sr-users September 2013

sr-users@lists.kamailio.org

89 participants
128 discussions

dispatcher: set $du in failure_route
by Grant Bagdasarian 20 Sep '13

20 Sep '13

Hello, Can the $du value also be set in a failure_route? For instance in the case the first destination fails. I'm currently setting the $du value before I'm calling the ds_next_domain function in request_route. We have multiple carriers which are connected to different SBCs. In case $du is not re-set in failure_route, Kamailio will try to send the INVITE to the carrier directly, bypassing the SBC, correct? Regards, Grant

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Re: [SR-Users] Getting Started with SIREMIS
by David Wilson 20 Sep '13

20 Sep '13

Hi Daniel, That's the path I'm on, just wanted to make sure I hadn't overlooked something obvious. In a test environment, I have a SIP client registered to kamailio. I also have kamailio registered with an ITSP using uac module, based on a UACReg record configured through Siremis. Inbound calls are routing nicely, but I'm having trouble with outbound calls. My ITSP account is challenging the outbound INVITE. Configuring peering is an option, but I'm trying to understand the authentication case for my own satisfaction. If I understand correctly, there are a number of approaches for outbound: 1. Use another service as a gateway (asterisk, etc) 2. Use lcr module 3. Use carrierroute module 4. Use manual routing in the config file Some comments on these: 1. I understand that kamailio is not designed to be a B2BUA, I'm trying to use it as a proxy. I prefer not to introduce another element. 2. lcr module looks promising. I got as far as loading a gateway from the database, but then hit the authentication problem described in 4. below. 3. carrierroute module has been troublesome. I'm using the APT package and found that carrierroute was not included. After installing kamailio-carrierroute-modules, kamailio fails to start with a load_module error: undefined symbol cfg_set_error_function. Similar trouble has been reported in relation to libconfuse. This is installed and 'ldd carrierroute.so' does not report any missing dependencies. 4. Since I'm using only a single outbound route (for now), I'm working on manual routing in the config file while I get the authentication working. I have got as far as catching the 401 Unauth response from the ITSP to my INVITE, calling uac_auth() in the failure_route (see fragment below) and relaying. The ITSP then returns 482 Merged Request in response to the INVITE that includes the auth header. This occurs regardless of whether I call append_branch before relaying. I have read a number of historical threads about the CSeq not being incremented and it makes sense to me in this context not to do so, but a different branch tag doesn't appear to be enough in this case for the server to treat it as a different request. failure_route[1] { if (t_check_status("401")) { append_branch(); uac_auth(); } t_relay(); } Incidentally, in order to create the Auth response, I had to hard code credentials into the config file with modparam("uac","credential","user:domain:password") Can these credentials be configured from Siremis? I thought it might use the existing UACReg record, but that doesn't seem to be the case. I'm happy to break out any of these into individual threads, but I've put them all together here to give you an idea of where I'm at. Cheers, Dave. On 20 Sep 2013, at 4:37 am, sr-users-request(a)lists.sip-router.org wrote: > > Hello, > > > On 9/19/13 9:59 AM, David Wilson wrote: >> Hi All, >> >> I have Kamailio 4.0.3 installed via APT onto Ubuntu 12.04 and have Siremis 4.0 installed and running nicely. >> >> Is there an example config file that demonstrates how to use the features configurable through Siremis? >> >> For example, when I populate a UACReg record via Siremis, I had to adapt the kamailio.cfg to use that information. Similar adaptations are required for LCR or CR records and these are where I'm struggling; there is some routing code that is implied by the data structures, but the documentation for the corresponding modules doesn't provide an overall example. > siremis is the toolkit to manage the database records for most of the > records. Building the logic to use the records from kamailio.cfg is a > matter of requirements to implement. > > The starting point is the readme for the module, there you can find > details about parameters and function. The way to go is trying something > by yourself based on readme and if you get stuck, then ask help here. > Otherwise no one would be able to give hints or config parts to plug in > an unknown environment. > > Cheers, > Daniel

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Getting Started with SIREMIS
by David Wilson 19 Sep '13

19 Sep '13

Hi All, I have Kamailio 4.0.3 installed via APT onto Ubuntu 12.04 and have Siremis 4.0 installed and running nicely. Is there an example config file that demonstrates how to use the features configurable through Siremis? For example, when I populate a UACReg record via Siremis, I had to adapt the kamailio.cfg to use that information. Similar adaptations are required for LCR or CR records and these are where I'm struggling; there is some routing code that is implied by the data structures, but the documentation for the corresponding modules doesn't provide an overall example. Regards, Dave.

