Hi , How about the force_rtp_proxy? Where should I appropriate apply this command? The current Nat module have no problem going through from

Newtwork to Symmetric Network right? Thank you for your answer it really helps!!! :) Regards, Shirley >-----Original Message----- >From: Klaus Darilion [SMTP:klaus.mailinglists@pernau.at] >Sent: Thursday, February 26, 2004 8:18 PM >To: Shirley Toh >Cc: SER Users (E-mail) >Subject: Re: FW: [Serusers] Rtpproxy > >start ethereal on the machine with the SIP&RTP proxy. as filter use: UDP >Then take a look at the SIP messages. The nathelper module has to >rewrite the IP-address and the port in the SDP of the INVITE and the 200

>OK message. > >klaus > >Shirley Toh wrote: > > >>Hi, >> >>thank you for replying.... >> >>Yes my UA do support Symmetric. What are the things that I have to take > >note > > >>on the messages that whether the messages is properly written? And how > >can I > > >>check the IP address and port on the RTP traffic? Please help...is > >really > > >>greatly appreciated. >> >> >>Regards, >>Shirley >> >> >> >> >>>-----Original Message----- >>>From: Klaus Darilion [SMTP:klaus.mailinglists@pernau.at] >>>Sent: Thursday, February 26, 2004 5:56 PM >>>To: Shirley Toh >>>Cc: SER Users (E-mail) >>>Subject: Re: FW: [Serusers] Rtpproxy >>> >>>You have to provide more information. Which clients (do they support >>>symmetric RTP?). Take a look at SIP messages when they arive at the >>>proxy and when they are forwarded and vrify that the messages are >>>properly rewritten by the nathelper module. >>> >>>Check if there is any RTP traffic going to the RTPproxy and if it is >>>forwarded to the proper IP address and port. >>> >>>regards, >>>Klaus >>> >>>Shirley Toh wrote: >>> >>> >>> >>> >>>>Hi, >>>> >>>>I am using the code below. When I am dialing through this scenario

>>>>UA1(Symmetric NAT) ----> SER ---> UA2 (Symmetric NAT) >>>>. I hear no audio and I haev no error in my route. Please kindly

>>>is >>> >>> >>> >>>>there something missing or I need to have extra components. I am

>>>CVS >>> >>> >>> >>>>rel_0.8.12 and latest rtpproxy!!! Help Help!!! >>>> >>>>Regards, >>>>Shirley >>>> >>>> >>>> >>>> >>>> >>>>>-----Original Message----- >>>>>From: Shirley Toh >>>>>Sent: Wednesday, February 25, 2004 6:37 PM >>>>>To: SER Users (E-mail) >>>>>Subject: FW: [Serusers] Rtpproxy >>>>> >>>>>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

>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

>>>>>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

>>>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 >>> >>>private >>> >>> >>> >>>>>IP, rewriting\n"); >>>>> >>>>> >>>>> >>>>> >>>>>> fix_nated_contact(); # Rewtite contact with >>>>> >>>>>source IP of signalling >>>>> >>>>> >>>>> >>>>> >>>>>> if(method== "INVITE"){ >>>>>> fix_nated_sdp("1"); # Add >>>>> >>>>>direction-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