sr-users November 2012

sr-users@lists.kamailio.org

85 participants
125 discussions

Jitsi to Jitsi call
by Raj Roy Ghandhi 03 Dec '12

03 Dec '12

Hi Peter, Still I am unable to make call to Jitsi to Jitsi. Call established But no media. But text message works. NAT traversal work with RTPProxy and I can do IPPhone to IPPhone call and voice works very well. Tried with many soft phones and voice did not go through. Did I miss something in the configuration ? Please advice me. Best Regards, Roy.

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Kamailio SCA Module
by Robert Boisvert 01 Dec '12

01 Dec '12

Andrew, Congratulations on your new position as a Kamailio developer! When I saw your module (SCA) I began testing immediately since it may be a stepping stone to help me get the Polycom barge-in feature working with Kamailio. However, I ran into a few difficulties. Can you assist me? To make your existing code work as a K module I had to change a few lines of code and recompile under modules_k. Specifically, since the K definition of the ucontact structure defines ucontact->aor as str* and the S definition as str**, I changed “&c->aor” to “c->aor” in the following lines of sca_usrloc_cb.c: 73: if ( !sca_uri_is_shared_appearance( sca, c->aor )) { 74: LM_DBG( "%.*s is not a shared appearance line", STR_FMT( c->aor )); 79: &SCA_EVENT_NAME_CALL_INFO, c->aor ) < 0 ) { Since I use PostgreSQL as my SQL engine I created the SCA entries using this code: INSERT INTO version (table_name, table_version) values ('sca_subscriptions', '0'); CREATE TABLE sca_subscriptions ( id SERIAL PRIMARY KEY NOT NULL, subscriber VARCHAR(255) NOT NULL, aor VARCHAR(255) NOT NULL, event INTEGER NOT NULL, expires INTEGER NOT NULL, state INTEGER NOT NULL, app_idx INTEGER NOT NULL, call_id VARCHAR(255) NOT NULL, from_tag VARCHAR(128) NOT NULL, to_tag VARCHAR(128) NOT NULL, notify_cseq INTEGER NOT NULL, subscribe_cseq INTEGER NOT NULL, CONSTRAINT sca_subscriptions_idx UNIQUE (subscriber, call_id, from_tag, to_tag)); I applied the recommendations from your documentation on configuring Kamailio (3.3.1) and inserted the call to “sca_handle_subscribe ()” in kamailio.cfg. Next, I connected two Polycom phones (SP335 and SP650) to my network and configured them to enable presence and use a shared line. Four lines were configured on the phones as shown below: SP335 Line 1 (p11) = private line 6013 SP335 Line 1 (p12) = shared line 1519 SP650 Line 1 (p21) = private line 6014 SP650 Line 2 (p22) = shared line 1519 My tests get inconsistent results on the line LEDs and it seems that they do not work as a shared line. When I ran a tcpdump of the SIP communication (see attached pcap files) I found several anomalies: - Some packets (sca-reboot1 #22, 44, 113, 120 and sca-reboot2 #17, 38) contain spurious NUL characters in the tags section. In all tests it seems to occur in the Expire tag when Kamailio accepts the subscription. - When Kamailio sends call-info NOTIFY the Content-Length tag is missing. - Sometimes the phone does not respond to a call-info NOTIFY event ( sca-reboot1 #23, 45 and sca-reboot2 #18, 39). - I don't have an example here but sometimes the phones respond to the call-info NOTIFY with "481 Call Leg/Transaction Does Not Exist". I think some of my problems are related to these anomalies. Could you help me to determine if this is a problem with the code itself, my failure to properly port it to the K module, or some other issue? Once again, thank you for making this very useful module for Kamailio and for the documentation to make it work. I hope that resolving my problems may help the code to become a part of Kamailio. Sincerely yours, Bob Boisvert

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Linphone presence
by Moacir Ferreira 30 Nov '12

30 Nov '12

I am trying to get Linphone to show presence information. I did my Kamailio setup using just the template from a stardard install and it is working properly with Bria (X-Ten). However, when using Linphone it does not show buddies presence. Any hint? Cheers! Moacir

