attempted it at all?! I would very much appreciate your help ramin

18 years, 1 month

[Serusers] SER Billing

by Adrian Georgescu

Try CDRTool it is now open source http://cdrtool.ag-projects.com Adrian >>>>>>>>>>>>>> Hi all! I am a newcomer to this list Anyone who can point me in right direction to find a billing software that works with SER? All suggestions are welcome, open source or commercial Regards ------------------------------------ Talky Communications Anders Svensson Manager anders(a)talkycom.com Sjörrödsvägen 1 S-280 23 Hästveda tel: +46 40 608 2250 mobile: +46 703 17 13 06 ------------------------------------

18 years, 1 month

[Serusers] SER Billing

by Anders Svensson

Hi all! I am a newcomer to this list Anyone who can point me in right direction to find a billing software that works with SER? All suggestions are welcome, open source or commercial Regards ------------------------------------ Talky Communications Anders Svensson Manager anders(a)talkycom.com Sjörrödsvägen 1 S-280 23 Hästveda tel: +46 40 608 2250 mobile: +46 703 17 13 06 ------------------------------------

18 years, 1 month

[Serusers] Call forwarding(at no answer) doesn't work in failure route.

by Yuhai Qin - Snow Line

I have been jailed by this script for almost one week. I refered all archives available(including Onsip's Getting Started) and simply couldn't make the Call Forwarding(at no answer) run properly. In route[1], I used: if (isflagset(28)){ avp_pushto("$ruri", "s:fwdnoanswer"); append_branch(); lookup("location"); xlog("L_INFO", "No answer, relaying after lookup. method <%rm> From <%fu> To <%tu> Contact <%ct> r-uri <%ru>\n"); }; t_relay(); In failure _route[1], I used: if (isflagset(27) && t_check_status("408")) { setflag(28); revert_uri(); route(1); }; I think this is quite simple and straightforward,right? However, after I did revert_uri, avp_pushto, append_branch and lookup, t_relay never could relay the INVITE message to the new branch(I knew this because I checked with ngrep and found no any INVITE message for the new branch). Anyone can help? It's urgent! Thank you so much! Jerry. P.S., here is my original ser.cfg. Just for your reference: ============================================================================= debug=3 # debug level (cmd line: -dddddddddd) fork=no log_stderror=yes # (cmd line: -E) listen=xx.xx.xx.xx check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) port=5060 children=4 fifo="/tmp/ser_fifo" fifo_db_url="mysql://ser:heslo@localhost/ser" alias="sip.xx.com" alias="xx.xx.xx.xx" alias="xx.com" # ------------------ module loading ---------------------------------- 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/registrar.so" loadmodule "/usr/local/lib/ser/modules/textops.so" loadmodule "/usr/local/lib/ser/modules/auth.so" loadmodule "/usr/local/lib/ser/modules/auth_db.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/nathelper.so" loadmodule "/usr/local/lib/ser/modules/acc.so" loadmodule "/usr/local/lib/ser/modules/avpops.so" loadmodule "/usr/local/lib/ser/modules/xlog.so" # ----------------- setting module-specific parameters --------------- modparam("rr", "enable_full_lr", 1) modparam("registrar", "nat_flag", 6) modparam("nathelper", "natping_interval", 30) # Ping interval 30 s modparam("nathelper", "ping_nated_only", 1) # Ping only clients behind NAT modparam("tm", "fr_timer", 20 ) modparam("tm", "fr_inv_timer", 30 ) modparam("usrloc", "db_mode", 2) modparam("usrloc", "db_url", "mysql://ser:heslo@localhost/ser") modparam("auth_db", "calculate_ha1", yes) modparam("auth_db", "password_column", "password") modparam("auth_db", "db_url", "mysql://ser:heslo@localhost/ser") modparam("uri_db", "db_url", "mysql://ser:heslo@localhost/ser") modparam("acc", "log_level", 1) modparam("acc", "log_flag", 1 ) modparam("acc", "db_url","mysql://ser:heslo@localhost/ser") modparam("acc", "db_flag", 1 ) modparam("avpops", "avp_url", "mysql://ser:heslo@localhost/ser") modparam("avpops", "avp_table", "usr_preferences") # ------------------------- request routing logic ------------------- route { 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; }; if (method == "REGISTER" || ! search("^Record-Route:")) { 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 }; setflag(1); # used for acc. if (method=="INVITE") log(1, "INVITE message received\n"); if (method=="ACK") log(1, "ACK message received\n"); if (method=="BYE") log(1, "BYE message received\n"); if (method=="CANCEL") log(1, "CANCEL message received\n"); if (!method=="REGISTER") record_route(); if (loose_route()) { route(1); break; }; if (uri!=myself) { route(1); break; }; if (method=="REGISTER") { save("location"); break; }; if (method=="INVITE") { if (avp_db_load("$ruri/username", "s:fwdnoanswer")) { setflag(27); log(1, "dbg: FWDBUSY/FWDNOANSWER recorded!\n"); lookup("location"); }; }; t_on_failure("1"); route(1); } route[1] { if (isflagset(6)) force_rtp_proxy(); if (isflagset(28)){ avp_pushto("$ruri", "s:fwdnoanswer"); append_branch(); lookup("location"); xlog("L_INFO", "No answer, relaying after lookup. method <%rm> From <%fu> To <%tu> Contact <%ct> r-uri <%ru>\n"); }; t_relay(); } failure_route[1] { if (t_check_status("487")) { break; }; if (isflagset(27) && t_check_status("408")) { revert_uri(); setflag(28); route(1); }; }

