Hi
I have problem calling through UA behind Symmetric network? Please advice any solution to this problem. Thank you!!!
UA1(Symmetric NAT) ----> SER ---> UA2 (Symmetric NAT)
Regards, Shirley
-----Original Message----- From: Shirley Toh Sent: Tuesday, February 24, 2004 9:09 PM To: 'Jan Janak' Subject: RE: [Serusers] Rtpproxy
Hi,
Thank you for your answer.
Can I check the latest module in CVS does it support to call from Symmetric network to Symmetric network?Please help. If can what sgould I take note in the commands?
Regards, Shirley
-----Original Message----- From: Jan Janak [SMTP:jan@iptel.org] Sent: Tuesday, February 24, 2004 8:35 PM To: Shirley Toh Cc: SER Users (E-mail) Subject: Re: [Serusers] Rtpproxy
You are calling force_rtp_proxy or fix_nated_sdp on a message with empty body. Make sure that you call the functions from the script only when the message contains SDP body (usually INVITE and 200 OK).
Jan.
On 24-02 11:36, Shirley Toh wrote:
Hi,
Can anyone help me!! I am having this error on my log file when I try to make calls. I have attached my ser.cfg. Please help!! Thanks!!
Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20404]: ERROR: send_rtpp_command: can't read reply from a RTP proxy Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20413]: ERROR:
extract_body:
message body has lenght zero Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20413]: ERROR: force_rtp_proxy: can't extract body from the message Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20413]: ERROR: on_reply processing failed Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20417]: ERROR:
extract_body:
message body has lenght zero Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20417]: ERROR: force_rtp_proxy: can't extract body from the message Feb 24 11:29:54 sipserver2 /usr/local/sbin/ser[20417]: ERROR: on_reply processing failed Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20417]: ERROR:
extract_body:
message body has lenght zero Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20417]: ERROR: force_rtp_proxy: can't extract body from the message Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20417]: ERROR: on_reply processing failed Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20407]: ERROR:
extract_body:
message body has lenght zero Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20407]: ERROR:
fix_nated_sdp:
cannot extract body from msg! Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20407]: ERROR:
extract_body:
message body has lenght zero Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20407]: ERROR: force_rtp_proxy: can't extract body from the message Feb 24 11:30:24 sipserver2 /usr/local/sbin/ser[20407]: ERROR: on_reply processing failed
<<ser.cfg.txt>>
regards, shirley
# # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $ # # simple quick-start config script #
# ----------- 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 debug=7 fork=no log_stderror=yes */
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" mhomed=yes
# ------------------ 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/nathelper.so" loadmodule "/usr/local/lib/ser/modules/textops.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"
# 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)
# -- 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)
# -- Nathelper -- modparam("registrar" , "nat_flag", 6) modparam("nathelper", "natping_interval", 60) modparam("nathelper", "ping_nated_only", 1)
# ------------------------- 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")) { sl_send_reply("483","Too Many Hops"); break; }; if ( msg:len > max_len ) { sl_send_reply("513", "Message too big"); break; }; #!! Nathelper if (nat_uac_test("3")){ if (method == "REGISTER"){ log("LOG:Someone trying to register from privateIP, rewriting\n");
fix_nated_contact(); # Rewtite contact withsource IP of signalling
if(method== "INVITE"){ fix_nated_sdp("1"); # Adddirection-active to SDP
}; force_rport(); setflag(6); }; }; # 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 record_route(); # loose-route processing if (loose_route()) { t_relay(); break; }; # if the request is for other domain use UsrLoc # (in case, it does not work, use the following command # with proper names and addresses in it) if (uri==myself) { if (method=="REGISTER") { save("location"); break; }; # native SIP destinations are handled using our USRLOCDB
if (!lookup("location")) { sl_send_reply("", "Connecting"); break; }; }; if (isflagset(6)){ force_rtp_proxy(); }; t_on_reply("1"); # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP if (!t_relay()) { sl_reply_error(); break; };}
# all incoming replies for t_onrepli-ed transactions enter here onreply_route[1] { if (isflagset(6) && status=~"(183)|2[0-9][0-9]") { fix_nated_contact(); fix_nated_sdp("1"); force_rtp_proxy(); }else if(nat_uac_test("1")){ fix_nated_contact(); force_rtp_proxy(); };
}
Serusers mailing list serusers@lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers