sr-users January 2013

sr-users@lists.kamailio.org

82 participants
126 discussions

by Daniel Pocock

I'm just wondering if anyone can comment on expected and actual behavior if there is only a NAPTR record for TLS, e.g. I have: sip5060.net. IN NAPTR 10 0 "s" "SIPS+D2T" "" _sips._tcp.sip5060.net. and I don't have any entry for "SIP+D2U" or "SIP+D2T" If some third party Kamailio instance (e.g. sip-server.example.org) receives a request from a user trying to call sip:user@sip5060.net, with a sip: rather than sips: URI, should it (and will it) use the "SIPS+D2T" result, if no other result is available? Or would it ignore the NAPTR record and try to find the default SRV record such as _sip._udp.sip5060.net ? Should there be another NAPTR record to translate sip: to sips: using a regex perhaps, or would such a NAPTR be a bad thing?

11 years, 10 months

Kamailio, Asterisk with TLS+SRTP

by Roberto Fichera

Hi All, I would setup a configuration where Kamailio authenticate asterisk SIP trunk using TLS and SRTP. At moment I was able to configure everything, including RTTProxy since most of the asterisks v1.8.19.1 are behind NAT. So far so good it works pretty good using standard authentication and the call goes straight between asterisks. But as soon as I move my configuration for both kamailio & asterisk to TLS+SRTP I'm not able to authenticate asterisk SIP trunks. Especially asterisk seems insisting to use the port 5060 even if I requested the TLS on 5061. kamailio v3.3.3 tls.cfg is configured as: [server:default] method = TLSv1 verify_certificate = no require_certificate = no private_key = /etc/pki/tls/private/server.key certificate = /etc/pki/tls/certs/server.pem ca_list = /etc/pki/tls/certs/ca-bundle.crt #crl = //etc/kamailio/crl.pem # This is the default client domain, settings # in this domain will be used for all outgoing # TLS connections that do not match any other # client domain in this configuration file. # We require that servers present valid certificate. # [client:default] verify_certificate = no require_certificate = no So my asterisk conf is the following: [general] tlsenable=yes tlsbindaddr=0.0.0.0 tlscertfile=/etc/asterisk/5002.pem tlscafile=/etc/asterisk/ca-bundle.crt tlscipher=ALL tlsclientmethod=tlsv1 tlsdontverifyserver=yes transport=tls,udp .... ..... and the SIP trunk is configured as [kamailio] type=peer insecure=invite,port nat=yes disallow=all allow=ulaw host=kamailio_ip outboundproxy=tls://kamailio_ip port=5061 defaultuser=5002 fromuser = 5002 fromdomain =mydomain secret=5002 qualify=yes dtmfmode=rfc2833 context=default callbackextension=5002 directmedia=nonat sendrpid=yes transport=tls encryption=yes register => tls://5002:5002@kamailio_ip:5061/5002 I still get error like: Jan 14 10:45:12] ERROR[5244]: chan_sip.c:5600 create_addr_from_peer: 'UDP' is not a valid transport for 'dicenet'. we only use 'TLS'! ending call. [Jan 14 10:45:12] WARNING[5244]: chan_sip.c:13722 transmit_register: Probably a DNS error for registration to 5002@kamailio_ip, trying REGISTER again (after 20 seconds) [Jan 14 10:45:32] ERROR[5244]: chan_sip.c:5600 create_addr_from_peer: 'UDP' is not a valid transport for 'dicenet'. we only use 'TLS'! ending call. [Jan 14 10:45:32] WARNING[5244]: chan_sip.c:13722 transmit_register: Probably a DNS error for registration to 5002@kamailio_ip, trying REGISTER again (after 20 seconds) [Jan 14 10:45:52] ERROR[5244]: chan_sip.c:5600 create_addr_from_peer: 'UDP' is not a valid transport for 'dicenet'. we only use 'TLS'! ending call. [Jan 14 10:45:52] WARNING[5244]: chan_sip.c:13722 transmit_register: Probably a DNS error for registration to 5002@kamailio_ip, trying REGISTER again (after 20 seconds) [Jan 14 10:46:07] ERROR[7041]: tcptls.c:444 ast_tcptls_client_start: Unable to connect SIP socket to kamailio_ip:5060: Connection timed out Does anyone can suggest me something to read, try, check? Best regards. Roberto Fichera.

