sr-users July 2007

sr-users@lists.kamailio.org

163 participants
262 discussions

[Serusers] consultant needed
by Theodore Cekan 29 Jul '07

29 Jul '07

Hello, We are looking to hire a consultant to help us design and configure Ser for a residential service offering. We are based in Denver Colorado. If you know of anyone who could help please let me know. Ted Cekan 303-692-9409 x304

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[Users] provisional_reply_timer
by Klaus Darilion 28 Jul '07

28 Jul '07

Hi! i wonder if there is a timer which controls the timeout for provisional replies. E.g. I want to cancel an INVITE and retry another gateway if the gateway does not respond with 100 (or 180) in a certain time. regards klaus -- Klaus Darilion nic.at

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[OpenSER-Users] Unable to configure LCR in openser - problem with next_gw()?
by Miodrag Radulovic 28 Jul '07

28 Jul '07

Hello everyone! Please help... I've started testing openser 1.2.1 few weeks ago (on freebsd 6.2, I've got it from freebsd port collection) and I simple can not make LCR work at all. I spent last few hours reading almost all the posts on this mailing list and I can see it is working but I can not figure it out why mine configuration is not... For simple start - I want all calls where destination number starts with 9 to be routed to PSTN GW. So I made these entries in LCR tables: [root@santos /var/log]# openserctl lcr show lcr routes +----+--------+----------+--------+----------+ | id | prefix | from_uri | grp_id | priority | +----+--------+----------+--------+----------+ | 10 | 9 | % | 1 | 1 | +----+--------+----------+--------+----------+ lcr gateway groups +--------+----------+ | grp_id | grp_name | +--------+----------+ | 1 | comutel | +--------+----------+ lcr gateways +---------+---------------+------+------------+-----------+--------+-------+--------+ | gw_name | ip_addr | port | uri_scheme | transport | grp_id | strip | prefix | +---------+---------------+------+------------+-----------+--------+-------+--------+ | c2811 | 192.168.253.1 | 5060 | 1 | 1 | 1 | 0 | | +---------+---------------+------+------------+-----------+--------+-------+--------+ For openser.cfg itself I've started with sip:wizard configuration template (SIP Proxy/Registrar with Offnet-Termination and Accounting) then I made some necessary changes (I do not have Mediaproxy or RTPproxy and added domain and populated trusted table). But when I dial 93016576 I always have this error message in xlog output: Jul 19 18:50:24 santos /usr/local/sbin/openser[1412]: No PSTN gateways available - M=INVITE RURI=sip:93016576@192.168.253.205:5060 F=sip:lvs1@192.168.253.205:5060 T=sip:93016576@192.168.253.205:5060 IP=192.168.253.202 ID=676c7a05-4bcd2745(a)192.168.253.202 Here is part of openser.cfg where next_gw() fails: route[10] { if(isflagset(20)) { xlog("L_INFO", "Call to foreign domain - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); route(6); exit; } route(12); if(!isflagset(23)) { # don't allow calls relaying from PSTN to PSTN, if not explicitely forwarded if(uri =~ "^sip:[0-9]+@") { # only route numeric users to PSTN if(!load_gws()) { xlog("L_ERR", "Error loading PSTN gateways - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); sl_send_reply("503", "PSTN Termination Currently Unavailable"); exit; } if(!next_gw()) { xlog("L_ERR", "No PSTN gateways available - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); sl_send_reply("503", "PSTN Termination Currently Unavailable"); exit; } setflag(21); t_on_failure("1"); route(6); } } xlog("L_INFO", "Call to unknown user - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); route(3); sl_send_reply("404", "User Not Found"); exit; } I believe that I've made some errors in LCR routes entries, but documentation is really sparse on this issue... Please note - I've tried replacing "%" with empty string in from_uri column in routes table but then openser was not able to startup: [root@santos /var/log]# openserctl lcr rmroute 9 % 1 1 MySql password for user 'openser@localhost': 200 OK [root@santos /var/log]# openserctl lcr addroute 9 '' 1 1 MySql password for user 'openser@localhost': 200 OK [root@santos /var/log]# openserctl lcr show lcr routes +----+--------+----------+--------+----------+ | id | prefix | from_uri | grp_id | priority | +----+--------+----------+--------+----------+ | 11 | 9 | | 1 | 1 | +----+--------+----------+--------+----------+ lcr gateway groups +--------+----------+ | grp_id | grp_name | +--------+----------+ | 1 | comutel | +--------+----------+ lcr gateways +---------+---------------+------+------------+-----------+--------+-------+--------+ | gw_name | ip_addr | port | uri_scheme | transport | grp_id | strip | prefix | +---------+---------------+------+------------+-----------+--------+-------+--------+ | c2811 | 192.168.253.1 | 5060 | 1 | 1 | 1 | 0 | | +---------+---------------+------+------------+-----------+--------+-------+--------+ [root@santos /var/log]# openserctl restart Stopping OpenSER : \E[37;33mINFO: stopped Starting OpenSER : \E[37;31mERROR: PID file /var/run/openser.pid does not exist -- OpenSER start failed And here is relevant part from openser log output: Jul 21 21:30:26 santos /usr/local/sbin/openser[10216]: ERROR:lcr:load_regex: bad from_uri re Jul 21 21:30:26 santos /usr/local/sbin/openser[10216]: ERROR: lcr:mod_init(): failed to reload gateways and routes Jul 21 21:30:26 santos /usr/local/sbin/openser[10216]: init_mod(): Error while initializing module lcr Please can someone help and point me in the right direction? BR, Miodrag

