sr-users December 2003

sr-users@lists.kamailio.org

108 participants
257 discussions

[Serusers] Bandwidth question
by jerk face 17 Dec '03

17 Dec '03

Hello. I was just curious how SER handles calls with its own members. For example: I want to have around 10 users on my SER. If one calls the other, does the bandwidth get channeled through my server, or is the call handed off, directly connecting the users and saving my bandwidth? __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/

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RE: [Serusers] Nat Helper / RTPproxy
by Klaus Darilion 17 Dec '03

17 Dec '03

> -----Original Message----- > From: Dinesh [mailto:feedbak@imelhk.com] > Sent: Wednesday, December 17, 2003 10:10 AM > To: serusers(a)lists.iptel.org > Subject: [Serusers] Nat Helper / RTPproxy > > > Hello All, > > I have a couple of questions Regarding NatHelper & RTPproxy > 1. Does NAThelper assist in NAT traversal when STUN cannot manage due > to Symmetric NAT. yes > > 2. Does NAThelper provide any help when NOT used in conjunction with > RTPproxy. yes, you can rewrite contact and sdp if the UA sends out internal IP address. > > 3. Are there any SER.cfg settings that are suggested to get started > with NAThelper. (We are using grand stream devices in > addition to a few > ATA) > nathelper.cfg in http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/etc/ > 4. Am I correct in the assumption that if you use a RTPproxy > - all the > real time voice traffic is passed through your network connection? > yes! regards, klaus > Thanks & Regards, > Dinesh > > > Dinesh Mahbubani > The International Marketing Exchange Ltd. > Tel: (852) 2541-2617 > Fax (852) 2543-4537 > > > _______________________________________________ > Serusers mailing list > serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers > >

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[Serusers] added domain_suffix parameter to enum_query
by Juha Heinanen 17 Dec '03

17 Dec '03

some folks have asked domain_suffix as a parameter to enum_query. i just committed some changes for that purpose. the syntax now is (from README): 1.4.1. enum_query(), enum_query("suffix"), enum_query("suffix", "service") Replaces the current Request-URI with the result of a successful enum query on the user part of the current Request-URI, which is assumed to be of the form +up-to-15-decimal-digits. An NAPTR record whose flags field has string value "u" and whose services field has string value "e2u+service:sip" or "e2u+sip" (if "service" parameter is not given) is looked for. Returns -1 if enum_query fails and 1 otherwise. If "suffix" parameter is not given, value of domain_suffix module paremeter is used. Example 1-2. enum_query usage ... enum_query("e164.foo.com."); ... i did some testing on the first two versions of the call and it seemed to work. i didn't test the last version. this is in unstable. let me know if you find problems. -- juha

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[Serusers] zone file for enum
by Adrian Georgescu 17 Dec '03

17 Dec '03

Greg, You can test with Managed DNS if you wish. http://managed-dns.org >Can someone share a complete bind setup example for >enum support. I've been stabbing (unsuccessfully) all day. >I'm pretty good with DNS, just can't grasp the NAPTR thing. > >---greg Adrian Georgescu ag(a)ag-projects.com www.ag-projects.com ----------------------------- DNS and ENUM Management

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RE: [Serusers] SER can't resolve IP
by Klaus Darilion 16 Dec '03

