sr-users February 2005

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215 participants
467 discussions

[Serusers] ERROR
by Clayton Assis 23 Feb '05

23 Feb '05

When I go to make a connection is appearing the following error in log: Feb 23 14:19:07 tob04 /usr/local/sbin/ser[43997]: ERROR: udp_send: sendto(sock,0x284690f8,9272,0,0x28462230,16): Message too long(40) Feb 23 14:19:07 tob04 /usr/local/sbin/ser[43997]: msg_send: ERROR: udp_send failed Feb 23 14:19:07 tob04 /usr/local/sbin/ser[43997]: ERROR: t_forward_nonack: sending request failed somebody would know what I am making of made a mistake?

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[Serusers] DNS SRV lookup issue
by Chetan Gandhi 23 Feb '05

23 Feb '05

Hi All, I am facing problem to get SER to do a SRV lookup. I have the following scenario… Step 1: SIP UA1 registers with SER (testdomain.com) with contact address user(a)testdomain.com SIP UA2 registers with SER (testdomain.com) with contact address user(a)testdomain.com Step 2: SIP UA3 calls user(a)testdomain.com. This results in error "478 Unresolveable destination" Problem I would expect SER to do a DNS SRV lookup on testdomain.com and get sip1.testdomain.com and sip2.testdomain.com. Unfortunately, SER only does A and AAAA query. (verified via ethereal) and does not do SRV lookup. How can I make it do SRV lookup ? I am using the default ser.cfg file. FYI: using host -t srv _sip._udp.testdomain.com gives me the correct SRV response. DNS entries _sip._udp.testdomain.com. 3600 IN SRV 0 1 5060 sip1.testdomain.com. _sip._udp.testdomain.com. 3600 IN SRV 0 1 5060 sip2.testdomain.com. Any pointers would be really appreciated. Thanks, Chetan

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[Serusers] CDRTool help !!!
by Nicolas Ruiz 23 Feb '05

23 Feb '05

Hi, Does anyone know how to configure CDRTool global.inc. I want to use it with SER ACC. I have this error : Database error: pconnect(db-log, cdradmin, $Password) failed. MySQL Error: () Session halted. Regards Vos Solutions Voix-Data ! Nicolas Ruiz Service Technique Ligne directe : + 33 (0) 1 56 38 39 71 Fax :+ 33 (0) 1 47 24 74 77 nruiz(a)vivaction.com Immeuble Plein Ouest 177 av. Georges Clemenceau 92024 Nanterre - France Tel : 0 811 02 6000 www.vivaction.com ____________________________________________________________________________ ____________________________________________ This e-mail and the information it contains are confidential and legally protected by law. Only access by the intended recipient is authorized. Review, distribution,reproduction, publication or other use of this e-mail is prohibited. Cet e-mail et les informations qu'il contient sont confidentiels et protégés par la loi. L'accès à ce message n'est autorisé qu'au destinataire de celui-ci. Toute modification,distribution, reproduction, publication, ou autre utilisation de cet e-mail est formellement interdite.

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RE: [Serusers] error revisited: I won't send a reply for ACK!!
by Roel van Dijk 23 Feb '05

23 Feb '05

Thanks, That is correct, it hits this part: if (!mf_process_maxfwd_header("10")) { sl_send_reply("483", "Too Many Hops"); break; }; And that is because the ACK keeps getting back at the SER. (It gets routed back to the SER itself, as described below). I want to solve this problem; the ACK should be routed to my UA, but apparently it does not since it's local IP address it not stated in the SIP header. (Only the public IP address of the SER-machine is stated in the SIP header.) Any other ideas? Roel > -----Original Message----- > From: Java Rockx [mailto:javarockx@gmail.com] > Sent: Wednesday, February 23, 2005 13:17 > To: Roel van Dijk > Cc: serusers(a)lists.iptel.org > Subject: Re: [Serusers] error revisited: I won't send a reply for ACK!! > > I had this problem just a while ago. It was report to me, from Richard > I think, that somewhere in my ser.cfg an ACK was hitting an > sl_send_reply() which is incorrect. > > ACK messages must hit a t_relay() to avoid this message. > > Regards, > Paul >

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[Serusers] error revisited: I won't send a reply for ACK!!
by Roel van Dijk 23 Feb '05

