sr-users May 2013

sr-users@lists.kamailio.org

95 participants
157 discussions

missing AVP OriginatingRequest in LIR
by Khue Nguyen Minh 07 May '13

07 May '13

Hi all, I use ims_icscf in Kamailio to send LIR message to HSS. But, In LIR message that I received in HSS haven't OriginatingRequest AVP. How I can insert it into LIR message? Thanks & Best regards, Khue Nguyen.

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max number of pipes for pipelimit module?
by Julia 07 May '13

07 May '13

Hello, Is there a limit on the max number of pipes for pipelimit module? Thanks, Julia

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Publish Failed
by Raj Roy Ghandhi 07 May '13

07 May '13

Hi, I installed and configured the latest Kamalio and all the features works except PRESENCE Also it works with NAT clients with RTPProxy. When I register with Jitsi or QuteCom I get 5(10515) ERROR: presence [publish.c:388]: No E-Tag and no body found 6(10517) INFO: presence [notify.c:1601]: NOTIFY sip:1001@sip.abc.com via sip:1001@124.43.201.156:5060 on behalf of sip:1000@sip.abc.com for event presence 6(10517) ERROR: presence [publish.c:388]: No E-Tag and no body found ERROR: presence [publish.c:388]: No E-Tag and no body found Please advice me how to fix this. Best Regards, Roy.

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How to use Kamailio as load balancer
by Khoa Pham 07 May '13

07 May '13

Hi, As someone asked in http://lists.sip-router.org/pipermail/sr-users/2010-December/066792.html about TCP overload, Daniel answerd that "if you have some lengthily operations that have to be applied to your sip traffic and you get congestion because of that, the solution is to use a kamailio as load balancer in front of a farm of proxy doing the actual processing" How to use Kamailio as load balancer ? -- Khoa Pham HCMC University of Science Faculty of Information Technology

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xcap-diff support in xcap_server module?
by Juha Heinanen 04 May '13

04 May '13

does xcap_sever module support xcap-diff, i.e., is it able to publish xcap-event when some modification of a document happens? -- juha

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Handling of CANCEL in case of no matching INVITE
by Vassilis Radis 03 May '13

03 May '13

Hello all, In the documentation of the t_relay_cancel() (TM module) there is an example that reads: if (method == CANCEL) { if (!t_relay_cancel()) { # implicit drop if relaying was successful, # nothing to do # corresponding INVITE transaction found but error occurred sl_reply("500", "Internal Server Error"); drop; } # bad luck, corresponding INVITE transaction is missing, # do the same as for INVITEs } What bothers me is the phrase #do the same as or INVITEs, because in RFC( http://tools.ietf.org/html/rfc3261#section-16.10 ) it says: If a response context is not found, the element does not have any knowledge of the request to apply the CANCEL to. It MUST *statelessly* forward the CANCEL request (it may have statelessly forwarded the associated request previously). So aren't we supposed to immediately statelessly forward the CANCEL if t_relay_cancel() did not find the INVITE transaction, instead of doing the same as INVITEs, which could be t_relay() (not stateless)?. Like below: if (method == CANCEL) { if (!t_relay_cancel()) { # implicit drop if relaying was successful, # nothing to do # corresponding INVITE transaction found but error occurred sl_reply("500", "Internal Server Error"); drop; } # bad luck, corresponding INVITE transaction is missing, forward(); } Am I correct or am i missing something? Thank you in advance, Bill

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service uri not found in rls-services document
by Juha Heinanen 03 May '13