2 1

Call forking
by Moacir Ferreira 30 Nov '12

30 Nov '12

All the topics/examples I found on the net is not what I am looking for, so here is the question: How do I achieve parallel forking (call all devices) if I have a single user registered using the same account from different devices (i.e.: table phone, iPad and PC)? What I want is to ring all devices a user may be using. Cheers! Moacir

2 1

t_fork_to?
by Juha Heinanen 30 Nov '12

30 Nov '12

core cookbook reads: append_branch Similarly to t_fork_to, it extends destination set by a new entry. The difference is that current URI is taken as new entry. what is t_fork_to? i could not find it in tm README. -- juha

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WITH_PRESENCE charsh Kamailio
by Raj Roy Ghandhi 30 Nov '12

30 Nov '12

Hi, I am running Kamailio 3.4 with web-socket and everything works fine with NAT traversal for IP Phones. But when I enable the PRESENCE it crash with "(3) errors in config file" I have copied the config.cfg to paste-bin at http://pastebin.ca/2257817<http://pastebin.ca/2257815> Please guide me on this issue. Best Regards, Roy.

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Enforced TLS, still some packets are through UDP
by Kamal Palei 30 Nov '12

30 Nov '12

Dear All I ma trying to have all SIP signalling through TLS. Using Kamailio 3.1.5. In a typical setup, endpoints initiates call, messages reach Kamailio proxy, Kamailio proxy forwards these packets to main proxy. In Kamailio.cfg, I have added below code. route { # per request initial checks route(REQINIT); setflag(FLT_NATS); if(is_method("REGISTER")) { t_relay_to("tls:115.114.48.19:443"); exit(); } else { xlog("incoming request\n"); route(WITHINDLG); route(RTPPROXY); t_on_reply("REPLY_ONE"); t_on_failure("FAIL_ONE"); t_relay_to("tls:115.114.48.19:443"); exit(); } .............. I am finding most of the messages are getting transmitted in TLS. But few ACK and REFER / REFER response packets are still being transported in UDP. Can somebody tell me whats the wrong I am doing here. By any chance route(WITHINDLG); route(RTPPROXY); before t_relay_to("tls:115.114.48.19:443"); can cause this ???? And one more doubt.., 115.114.48.19 I get in route header. How can I extract the value of route header, so that I do not have to hard-code Many thanks in advance. -kamal

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Lua env not initialized in event_route
by Vicente Hernando 30 Nov '12

30 Nov '12

Hello I'm trying to execute a Lua script on kamailio startup. I'm calling the script inside event_route[hable:mod-init], but it fails to be executed with this error: [app_lua_mod.c:167]: Lua env not initialized It happens both with lua_run and lua_dofile. I've played with the order in wich the modules are loaded, but I haven't been able to get rid of that message. Kamailio version is 3.3.0. Do you think this is feasible or should I try a different solution? Thanks in advance Regards, Vicente.

2 1

Presence on Cisco/Linksys handsets
by Mark Boyce 29 Nov '12

29 Nov '12

Hi All, I've been trying to get some Cisco/Linksys SPA phones working with Kamailio (current stable). All seems to be ok apart from getting Presence/BLF/SCA working. The phones are set to Server_Type : RFC3265_4235 Line Key 2 Extension : Disabled Line Key 2 Share Call Appearance : Private Line Key 2 Extended Function : fnc=blf+sd+cp;sub=1001@ourserver.com;ext=1001@ourserver.com Where 1001 is the other phone. The phone appears to be sending event type 'call-info' rather than dialog etc. Phone is being sent '489 Bad Event' and the error in the logs is : presence [subscribe.c:1007]: Unsupported event header field value call-info Whatever I set the Server Type to on the phones it still tries to send call-info events on subscribes Has anyone got Presence working with Cisco SPA handset? The module needed seems to be available on OpenSIPs http://www.opensips.org/html/docs/modules/1.8.x/presence_callinfo.html Thanks! Mark

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Kamailio getting started
by Scott, Matt 29 Nov '12

29 Nov '12

Anybody got a good tutorial or starter project for Kamailio? We have Siremis 3 installed, but there is 0 help on that? Trying to solve 2 scenarios: -asterisk to softphone through kamailio -softphone to asterisk through kamailio. I ultimately want to use Kamailio as an edge router Any help is appreciated. Matt Scott

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sr-users November 2012