23 Feb '05

Here's my setup: NATed UAs -- firewall SER/RTPProxy (bridging mode) -- internet I'm using a slightly altered version of the 'alg.cfg' that comes with the nathelper module. I'm trying to call a UA inside my network from the internet using a public iptel.org account. Here's the trace of the SIP messages: UA1 firewall iptel | | <--INVITE-- | | | --trying--> | | <--INVITE-- | | | --trying--> | | | --ringing--> | | | --OK--> | | | | --OK--> | | | <--ACK-- | | ACK | | ACK | | ACK | | | | If we look at the ACK that comes back from Iptel, we see that the IP address of UA1 is missing, and therefore the routing fails, and never leaves the SER on the firewall (obscured IP addresses, but given a name): U IPTEL.IP.ADDRESS:5060 -> FIREWALL.PUBLIC.IP.ADDRESS:5060 ACK sip:126@FIREWALL.PUBLIC.IP.ADDRESS:5060 SIP/2.0..Record-Route: <sip:IPTEL.IP.ADDRESS;ftag=2664746953;lr=on>..Content-Length: 0..Contact: <sip:rdvdijk@HOME.PUBLIC.IP.ADDRESS:5060;nat=yes>..Call-ID: C8E48A38-6C23-42AB-9EF1-6213B2DF4CD0@192.168.0.2..Max-Forwards: 16..CSeq: 2 ACK..From:<sip:rdvdijk@iptel.org>;tag=2664746953..Route: <sip:FIREWALL.PUBLIC.IP.ADDRESS;ftag=2664746953;lr=on>..To: <sip:126@my.realm>;tag=947fb3ad8fdd13a6..User-Agent: SJLabs-SJphone/1.30.235d..Via: SIP/2.0/UDP IPTEL.IP.ADDRESS;branch=0..Via: SIP/2.0/UDP 192.168.0.2:5060;rport=5060;received=HOME.PUBLIC.IP.ADDRESS;branch=z9hG4 bKc0a800020131c9b1421c4c560000318a000000bc..P-hint: rr-enforced..P-NATed-URI: YES..P-RTP-Proxy: NO..P-Marked-Contact: YES..P-Behind-NAT: Yes.... As we see, the UA1's local IP address is nowhere to be found in the ACK coming back from Iptel. The other local IP address from my the iptel-account can be found (192.168.0.2). What we do see is: Route: <sip:FIREWALL.PUBLIC.IP.ADDRESS;ftag=2664746953;lr=on>, and the ACK is routed back to the SER a few times until I get this message in my logs: Warning: sl_send_reply: I won't send a reply for ACK!! When I hang up both sides, I see the same behaviour for the BYE message, which is routed back to the SER itself as well. So, what is my problem? Roel van Dijk PS config files can be supplied if needed, but it looks very much like the original alg.cfg, no serious changes as far as I can see.

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[Serusers] Dial plans problem
by braincrew.com 23 Feb '05

23 Feb '05

Hi guys, I'm experiencing troubles w/ dial plans. Here is part of my ser.cfg : if (is_user_in("From", "pstn-allowed")){ if (uri=~"^sip:0") { strip(0); t_relay(); log(0, "**************** LOCAL ***************\n"); break; break; break; } else { if (uri=~"^sip:[1-9]") { log(0, "\n\n************ PSTN ***********\n"); rewritehostport("xx.xx.xx.xx:5060"); append_branch("xx.xx.xx.xx"); t_relay(); t_relay_to_tcp("xx.xx.xx.xx", "5060"); log(0, "********************************************\n\n\n"); break; }; }; When I call local user 123456 this way 0123456 ( 0 is the prefix ) it's forwarded to the pstn gw???!!! If I call any pstn number it works fine... only internal calls doesn't work the way they have to. Somebody can tell me where's the problem. Thanks in advance!

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[Serusers] PSTN cause codes
by Adrian Georgescu 23 Feb '05

23 Feb '05

1 0

[Serusers] ACC&redirection question
by ser＠uraf.it.pl 23 Feb '05

23 Feb '05

Hi All, I'm presently working on a SER v. 0.8.14 with Postgres db module for accounting purposes. There is one inconvenience we discovered while working with failure_route feature. In case when the call is handled by Cisco_A we have INVITE,ACK,BYE messages stored in db which is good. The problem is when the call is redirected from Cisco_A to Cisco_B we get only BYE. Awcourse following the ngrep it appears that the redirection is created by using INVITE, ...., BYE. The question is why i cannot obtain full information about the call stages in db in case of redirection. Is there anything which has to be added into config file. Regards. Pawel.

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[Serusers] Do ser + asterisk_b2bua work ?
by Charles Wang 23 Feb '05

23 Feb '05

Dear ALL: I find a program named "asterisk_b2bua" on http://developer.berlios.de/projects/b2bua/ And I also download them(two components) and try to test it. But I have not enough knowledge about asterisk. It seems a Software PBX. Does asterisk_b2bua work? Does anybody ever try it? I have questions about my scenario. |======================> UA2 (Internet) | UA1 ===> SER ===> Asterisk B2BUA ===> Trunking A (PSTN) | | CDR + Prepaid + Handle Calls(Tear-down when call during limited) | | Authentication ( Radius / DB ) Q1. Will Asterisk's B2BUA pass through the "To" (such as 0939749xxx(a)ser.xxx.net.tw PSTN number) to Trunking A? In another word, is the B2BUA not necessary to rewrite the phone number? Q2. How can B2BUA know when to tear-down this call if the call has some limits. For example, UA1 has only 120 seconds to use this International call. Q3. Is it necessary for Radius Authentication? Is it possible if no radius exists and SER and Asterisk use the same MySQL database. Q4. What do I need to download and setup when I use Asterisk to start this prepaid compoment? The first one shall be asterisk-1.0.5.tar.gz. Maybe some Mysql supported scripts or installaion. And any more?? Best Regard Charles

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[Serusers] <function>nat_uac_test
by Nicolas Ruiz 23 Feb '05

23 Feb '05

Hi, I have ser 0.8.12 and NATHELPER module launch. But the function "nat_uac_test" don't start. What can I do, tu use this function? recompile NATHELPER.so??? Thanks in advance Nicolas RUIZ

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sr-users February 2005