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[Serusers] Is there something weird about this INVITE ?
by SIP 27 Jul '07

27 Jul '07

One of our clients, using a Nokia E90, is having problems connecting to anything. His INVITE looks like this: U 123.236.98.24:55031 -> 11.22.33.44:5060 INVITE sip:1747XXXXXXX@our.proxy.com;user=phone SIP/2.0. Route: <sip:our.proxy.com;lr;transport=UDP>. Via: SIP/2.0/UDP 192.168.1.229:5060;branch=z9hG4bK3e89pocn1m7mkuiefdjljsj;rport. From: <sip:1101XXXXXXX@our.proxy.com>;tag=ls57mprkkdhc7kku07de. To: <sip:1747XXXXXXX@our.proxy.com;user=phone>. Contact: <sip:1101XXXXXXX@123.236.98.24:55045;transport=UDP>. Supported: 100rel,sec-agree. CSeq: 980 INVITE. Call-ID: pyBXpNNeoIcFBM7qVqVKrBneC2kxeM. Allow: INVITE,ACK,BYE,CANCEL,REFER,NOTIFY,OPTIONS,PRACK. Expires: 120. Privacy: none. User-Agent: Nokia RA-6 V 07.24.0.3. P-Preferred-Identity: sip:1101XXXXXXX@our.proxy.com. Max-Forwards: 70. Proxy-Authorization: Digest qop=auth,realm="our.proxy.com",nonce="46a713c0c887788778a731de0355c04db1896d23",algorithm=MD5,username="1101XXXXXXX",cnonce="0dad64affaabb2fa9c93611ec864e363",nc=00000001,uri="sip:1747XXXXXXX@our.proxy.com;user=phone",response="197f8a8b4b3d39281a147c2d9d2b6a28". Content-Type: application/sdp. Accept: application/sdp. Content-Length: 447. . v=0. o=Nokia-SIPUA 63353630343979125 63353630343979125 IN IP4 123.236.98.24. s=-. c=IN IP4 123.236.98.24. t=0 0. m=audio 49152 RTP/AVP 96 0 8 97 18 98 13. a=sendrecv. a=ptime:20. a=maxptime:200. a=fmtp:96 mode-change-neighbor=1. a=fmtp:18 annexb=no. a=fmtp:98 0-15. a=rtpmap:96 AMR/8000/1. a=rtpmap:0 PCMU/8000/1. a=rtpmap:8 PCMA/8000/1. a=rtpmap:97 iLBC/8000/1. a=rtpmap:18 G729/8000/1. a=rtpmap:98 telephone-event/8000/1. a=rtpmap:13 The server received this packet, but never responds to it. It simply never sends a reply. It's as though it doesn't recognise this as a proper INVITE. The ONLY thing I noticed about this that's completely non-standard, is that every other packet seems to have this period after it (indicating, perhaps, the end of a line... I don't know enough about the display of ngrep to tell). This INVITE does not. It goes almost immediately into the next packet, and it's almost as though this one never ends. Has anyone seen this before? Is there anything weird about this INVITE that would cause SER to ignore it? N.