18 years, 1 month

[Serusers] to many hops

by alex wood

i keep getting to many hops when i enable the mysql feature in ser useing http://www.iptel.org/ser/doc/ser-howto/ser-Howto.html and the latest version of ser im on cent os 4.3 server ed i think its 4.3 i think thats all the info you need. thanks Alex Wood

18 years, 1 month

[Serusers] Review ser.cfg - SER NAT RTPProxy PSTN Gateway

by Ronald Voermans

Hello, I have a question regarding my ser.cfg. First let me explain our situation. I have a SER server (actually openser) behind a NAT firewall (Cisco PIX, which is doing SIP ALG). The SER server has ip address 10.254.254.1 which is translated by de NAT Firewall to a public IP address. Behind the SER we have a connect with a telco who provides us a SIP PSTN gateway. It's IP address is 10.166.38.108 (so, also private). Remote clients connect to our SER via the public IP address of the SER. For this to work, I use RTPProxy for all sessions. So I do NO client_nat tests or whatsoever. Most of the time, all calls go well. However sometimes when a UAC retransmits INVITE requests, the retransmitted responses display the wrong proxy-address (for RTPProxy). For example, when the UAC does 4 INVITE request (so 1 request, and 3 retransmissions), 3 of the responses have SDP with 10.254.254.1 in their body. The last one doesn't change the SDP address, but has 10.166.38.108 in its body. What could be causing this? Clients obviously don't get audio in their conversation. Next, since I wrote the ser.cfg by my own, it would be nice if some of you could review my ser.cfg and, if needed, give me some suggestions etc. Thank you all very much in advance, My ser.cfg: ######################################################################## ###################################### debug=3 fork=yes log_stderror=no #debug=4 #fork=no #log_stderror=yes listen=10.254.254.1 port=5060 children=4 dns=no rev_dns=no fifo="/tmp/openser_fifo" fifo_db_url="mysql://XXX:XXX@localhost/ser" fifo_mode=0666 loadmodule "/usr/local/lib/openser/modules/mysql.so" loadmodule "/usr/local/lib/openser/modules/sl.so" loadmodule "/usr/local/lib/openser/modules/tm.so" loadmodule "/usr/local/lib/openser/modules/rr.so" loadmodule "/usr/local/lib/openser/modules/maxfwd.so" loadmodule "/usr/local/lib/openser/modules/usrloc.so" loadmodule "/usr/local/lib/openser/modules/registrar.so" loadmodule "/usr/local/lib/openser/modules/auth.so" loadmodule "/usr/local/lib/openser/modules/auth_db.so" loadmodule "/usr/local/lib/openser/modules/uri.so" loadmodule "/usr/local/lib/openser/modules/uri_db.so" loadmodule "/usr/local/lib/openser/modules/mediaproxy.so" loadmodule "/usr/local/lib/openser/modules/nathelper.so" loadmodule "/usr/local/lib/openser/modules/textops.so" loadmodule "/usr/local/lib/openser/modules/domain.so" loadmodule "/usr/local/lib/openser/modules/permissions.so" loadmodule "/usr/local/lib/openser/modules/acc.so" loadmodule "/usr/local/lib/openser/modules/xlog.so" loadmodule "/usr/local/lib/openser/modules/exec.so" loadmodule "/usr/local/lib/openser/modules/group.so" modparam("auth_db|permissions|uri_db|usrloc|acc|domain|group", "db_url", "mysql://XXX:XXX@localhost/ser") modparam("auth_db", "calculate_ha1", 1) modparam("auth_db", "password_column", "password") modparam("nathelper", "natping_interval", 30) modparam("nathelper", "ping_nated_only", 1) modparam("nathelper", "rtpproxy_sock", "/var/run/rtpproxy.sock") modparam("usrloc", "db_mode", 2) modparam("registrar", "nat_flag", 6) modparam("rr", "enable_full_lr", 1) modparam("rr", "append_fromtag", 1) modparam("tm", "fr_inv_timer", 27) modparam("tm", "fr_inv_timer_avp", "inv_timeout") modparam("permissions", "db_mode", 1) modparam("permissions", "trusted_table", "trusted") modparam("acc", "log_level", 1) modparam("acc", "log_flag", 1) modparam("acc", "db_flag", 1) route { # ----------------------------------------------------------------- # Sanity Check Section # ----------------------------------------------------------------- if (search("User-Agent: Grandstream")) { replace("UPDATE,", ""); } if (search("Server: Cisco ATA.