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37510 discussions

[Users] Internet Providers changing the SIP headers
by Bruno Machado 25 Aug '06

25 Aug '06

Hi fellows. We are in trouble with this "deceitful" error. I mean, errors. Look at RURI. Our proxy receive this "thing". We have a number there! Sometimes, this number is shown within the word REGISTER, like that: "REGI:34846:STER". We can rewrite the URI, but Openser doesnt understand the method "REGI:34846:STER". Second error: Via header. The REGISTER is showing the NAT_DEVICE_IP instead UA_IP. And this VoIP isnt behind any VoIP device! So, "who" are changing it? "Who" can does it? Is possible that some "device" between UA and our proxy change the headers intentionaly? This kind of problem had been happening some months ago and began at the same day to VoIPs were different regions of the country (Brazil). We would like to know with someone already has face it. Thank you all. Bruno Machado U NAT_DEVICE_IP:50764 -> PROXY_IP:5060 REGISTER :50764sip:proxy.com.br SIP/2.0 Via: SIP/2.0/UDP NAT_DEVICE_IP:50765;branch=z9hG4bK427600003ca00000 From: <sip:7011423@proxy.com.br>;tag=ab510000bf39ffff To: <sip:7011423@proxy.com.br> Contact: * Call-ID: 499effff9ff20000(a)192.168.1.5 CSeq: 100 REGISTER Expires: 0 User-Agent: Grandstream HT386 1.0.3.17 Max-Forwards: 70 Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE Content-Length: 0 U PROXY_IP:5060 -> NAT_DEVICE_IP:50765 SIP/2.0 407 Proxy Authentication Required Via: SIP/2.0/UDP NAT_DEVICE_IP:50765;branch=z9hG4bK427600003ca00000 From: <sip:7011423@proxy.com.br>;tag=ab510000bf39ffff To: <sip:7011423@proxy.com.br>;tag=22aae43fbf528d3860ded8429db379db.546f..Call-ID: 499effff9ff20000(a)192.168.1.5 CSeq: 100 REGISTER Proxy-Authenticate: Digest realm="proxy.com.br", nonce="44edfeda1fe71fa609e7599bf2513e999e3741dd" Content-Length: 0 --------------------------------- Novidade no Yahoo! Mail: receba alertas de novas mensagens no seu celular. Registre seu aparelho agora!

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[Users] How to configure openser as a redirect server
by Padmaja RV 25 Aug '06

25 Aug '06

Hi all, I need to implement Openser as a redirect server for all the 3XX class of responses. I have checked the redirect.cfg example in the cvs and it includes only for the 300 response. The other two like 302 moved temporarily or 301 moved permanently are not included anywhere. Can anybody send me the script for the same? Thank You, Padmaja

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[Serusers] maximum number of routes?
by Jean-Michel Hiver 25 Aug '06

25 Aug '06

Hi, I have found that ser yields an error when using up to 20 routes (i.e. route[20] block) and openser 40 routes. Is there an option to increase the number of routes ser can handle? Cheers, Jean-Michel.

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[Serusers] avpops & usr_preferences -- multiple username/domain/attr sets
by O'Shaughnessy Evans 25 Aug '06

25 Aug '06

Hello. I'm trying to implement serial forking with the avpops module, but I've run into a small stumbling point. If I want to store more than 1 forwarding contact in the usr_preferences table, I can't because the table as originally defined from the ser codebase sets up (username, domain, attribute) as a primary key. To get around this, is it normal to use a different table that doesn't require that tuple to be unique, or is it recommended to change the definition of the usr_preferences table? In that case, what should the unique key be, if any? Thanks. -- = o'shaughnessy_evans -=- sys_admin @ (aloha|ilhawaii|myworld|turquoise).net = Pacific LightNet, Inc.

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[Users] NAT traversal with mediaproxy on natted private address
by Simon Morvan 25 Aug '06

25 Aug '06

+----------+ +-----+ +------+ |OpenSER | +------+ |Phone| |Router| |MediaProxy| |Router| +-----+ +------+ +----------+ +------+ | | | | | | --------------------- -------------------------- -------------- Internet Private LAN A Private LAN B Here is the situation : SIP phones are in a private LAN A. They can speak with the server hosting openser and mediaproxy which is located on private LAN B. This server can speak with the internet through a router that nat (1:1) its private IP on a public one. To be able to interconnect inside sip phone with outside ones, openser must advertise the private address of the mediaproxy to the inside sip phones and its public (nated) address to the outside sip phones. But afaik , the media proxy module doesn't let me dynamically choose the IP which replace the phone IP in the SDP. How do you think I can get through this ? -- Simon Morvan.