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[OpenSER-Users] Re: [Serusers] CDRz?
by Parminder.Nayyar＠relianceada.com 27 Jul '07

27 Jul '07

Hello Friends ... Jai, Thanks for showing a pointer towards teh acc module... but i really cudn't grasp even a bit out of it... all it says is about logs being dumped, with specific data like \: The fixed minimal accouting information is: Request Method name >From header TAG parameter To header TAG parameter Call-Id 3-digit Status code from final reply Reason phrase from final reply Time stamp when transaction was completed There is no session/dialog accounting (yet)-- OpenSER maintains no sessions. If one needs to correlate INVITEs with BYEs for generating proper CDRs for example for purpose of billing, then it is better done in the entity which collects accounting information. If a UA fails in middle of conversation, a proxy will never learn it. In general, a better practice is to account from an end-device (such as PSTN gateway), which best knows about call status (including media status and PSTN status in case of the gateway). Now, my requirement is to generate a CDR for billing purpose... In syslog there are not any logs present, and even if i get the logs there.. using changes in config file, how do i use this raw information to generated CDRz for billing purposes??? I have searched for quite a few tools online which work on the output of SER to generate CDR or for CDR collection... but I need a free software, they are all paid services... Can someone help me where should i go further..? I'm lost ... :( Thanks a lot! Parminder Nayyar "Jai Rangi" <jprangi(a)gmail.com> 07/23/2007 10:52 PM To "Parminder.Nayyar(a)relianceada.com" <Parminder.Nayyar(a)relianceada.com> cc Subject Re: [Serusers] CDRz? acc module can be used to all CDRs. But I found that useless for billing purpose. Jai www.bingotelecom.com On 7/22/07, Parminder.Nayyar(a)relianceada.com < Parminder.Nayyar(a)relianceada.com> wrote: Hi Can anyone tell me which module to explore , if i want to check about CDRz and billing?? Please help..... Parminder Nayyar _______________________________________________ Serusers mailing list Serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

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[Serusers] can SIP client connect sip proxy via SOCKS5 proxy?
by Liu Wenlong 27 Jul '07

27 Jul '07

Is there any protocol support it? thx -- aRES iN aNYWhere

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[OpenSER-Users] t_on_branch -- using drop() question?
by Zahid Mehmood 26 Jul '07

26 Jul '07

I was looking at the openser config generated using the online sipwise wizard. They implement conditional call forwarding using: if($avp(s:cfc) != NULL) { avp_pushto("$ru", "$avp(s:cfc)"); setflag(29); append_branch(); t_on_branch("1"); xlog("L_INFO", "CFC detected - M=$rm RURI=$ru F=$fu T=$tu IP=$si ID=$ci\n"); route(13); } branch_route[1] { if(is_domain_local("$rd")) { xlog("L_INFO", "Dropping local branch - M=$rm RURI= $ru F=$fu T=$tu IP=$si ID=$ci\n"); drop(); } } Suppose an invite gets to this point and ruri is changed to another local user. does this drop() in branch_route prevents that invite to be relayed? does it still go through route(13) ? I'm still a newbie trying to better understand the working of openser functions. I'll greatly appreciate if someone can briefly describe when it makes sense to use "append_branch()" Thanks in advance for your help. -- Zahid

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[OpenSER-Users] openSER crashes while accessing emtpy pseudo-variable $fn in if-clause ?
by Rainer Strobel 26 Jul '07

26 Jul '07

Hello, while playing around with the pseudo variables whithin openser 1.2.1 I got a strange behavior. I tried to check if the from-header-name of an invite message is set to (A|a)nonymous with an simple if-clause. if($fn =~"(A|a)nonymous") { ...do something ; } It works fine while the from-name variable is not empty. If the from-header-name in the INVITE message is not given openser crashes exactly on that comparison. After that I started playing around using other comparisons, for example 'if($fn=~"foo")' or ' if($fn == "foo")' , with the same set-up. Openser crashed each time processing that if-clause. I tested this with openser-1.2.1-notls on i386 openSUSE 10.2 with MySQL 5.0.26 and gcc 4.1.2 Can anybody confirm this problem ? Debuggin informations are available and can be send additional if necessary. Regards. Rainer Strobel --------------------------------------------------------------------- HFO Telecom AG Network Management Bahnhofstraße 18 95028 Hof Tel.: + 49 (0) 92 81 / 14 48 132 Fax: + 49 (0) 92 81 / 14 48 52 132 E-Mail: strobel(a)hfo-telecom.de Internet: www.hfo-telecom.de