*")) { replace(", UPDATE", ""); } if (search("User-Agent: Cisco ATA.*")) { replace(", UPDATE", ""); } if (!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); exit; }; if (msg:len > max_len) { sl_send_reply("513", "Message Overflow"); exit; }; # ----------------------------------------------------------------- # Record Route Section # ----------------------------------------------------------------- if (method!="REGISTER") { record_route(); }; # ----------------------------------------------------------------- # Call Tear Down Section # ----------------------------------------------------------------- if (method=="BYE" || method=="CANCEL") { unforce_rtp_proxy(); }; # ----------------------------------------------------------------- # Loose Route Section # ----------------------------------------------------------------- if (loose_route()) { if (has_totag() && (method=="INVITE" || method=="ACK")) { setflag(6); force_rport(); fix_nated_contact(); force_rtp_proxy(); }; route(1); exit; }; # ----------------------------------------------------------------- # Call Type Processing Section # ----------------------------------------------------------------- if (!is_uri_host_local()) { if (is_from_local() || src_ip=="10.166.38.108") { route(4); route(1); } else { sl_send_reply("403", "Forbidden"); }; exit; }; if (method=="CANCEL") { route(1); exit; } else if (method=="INVITE") { route(3); exit; } else if (method=="REGISTER") { route(2); exit; } else if (method=="ACK") { # Added 28-3-06: I won't send a reply for ACK! route(1); exit; }; lookup("aliases"); if (uri!=myself) { route(4); route(1); exit; }; if (!lookup("location")) { sl_send_reply("404", "User Not Found"); exit; }; route(1); } route[1] { # ----------------------------------------------------------------- # Default Message Handler # ----------------------------------------------------------------- t_on_reply("1"); setflag(1); if (!t_relay()) { if (method=="INVITE" || method=="ACK") { unforce_rtp_proxy(); }; sl_reply_error(); }; } route[2] { # ----------------------------------------------------------------- # REGISTER Message Handler # ----------------------------------------------------------------- sl_send_reply("100", "Trying"); if (!search("^Contact:[ ]*\*")) { setflag(6); fix_nated_register(); force_rport(); }; if (!www_authorize("","subscriber")) { www_challenge("","0"); return; }; if (!check_to()) { sl_send_reply("401", "Unauthorized"); return; }; consume_credentials(); if (!save("location")) { sl_reply_error(); }; } route[3] { # ----------------------------------------------------------------- # INVITE Message Handler # ----------------------------------------------------------------- if (!src_ip=="10.166.38.108") { if (!proxy_authorize("","subscriber")) { proxy_challenge("","0"); return; }; consume_credentials(); }; setflag(6); lookup("aliases"); if (uri!=myself) { route(4); route(1); return; }; if (!lookup("location")) { if (uri=~"^sip:0[0-9]*@") { # PSTN route(5); return; }; sl_send_reply("404", "User Not Found"); return; }; route(4); route(1); } route[4] { # ----------------------------------------------------------------- # NAT Traversal Section # ----------------------------------------------------------------- if (isflagset(6)) { force_rport(); fix_nated_contact(); force_rtp_proxy(); }; } route[5] { # ----------------------------------------------------------------- # PSTN Handler # ----------------------------------------------------------------- rewritehost("10.166.38.108"); # INSERT YOUR PSTN GATEWAY IP ADDRESS avp_write("i:45", "inv_timeout"); route(4); route(1); } onreply_route[1] { if (search("Server: Cisco ATA.*")) { replace(", UPDATE", ""); } if (search("User-Agent: Grandstream")) { replace("UPDATE,", ""); } if (isflagset(6) && (status=~"180|183|2[0-9][0-9]")) { if (search("application/sdp")) { force_rtp_proxy(); }; }; fix_nated_contact(); } ######################################################################## ################ Regards, Ronald

18 years, 1 month

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sr-users April 2006