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[Users] Call a stored procedure
by Miroslaw Nawrot 24 Aug '06

24 Aug '06

Hi, Does someone have an axample of using avp_db_query() with a mysql stored procedure? I keep getting an error "submit_query: PROCEDURE openser.sp_getrouteinfo can't return a result set in the given context" whenever I pass a stored procedure call to that functions. Thanks. Mirek N Globalive Communications Corp. The Future of Voice T:416-640-1088 F:416-640-1089 60 Adelaide St E, 6th Floor Toronto, ON, M5C 3E4 www.globalive.com

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[Users] openser admin
by Mike Williams 24 Aug '06

24 Aug '06

All, OpenSER Admin version 0.3 has been released. This fixes the bug where compatibility with openserctl was broken, and adds the ability to add other management accounts to the interface. Let me know what you think. Thanks, Mike Williams

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[Users] How to change domain when REGISTERing UA?
by Dmitry Lyubimkov 24 Aug '06

24 Aug '06

Hi! Description of the problem: The some UA can send only IP addresses as domains. Some subscribers incorrectly configure their UA and as a result as the domain IP of SIP Proxy comes. In result in the table location the part of subscribers has the symbolical domain (voapp.ru) and part - IP address of SIP Proxy (62.33.22.14) It leads to to the certain complexities in switching incming calls. The problem disappears if to tell: modparam("usrloc", "use_domain", 0) modparam("registrar", "use_domain", 0) And use only names without domains. But in our case it does not approach since we have some independent domains. I tried to rewrite fields From and To route(8); save("location"); route[8] { #correct From and To in REGISTER messages with IP address instead of domain name if (search("From:.*@[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+.*") or search("To:.*@[0-9+\.[0-9]+\.[0-9]+\.[0-9]+.*")) { subst("/^From:(.*)sip:(.*)@([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(.*)/Fr om:\1sip:\2@voapp.ru\7/i"); subst("/^To:(.*)sip:(.*)@([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(.*)/To:\ 1sip:\2@voapp.ru\7/i"); xlog("L_ERR", "REGISTER From To done\n"); return(-1); }; return(1); } Fields varied but function save took their not changed values from initial message. After that I have tried to send REGISTER message once again to myself for processing: if (!route(8)) { t_relay(); } else { save("location"); }; In this case in the location table there was a record with the corrected name of the domain. But in Contact field there was an address of SIP Proxy server instead of address of UA. Can anybody prompt idea how to to change domain in From To fields at reception of REGISTER message? Tnx. How to change domain when REGISTERing UA? Hi! Description of the problem: The some UA can send only IP addresses as domains. Some subscribers incorrectly configure their UA and as a result as the domain IP of SIP Proxy comes. In result in the table location the part of subscribers has the symbolical domain (voapp.ru) and part - IP address of SIP Proxy (62.33.22.14) It leads to to the certain complexities in switching incming calls. The problem disappears if to tell: modparam("usrloc", "use_domain", 0) modparam("registrar", "use_domain", 0) And use only names without domains. But in our case it does not approach since we have some independent domains. I tried to rewrite fields From and To route(8); save("location"); route[8] { #correct From and To in REGISTER messages with IP address instead of domain name if (search("From:.*@[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+.*") or search("To:.*@[0-9+\.[0-9]+\.[0-9]+\.[0-9]+.*")) { subst("/^From:(.*)sip:(.*)@([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(.*)/Fr om:\1sip:\2@voapp.ru\7/i"); subst("/^To:(.*)sip:(.*)@([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(.*)/To:\ 1sip:\2@voapp.ru\7/i"); xlog("L_ERR", "REGISTER From To done\n"); return(-1); }; return(1); } Fields varied but function save took their not changed values from initial message. After that I have tried to send REGISTER message once again to myself for processing: if (!route(8)) { t_relay(); } else { save("location"); }; In this case in the location table there was a record with the corrected name of the domain. But in Contact field there was an address of SIP Proxy server instead of address of UA. Can anybody prompt idea how to to change domain in From To fields at reception of REGISTER message? Tnx. Dmitry

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RE: [Serusers] Alternate port for rewritehost
by Stephen Helfen 24 Aug '06

24 Aug '06

Thanks...found it 2 seconds after sending the email! :PDate: Thu, 24 Aug 2006 21:21:10 +0200From: greger(a)teigre.comTo: steve_helfen(a)hotmail.comCC: serusers(a)iptel.orgSubject: Re: [Serusers] Alternate port for rewritehost Use rewritehostport("domain:5060") g-) Stephen Helfen wrote: All, I am receiving SIP traffic on a non-5060 port but need to change the port of the rewritehost to 5060 as the carrier is dropping my INVITE messages with the non-5060 port. Any suggestions? Thanks, Steve Search from any Web page with powerful protection. Get the FREE Windows Live Toolbar Today! Try it now! _______________________________________________ Serusers mailing list Serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers _________________________________________________________________ Check the weather nationwide with MSN Search: Try it now! http://search.msn.com/results.aspx?q=weather&FORM=WLMTAG

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[Serusers] SER and RTPproxy?!
by Caxton 24 Aug '06

24 Aug '06

Hi all: The document metion that "RTPproxy will not be installed on the SER server, but on a remote machine." If I install SER on "192.168.1.3", and install RTPproxy on "192.168.1.5". How do they work? Now, I install they on a same machine, and I run SER first, then usr command "rtpproxy -l xxx.xxx.xxx.xxx" to force rtpproxy. The SIP client can register behind NAT, but there are some problem with RTP stream. I found that RTP strem is able to relay to this machine, but this machine do not transmit those data to destination!! PC(A) Server(SER+RTPproxy) PC(B) RTP Stream(A) RTP Stream(B) 1. ----------------------------> <---------------------------- 2. Receive RTP stream A and B 3. Server should transmit RTP stream(A) to PC(B) and RTP stream(B) to PC(A), but this step do not work. (I am not sure that server does not forward the RTP packets or Clients do not receive RTP packet.) What is the problem? How should I operate if RTPproxy install on another machine? Because the command "rtpproxy" will not be used on the machine which have installed SER. Please help me, thank you. Regards, Caxton

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