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[OpenSER-Users] Problem with handling 3xx responses and contact with maddr
by Watkins, Bradley 26 Jul '07

26 Jul '07

I'm using OpenSER to connect to a Nortel CS1000M, and I'm having some problems. The way the Nortel works is that it has what they call a Network Routing Service (redirect server, really), that issues either a 302 (if a single SIP gateway exists on the CS1000) or a 300 (if multiple). Here's a sample 300 from my system (IPs and domains changed to protect the guilty): U 10.1.1.3:5060 -> 10.0.1.1:5060 SIP/2.0 300 Multiple Choices. Via: SIP/2.0/UDP 10.0.1.1;branch=z9hG4bKa66e.99fc1a25.1;received=10.0.1.1. Via: SIP/2.0/UDP 10.1.3.114;branch=z9hG4bK7d42804867A25509. From: "0004f2145263" <sip:0004f2145263@dtw-openser01.sub.domain.com>;tag=5F7CDD45-DDCE1F92. To: <sip:12345@dtw-openser01.sub.domain.com;user=phone>;tag=34887. Call-ID: 58dd5646-e86d140f-c2ead634(a)10.1.3.114. CSeq: 1 INVITE. Contact: <sip:12345;phone-context=udp@domain.com:5060;maddr=10.1.1.1;transport=ud p;x-nt-redirect=redirect-server;x-nt-redirect=redirect-server>. Contact: <sip:12345;phone-context=udp@domain.com:5060;maddr=10.1.1.2;transport=tc p;x-nt-redirect=redirect-server;x-nt-redirect=redirect-server>. Content-Length: 0. The problem I have is that the Contacts have an maddr, and I need relay to it. However, I can't seem to be able to use transformations to get the maddr for relaying. Here are some log messages with comments inline: Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]: Branches are: <sip:12345;phone-context=udp@domain.com:5060;maddr=10.1.1.1;transport=ud p;x-nt-redirect=redirect-server>;q=0.01 This is just an xlog of $bR, but I'm not sure where the q= value is coming from (get_redirects?). Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]: ERROR: parse_uri: bad uri, state 0 parsed: <<sip> (4) / <<sip:12345;phone-context=udp@domain.com:5060;maddr=10.1.1.1;transport=u dp;x-nt-redirect=redirect-server>;q=0.01> (120) Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]: tr_eval_uri: invalid uri [<sip:12345;phone-context=udp@domain.com:5060;maddr=10.1.1.1;transport=u dp;x-nt-redirect=redirect-server>;q=0.01] These are what I get as a result of trying to xlog $(bR{uri.maddr}) Anyway, I would be greatly appreciative of any help someone might offer on the matter. Regards, - Brad The contents of this e-mail are intended for the named addressee only. It contains information that may be confidential. Unless you are the named addressee or an authorized designee, you may not copy or use it, or disclose it to anyone else. If you received it in error please notify us immediately and then destroy it.

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[OpenSER-Users] [multidomain] Using different RtpProxy for each domain
by Iñaki Baz Castillo 26 Jul '07

26 Jul '07

Hi, I've configured a OpenSer in multidomain with a RtpProxy. Now I'd like to use a RtpProxy for each domain, so it could be based in $rd. But at first point I don't know how to configure OpenSer to use varios RtpProxies in different machines. I've tried with: modparam("nathelper", "rtpproxy_sock", "udp:localhost:22222,udp:192.168.1.58:22222") and: modparam("nathelper", "rtpproxy_sock", "udp:localhost:22222udp:192.168.1.58:22222") but it fails when starting giving an error of parsing. If I use: modparam("nathelper", "rtpproxy_sock", "udp:localhost:22222,udp") modparam("nathelper", "rtpproxy_sock", "udp:192.168.1.58:22222") just the last line is used. Any idea of how to use various RtpProxies? My idea is to have some of them availables and use them based in $rd using: force_rtp_proxy("","192.168.1.58") and so. Any help please? Thanks a lot. -- Iñaki Baz Castillo ibc(a)in.ilimit.es

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sr-users July 2007