16 Dec '03

please always cc: to the mailing list! > -----Original Message----- > From: jerk face [mailto:jerkface2098@yahoo.com] > Sent: Tuesday, December 16, 2003 8:48 PM > To: Klaus Darilion > Subject: RE: [Serusers] SER can't resolve IP > > > I added alias=X.X.X.X in ser.cfg but now I'm getting > the following error: > > Dec 16 14:48:53 DemoPBX ser: WARNING: could not rev. > resolve 67.70.231.219 > Dec 16 14:48:53 DemoPBX ser[3590]: ERROR: tcp_init: > bind(5, 0x80b4ae0, 16) on 127.0.0.1: Address already > in use > looks like some process is already listening on port 5060, therefore ser can't bind to port 5060! klaus > I also have this in my ser.cfg (if it makes a > difference): > if (uri==myself) { > if (method=="REGISTER") { > > # Uncomment this if you want to use digest > authentication > if (!www_authorize("X.X.X.X", > "subscriber")) { > > www_challenge("X.X.X.X", "0"); > break; > }; > > save("location"); > break; > }; > > > > --- Klaus Darilion <darilion(a)ict.tuwien.ac.at> wrote: > > yes! because "if (uri == myself) will only work if > > ser is able to > > determine the domain it is reliable for". > > > > you can force ser to be responsable for a certain > > domain using the alias > > directive, e.g.: > > > > alias=obelix.ict.tuwien.ac.at > > # ------------------ module loading > > ---------------------------------- > > > > > > regards, > > Klaus > > > > > -----Original Message----- > > > From: jerk face [mailto:jerkface2098@yahoo.com] > > > Sent: Tuesday, December 16, 2003 7:09 PM > > > To: Klaus Darilion > > > Subject: RE: [Serusers] SER can't resolve IP > > > > > > > > > The name of my PC is DemoSIP. It is in my hosts > > file. > > > Could this be why I'm having difficulties getting > > a > > > SIP device to register with my server? > > > > > > --- Klaus Darilion <darilion(a)ict.tuwien.ac.at> > > wrote: > > > > You have to configure the DNS server to reverse > > > > resolve your IP address > > > > to the name of your PC (DemoSIP ?). > > > > > > > > You could also to this by adding the domain name > > to > > > > your /etc/hosts > > > > file. > > > > > > > > Klaus > > > > > > > > > -----Original Message----- > > > > > From: jerk face > > [mailto:jerkface2098@yahoo.com] > > > > > Sent: Tuesday, December 16, 2003 6:39 PM > > > > > To: serusers(a)lists.iptel.org > > > > > Subject: [Serusers] SER can't resolve IP > > > > > > > > > > > > > > > Hello, > > > > > I just installed SER today and I'm having some > > > > > trouble. When I check /var/log/messages, I > > see > > > > the > > > > > following: > > > > > > > > > > Dec 16 12:39:16 DemoSIP ser: WARNING: could > > not > > > > rev. > > > > > resolve X.X.X.X > > > > > > > > > > Why can't ser resolve my IP address? How do I > > fix > > > > > this problem? > > > > > > > > > > Thank you for your time > > > > > > > > > > > > > > > __________________________________ > > > > > Do you Yahoo!? > > > > > New Yahoo! Photos - easier uploading and > > sharing. > > > > > http://photos.yahoo.com/ > > > > > > > > > > > > _______________________________________________ > > > > > Serusers mailing list > > > > > serusers(a)lists.iptel.org > > > > > > > http://lists.iptel.org/mailman/listinfo/serusers > > > > > > > > > > > > > > > > > > > ===== > > > Asterisk is my lover, and IAX2 is our scented > > lubricant > > > > > > __________________________________ > > > Do you Yahoo!? > > > New Yahoo! Photos - easier uploading and sharing. > > > http://photos.yahoo.com/ > > > > > > > > > ===== > Asterisk is my lover, and IAX2 is our scented lubricant > > __________________________________ > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing. > http://photos.yahoo.com/ > >

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[Serusers] zone file for enum
by Greg Fausak 16 Dec '03

16 Dec '03

Can someone share a complete bind setup example for enum support. I've been stabbing (unsuccessfully) all day. I'm pretty good with DNS, just can't grasp the NAPTR thing. ---greg

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RE: [Serusers] SER can't resolve IP
by Klaus Darilion 16 Dec '03