03 May '13

my presence server tries to handle subscribe to sip:jh+presence@test.tutpro.com. that service uri is stored in rls-services document of user sip:jh@test.tutpro.com, but for some reason k does not find the service uri. here is some debug: May 1 19:08:43 siika /usr/sbin/pres-serv[27355]: INFO: Handling SUBSCRIBE <sip:jh+presence@test.tutpro.com> May 1 19:08:43 siika /usr/sbin/pres-serv[27355]: INFO: rls [subscribe.c:155]: searching document for user sip:jh@test.tutpro.com May 1 19:08:43 siika /usr/sbin/pres-serv[27355]: INFO: rls [subscribe.c:240]: rls_services document:#012<?xml version='1.0' encoding='UTF-8'?>#012<rls-services xmlns="urn:ietf:params:xml:ns:rls-services"><service uri="sip%3Ajh%2Bpresence%40test.tutpro.com"><resource-list>http%3A//192.98.102.10%3A8080/xcap-root/resource-lists/users/sip%3Ajh%40test.tutpro.com/index/%7E%7E/resource-lists/list%5B%40name%3D%22sipsimple_presence_rls%22%5D</resource-list><packages><package>presence</package></packages></service><service uri="sip%3Ajh%2Bdialog%40test.tutpro.com"><resource-list>http%3A//192.98.102.10%3A8080/xcap-root/resource-lists/users/sip%3Ajh%40test.tutpro.com/index/%7E%7E/resource-lists/list%5B%40name%3D%22sipsimple_dialog_rls%22%5D</resource-list><packages><package>dialog</package></packages></service></rls-services> May 1 19:08:43 siika /usr/sbin/pres-serv[27355]: INFO: rls [subscribe.c:253]: service uri sip:jh+presence@test.tutpro.com not found in rl document for user sip:jh@test.tutpro.com any idea why the service uri is not found even when it appears to be in the document: <service uri="sip%3Ajh%2Bpresence%40test.tutpro.com"><resource-list>http%3A//192.98.102.10%3A8080/xcap-root/resource-lists/users/sip%3Ajh%40test.tutpro.com/index/%7E%7E/resource-lists/list%5B%40name%3D%22sipsimple_presence_rls%22%5D</resource-list><packages><package>presence</package></packages></service> could the escaped chars explain the failure or the fact that resource-list is an uri? -- juha

2 8

extra_id_pv parameter
by Bruno Bresciani 03 May '13

03 May '13

Hi All, I need forking a call to multiple destinations in paralel on different network segments, requiring different rtpproxy parameters. Reading the rtpproxy module documentation I discovered that is possible by setting the "b" parameter on rtpproxy_manage(), rtpproxy_offer(), rtpproxy_answer() and rtpproxy_destroy() functions, but I'm with some doubts... I can't understanding how set the extra_id_pv parameter correctly to use when the "b" parameter is used. The "b" parameter is supported on rtpproxy version 1.2.1? Best Regards

2 3

How to decrypt SIP message
by Khoa Pham 03 May '13

03 May '13

Hi, Currently, I'm using TLS and it works fine. But eventually, TLS is just used to agree upon a secret key. And both client and Kamailio use that secret key to encrypt message. In my solution, I have a fixed secret key. And client encrypt SIP message with that secret key. What code should I insert in Kamalio to decrypt it? -- Khoa Pham HCMC University of Science Faculty of Information Technology

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Re: [SR-Users] service uri not found in rls-services document
by Peter Dunkley 02 May '13

02 May '13

Last I looked (around February) there were some things in Kamailio presence that aren't in OpenSIPS. For example, the separate notifier processes in both presence and rls (I believe one may have been ported across now by Saul - but not both). There are also extensions relating to the built-in XCAP server (particularly in presence_xml and rls) that are in Kamailio and not OpenSIPS. I know that there are some specific RLS fixes and features in Kamailio that only work when you use the built-in XCAP server. I also made some enhancements to the way pidf-manipulation is handled in Kamailio that I do not think have been ported to OpenSIPS. Basically, while OpenSIPS presence may be more advanced in some ways I am quite sure it is less developed in some others. Having spent a lot of time over the course of around 18 months doing work in Kamailio presence I would strongly resist any attempts to junk what is currently there because I know that I need a lot of the stuff that is in the Kamailio implementation. I don't currently have the time to develop it further at the moment either. I think the "junk them and replace with opensips" approach would be a disaster. Regards, Peter > looks like kamailio presence and especially rls is lagging behind in > development as compared to opensips. it properly handles the escapes > that i had trouble with, support external references in presence > rules, xcal-diff, etc. > > what should we do about kamailio presence modules? junk them and > replace with opensips ones or implement the missing stuff ourselves? > i personally don't have resources for the latter. > > -- juha > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users(a)lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > -- Peter Dunkley Technical Director Crocodile RCS Ltd

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sr-users May 2013