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Modifying path to kamailio.cfg
by Grant Bagdasarian 19 Sep '13

19 Sep '13

Hello, I compiled and installed Kamailio 4.0.3 like usual on a new test machine, but changed the CFGFILE variable in /etc/init.d/kamailio to /usr/local/etc/kamailio/kamailio.cfg. Kamailio started normally. When I reset CFGFILE to CFGFILE=/etc/kamailio/kamailio.cfg and start Kamailio again, I'm getting an error saying it can't find the file at /usr/local/etc/kamailio/kamailio.cfg. I renamed the config file at /usr/local/etc/kamailio/ to make sure it's not using that one, but it still is. Why is the change not being accepted? Regards, Grant

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siremis 4.0 problem
by Marek Cervenka 19 Sep '13

19 Sep '13

hi, i'm trying siremis 4.0 with kamailio 4.0.3. installation with web wizard was successfull i have strange problem with login. login succed but then i'm immediately logged out. i see MSG_LOGIN_SUCCESSFUL in log/DEBUG.log can you point me where i can enable additional DEBUG in siremis? or any other ideas what's the problem? thanks centos6, mysql 5.1, php 5.3 -- --------------------------------------- Marek Cervenka =======================================

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SCA Module Drops Shared Line if Barge-In Aborted on Polycom
by Robert Boisvert 18 Sep '13

18 Sep '13

SCA Developers, I ran into a problem using the SCA module and was looking for some assistance for the following situation. Can you help? Here is the scenario: 1. When a conversation is occurring on a shared line with Polycom phones; 2. Another caller on the same shared line picks up the phone and uses the barge-in feature; 3. The caller aborts the barge-in before being connected; 4. SCA or Polycom, I don't know which at this point, turns off the LEDs on the shared line and then the shared line no longer behaves like a shared line. 5. Even though the existing shared call continues, if the new caller picks up the shared line he gets a green LED, hears a dial tone and is not prompted to barge-in by the soft keys. 6. When all parties end the conversation the shared line returns to its previous correct behavior. Have you seen something like this? Do you have any suggestions on how to troubleshoot or workaround the problem? Thanks again for your help. The SCA module remains a very useful product for us, Bob

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Store dispatcher weight attribute in dispatcher table
by Grant Bagdasarian 18 Sep '13

18 Sep '13

Hello, Is it possible to store the weight attribute in the dispatcher table? If so, which column must I use? I see it is possible when using the list file. The attrs_avp is the closest thing, but I think this value has to be loaded from the database also? Regards, Grant

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Authentication and outbound proxy
by Isaac McDonald 18 Sep '13

18 Sep '13

Hello, Is there any way to authenticate requests when using Kamailio as an outbound proxy? For example, if all the phones are configured to use Kamailio as an outbound proxy for NAT traversal, the credentials on the phone authenticate against the destination SIP proxy and not the outbound SIP proxy (Kamailio). Is there a way to have the credentials on the phone authenticate to BOTH the outbound proxy and the destination SIP proxy? Thanks, Isaac

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Regd. Presence_xml module
by Shankar 18 Sep '13

18 Sep '13

Hi, While reading the module documentation of 'PRESENCE_XML' module, I came across 'intergrated_xcap_server'. If it is set to value '0', then it has to use xcap_client module to fetch documents from XCAP server. But as per documentation, it says this mode is not supported. So can I assume that only intergrated xcap server is supported in kamailio and not standalone. If YES, module xcap_client cannot be used at all? Can someone please confirm the same. Regards, Shankar

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Re: [SR-Users] (no subject)
by Keith 17 Sep '13

17 Sep '13

Hi, I am trying to use SIPP to load test Kamailio. I am using a combination with Freeswitch and Kamailio as an SBC with the calls being delivered to Asterisk. The problem seems to be with the ACK sent back from SIPP on response to the 200 OK. This ACK is not being forwarded by Kamailio and therefore FS drops the call. I have scoured every page and tried everything so any help would be appreciated. Thanks, Keith

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sr-users September 2013