16 Dec '03

You have to configure the DNS server to reverse resolve your IP address to the name of your PC (DemoSIP ?). You could also to this by adding the domain name to your /etc/hosts file. Klaus > -----Original Message----- > From: jerk face [mailto:jerkface2098@yahoo.com] > Sent: Tuesday, December 16, 2003 6:39 PM > To: serusers(a)lists.iptel.org > Subject: [Serusers] SER can't resolve IP > > > Hello, > I just installed SER today and I'm having some > trouble. When I check /var/log/messages, I see the > following: > > Dec 16 12:39:16 DemoSIP ser: WARNING: could not rev. > resolve X.X.X.X > > Why can't ser resolve my IP address? How do I fix > this problem? > > Thank you for your time > > > __________________________________ > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing. > http://photos.yahoo.com/ > > _______________________________________________ > Serusers mailing list > serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers > >

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[Serusers] Re: [Serdev] Patch | nathelper & rtpproxy | multiple rtpproxy on route
by Maxim Sobolev 16 Dec '03

16 Dec '03

Can you please re-submit the patch against original sources, because it is really easier to work with the patch than with modified sources. Thanks! -Maxim dhiraj.2.bhuyan(a)bt.com wrote: > Hello List, > > Attached modified nathelper.c (SER nathelper module) and main.c (for rtpproxy). This will allow you to do the following - > > 1. Multiple RTP proxies on the path. > > eg. > > UA1 ------- SER/RTPproxy1------SER/RTPproxy2-------UA2 > > UA1 ---NAT---SER/RTPproxy1------SER/RTPproxy2---NAT----UA2 > > where UA1 and UA2 are registered to two different SERs. This is useful if you have two different service providers (SER1 and SER2) both providing nathelper/rtpproxy support to their registered clients. No change to the ser.cfg is required. (For the curious - how this works is - when force_rtp_proxy is called, before the media IP:port is replaced by that of the rtpproxy, a check is made if the original IP address is a private address - if yes, nathelper tells rtporoxy to wait for atleast one UDP packet from this end. But if the IP address is a globally routable one, nathelper passes this IP:port to rtpproxy) > > > 2. A UA with asymmetric RTP support (sending and receiving on different ports) but with a public IP address can now talk to rtpproxy (to reach a natted UA for example). Note that natted UAs still have to support symmetric RTP. > > eg. > > SUA1----NAT----SER/RTPproxy-----AUA2 > > SUA1 is a user agent with symmetric RTP support. > AUA2 is a user agent that does asymmetric RTP. > > > AUA1----SER/RTPproxy-----SER/RTPproxy-----AUA2 > > where you are forcing rtpproxy on both SERs. > > I have tested this with my own test settings. Let me know if you have any questions. Note that this will run only with the CVS version or SER (mine is 2nd Dec CVS download). > > Regards, > > Dhiraj Bhuyan > Network Security Specialist, > BT Exact Business Assurance Solutions > > Tel: +44 1473 643932 > Mob: +44 7962 012145 > Email: dhiraj.2.bhuyan(a)bt.com > > > ------------------------------------------------------------------------ > > _______________________________________________ > Serdev mailing list > serdev(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serdev

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[Serusers] SER can't resolve IP
by jerk face 16 Dec '03

16 Dec '03

Hello, I just installed SER today and I'm having some trouble. When I check /var/log/messages, I see the following: Dec 16 12:39:16 DemoSIP ser: WARNING: could not rev. resolve X.X.X.X Why can't ser resolve my IP address? How do I fix this problem? Thank you for your time __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/

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[Serusers] Any Test numbers..?
by Santosh Subramanian, Noida 16 Dec '03

16 Dec '03

Hi, I am able to register with iptel.org. Is there any test numbers to confirm whether my sip-phone works / not..? my id is <sip: san(a)iptel.org <mailto:san@iptel.org> > and my peers id is <sip:dheeraj@iptel.org> If both the phones are behind NAT, How to send SDP messages from UAC to UAS..? Thankyou. Kind Regards, Santhosh.S

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sr-users December 2003