sr-users February 2005

sr-users@lists.kamailio.org

215 participants
467 discussions

by Jhon miller

Hi all, Could any one help me to understand the back-up servers concept. In the RFC 3263, section 2 says the following " It is possible for elements to fail in the middle of a transaction. For example, after proxy 2 forwards the request to UA 2, proxy 1 fails. UA 2 sends its response to proxy 2, which tries to forward it to proxy 1, which is no longer available. The second aspect of the flow in the introduction for which DNS is needed, is for proxy 2 to identify a backup for proxy 1 that it can send the response to." This talks about the Proxy 2's work ,but how the backup server will collect the Details of the calls handled by the Proxy 1?. Thanks in advance John Miller -- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm

19 years, 9 months

[Serusers] SER compliance with IETFs RFCs and drafts

by regine.vital＠bull.net

Hello, Please, is anybody able to provide the complete list of RFCs and drafts SER is compliant to: - in the current official release 8.14 - in the source archive ? Thank you for your help

19 years, 9 months

[Serusers] error in Sql query, line 43

by Rosario Pingaro

It was a permission problem. Thanks but now I have another problem when I click on email link to confirm a subdcription I get this error: error in Sql query, line 43. It is about confirmation.php but I didnt find anything strange. Any help? thanks ----- Original Message ----- From: "Terry Wilson" <otherwiseguy(a)gmail.com> To: "Rosario Pingaro" <rpingar(a)italycom.it> Sent: Thursday, February 10, 2005 7:19 PM Subject: Re: [Serusers] Warning: fopen(/tmp/ser_fifo): >> When I access the serweb I get this error: >> >> Warning: fopen(/tmp/ser_fifo): failed to open stream: Permission denied >> in >> /usr/local/apache2/htdocs/serweb/functions.php on line 206 >> >> Howto fix it? > > Try adding 'fifo_mode=0666' to your ser.cfg file and restarting ser. >

19 years, 9 months

[Serusers] Could SER-0.9 Be Crashing My ATAs?

by Java Rockx

Hi All. I'm using ser-0.9 with mediaproxy-1.2.0 We've been trying to track down a problem whereby different ATAs stop working either partially or crash entirely. We have a UTstarcom iAN-02EX with firmware 1.8.2.15a (released a few weeks ago). When I telnet to the ATA and enable debug messages I see this: Not a valid SIP request! Error: Parse error... The above error is generated everytime SER sends a UDP keep-alive packet shown below: 23:35:21.494441 pcp02356144pcs.clbrtn01.fl.comcast.net.5060 > ssvsoho137.smartcity.net.58317: udp 4 (DF) [tos 0x10] 0x0000 4510 0020 69c2 4000 4011 24ee 4454 f278 E...i.@.@.$.DT.x 0x0010 425a 32e6 13c4 e3cd 000c 5c37 0000 0000 BZ2.......\7.... Can anyone tell me if this is a SER issue or not? Regards, Paul

19 years, 9 months

[Serusers] HELPME SER+NATHELPER+RTPPROXY

by Sergio Gerardo Festa

Hello it help that version I have to use so that operate correctly SER+NAT+RTPPROXY SER version =? Nathelper version =? Rtpproxy version=? thanks Saludos. A su Disposición. Sergio Gerardo Festa Dto. Técnica TEL 011-52190654/52/53 // 4334-1014 24HS 011-15-5337-9684

19 years, 9 months

RE: [Serusers] UDP Fragmentation Problem

by Giudice, Salvatore

How large are the sip messages? Do you have an SBC deployed at one/both locations? I've observed that SER will truncate message that it forwards if they become too large. This is usually happens with two clients behind an SBC when large via parameter have been inserted to maintain SBC state within the sip dialog. Both Ingate and Jasomi products do this for example. The result of these large via's is that the message become too large and SER tend to truncate the SDP portion of the message. The connection generally sets up with regard to signaling, but the media path always fails. I have observed this behavior while making a sip to sip call between two xten clients, both positioned behind an ingate separator. Both clients were registered to the same SER with RtpProxy (Redhat Enterprise AS 3.0). -----Original Message----- From: Andrei Pelinescu-Onciul [mailto:pelinescu-onciul@fokus.fraunhofer.de] Sent: Monday, November 01, 2004 12:32 PM To: Bastian Schern Cc: serusers(a)lists.iptel.org Subject: Re: [Serusers] UDP Fragmentation Problem On Oct 30, 2004 at 01:28, Bastian Schern <ml01(a)in-bln.de> wrote: > Hi everybody, > > I've got no success to get a friend in Bogota (Colombia) connected to my > SER. He has got a ISDN Internet connection and the UDP packets will be > fragmented. It seems that the MTU of this connection is round about 400 > to 500 Bytes. Therefore most UDP-SIP packages are fragmented. > Is SER not able to handle fragmented UDP packages? The packets are defragmented by the ip stack of the OS, so ser doesn't really care if they arrive fragmented or not. > Is it possible to use SIP over TCP with X-Lite? > Or has somebody another hint for me? If you plan to use TCP, keep in mind that nat traversal won't work (if you use it). Andrei _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

19 years, 9 months

[Serusers] Symmetric NATs and RTP Proxy - Question

by Darren Sessions

We currently do not use an RTP proxy in our service (so the audio does not ride our internet bandwidth). Our biggest issue at the moment is the redundancy between two SER servers in dealing with symmetric NATs (specifically dealing with the individual SER server unique IP addresses and the far end customer's symmetric NAT). If we were to use an RTP proxy, as a backup mechanism for dealing with NATs, would this alleviate the issue of multiple SER servers and symmetric NATs?

19 years, 9 months

[Serusers] Any way to send a reply to a UA that will put it back to a dial tone?

by Evan Borgstrom

Does anyone know a way to send a response to a user agent that will force it to return to a dial tone. I've been through the RFC's and can't really find anything and I'm assuming that it's not possible but I thought I'd ask. -Evan

19 years, 9 months

[Serusers] SER and Radius, call control question.

by Tom Gaudasinski

Greetings, I'd like to know a few things. First, can SER control whether a call is connected or not through radius? For example, SER contacts radius and radius returns whether the user is allowed to make the call or not, then SER dials out or not depending on the answer. So this could be per destination and per user, some users not being able to call to certain destinations. Is this possible? If so, could someone provide a small example. Also I'd like to know what acc_rad_request() returns, is it a bool? What is it's purpose, does it help with the formentioned problem, or is this acc_rad only to do with CDR style data dumping? Thank you.

19 years, 9 months

[Serusers] serctl moni question.

by Ricardo Martinez

Hello list. I used the "serctl moni" command and i have found these statistics : Transaction Statistics Current: 0 (40 waiting) Total: 584 (0 local) Replied localy: 1082 Completion status 6xx: 27, 5xx: 7, 4xx: 212, 3xx: 0,2xx: 356 I'm particular interested in the Transactions Statics - Current and the 40 Waiting. Does this means something? Thanks in advance. Ricardo Martinez

19 years, 9 months

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sr-users February 2005