11 years, 10 months

How to correctly check if the variable is set?

by Mino Haluz

Hi, how should I check if the value is set? if ($avp(s:test) == "") { or is there any null keyword ? If so, does it work for $avp, $sht, $var and $shv ? Thanks, Mino

11 years, 10 months

Development is frozen for v4.0.0

by Daniel-Constantin Mierla

Hello, last midnight was the term to freeze the development for next major release v4.0.0. For a while, the GIT must branch should get only commits related to bug fixes, documentation improvements and updates of the additional tools. If any developer needs to store code of new features in the repository, use personal branches (or temporary branches in tmp/ when many developers work on the same code). After unfreeze, these branches can be merged in the master branch. For 1-2 months from now on, the main focus with the master branch is testing. The v4.0.0 will be out after mid of February, exact date to be set later based on the results during testing phase. There were many additions, so any kind of help testing is very appreciated. Fortunately the core and most of the very used classic modules were not changed much, ensuring good stability. But there are old very used pieces such as usrloc/registrar that got touched as well, so try to test as much as possible the components you are using in your configs. Provide any kind of feedback on sr-dev mailing list or the bug tracker. Cheers, Daniel -- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio World Conference, April 16-17, 2013, Berlin - http://conference.kamailio.com -

11 years, 10 months

PV: PAI vs. PPI

by Klaus Darilion

Hi! I just found out that there is only $ai for the whole P-Asserted-Identity URI, but lots of PVs for P-Preferred-URI: uri, domainpart, userpart ... Is there a reason for that, or is it just that nobody implemented it for PAI? I think it should be easy to extend it for PAI too. regards Klaus

11 years, 10 months

Kamailio World Conference - Registration is open

by Daniel-Constantin Mierla

Hello, the registration for Kamailio World Conference is now open! You can see more details and register at: - http://conference.kamailio.com/k01/registration/ There is already a great group of speakers and interesting proposed talks. More regarding the content will be published in the near future, keep an eye on event's web site: - http://conference.kamailio.com If you are considering to speak at the conference, submit your proposal as soon as possible, the slots are filling up quickly. Looking forward to meeting many of you at the conference! Daniel -- Daniel-Constantin Mierla - http://www.asipto.com http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

11 years, 10 months

Kamailio on Twitter

by Olle E. Johansson

Hello! For those of you that have missed it: You can now follow the project on Twitter: @kamailioproject https://twitter.com/kamailioproject Amongst the latest news are Kamailio at Fosdem 2013, Code freeze for kamailio 4.0 and the Kamailio World conference now open for registrations. Tonight we went into code freeze for the coming release of Kamailio 4.0. This means that developers can not add any more features to this release, only fix bugs. In order to fix bugs we will need your help testing. After the weekend we'll come back with instructions on how to test and report bugs. The information is already available on the web site. Have a great weekend! /O

11 years, 10 months

LCR

by Douglas Ugalde

Hi, Im trying to configure LCR in Kamailio 3.3.3 but I dont Know how can I do to fix this error: ERROR: lcr [lcr_mod.c:1840]: error while parsing R-URI This is my LCR configuration block: route[LCR] { if(!load_gws(1)){ sl_send_reply("500", "Internal server error, unable to load gateways"); xlog("L_NOTICE","Internal server error, unable to load gateways"); break; } if(!next_gw()){ sl_send_reply("503", "Service not available, no gateways found"); break; } } I not sure if this configuration thats ok, please somebody help me. Note: Params and modules are already loaded, sorry for my english. Best regards.

11 years, 10 months

Problem with MSILO module forwarding messages

by Owen Lynch

Hi, I have the kamailio 3.3.2 msilo module basically working but I cannot configure it to forward stored messages to the registered UA. Instead it forwards to itself (via DNS lookup on the domain name). This is causing me grief because I am getting recursive message handling. The module overview describes this behaviour: "Every time when a user registers with Kamailio, the module is looking in database for offline messages intended for that user. All of them will be sent to contact address provided in REGISTER request." The REGISTER request contact header looks OK: Contact: <sip:hxqecvtn@192.168.2.236:57532 ;transport=tls>;expires=3600;received="sip:192.168.2.236:53628 ;transport=TLS";+sip.instance="<urn:uuid:1ee63413-3569-46dc-a9ee-34c6e4e1403c>" However the 'outbound_proxy' parameter seems to contradict this: "The SIP address used as next hop when sending the message. Very useful when using Kamailio with a domain name not in DNS, or when using a separate Kamailio instance for msilo processing. If not set, the message will be sent to the address in destination URI." So, when 'outbound_proxy' is not set, the message is sent to the address in the destination URI, rather than the UA contact address? Can the module be configured to forward stored messages directly to the UA contact address? Thanks, Owen Lynch

11 years, 10 months

Socket error

by Douglas Ugalde

Hi, Please I need help with this error: ERROR: ctl [ctl.c:379]: ERROR: ctl: could not delete unix socket /tmp/kamailio_ctl: Operation not permitted (1) I'm using Kamailio 3.3.3 I call 2 times before got this error, how can I do to resolved it, I really really appreciated any help. I attached my Kamailio.cfg. Really sorry for my English. Best Regards.

11 years, 10 months

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sr-users January 2013