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37559 discussions

host undefined
by Javier Ricke 24 Nov '14

24 Nov '14

------phona A-------kamailio---------asterisk----- serverjavier-desktop*CLI> sip show peers Name/username Host Dyn Forcerport Comedia ACL Port Status Description Realtime JavierTren/1000 152.74.xxx.xxx D Yes Yes 5060 Unmonitored Cached RT 1 sip peers [Monitored: 0 online, 0 offline Unmonitored: 1 online, 0 offline] serverjavier-desktop*CLI> sip show peers Name/username Host Dyn Forcerport Comedia ACL Port Status Description Realtime 0 sip peers [Monitored: 0 online, 0 offline Unmonitored: 0 online, 0 offline] in host appear sofphone's ip, but spend time and host is undefinid, therefore asterisk dont could route call... plz help :D

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Kamailio does not delete expired contacts
by Bui Minh Yen 24 Nov '14

24 Nov '14

Hi everyone, I am using Kamailio-4.1.5. I met a problem that Kamailio does not delete expired contact. I enable log file for module usrloc and see that, about 1 first hour, timer callback of usrloc module working fine (delete all expired contacts). But after that, it is not called --> Expired contacts in shared memory and database are not deleted. I configured usrloc module like that: # ----- usrloc params ----- modparam("usrloc", "db_url", DBURL) modparam("usrloc", "db_mode", 2) modparam("usrloc", "use_domain", MULTIDOMAIN) modparam("usrloc", "db_ops_ruid", 1) Could you help me to fix this problem! Thanks so much!

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SNMP stats problem
by Muszalski Michał - Hurt 24 Nov '14

24 Nov '14

Good evening, I'm quite new in the Kamailio community so at the beginning I just want to say "Hello" to everyone. I have a following problem with SNMP in Kamailio. I want to collect data from Kamailio by SNMP. I've installed snmpd on the machine (Linux RHEL) and it's working. I've load snmpstats module in Kamailio and it starts up without error. I've configured Kamailio to use agentXsocket and enable agentx in SNMP. Port 705 is opened and netstat shows connection established between Kamailio and SNMP. Wireshark shows some packets going through. The problem is that there is no data during snmpwalk from Kamailio. Just standard data from SNMP, nothing from Kamailio. I've copied Kamailio MIBs to the proper directory, added it in the snmp.conf. Moreover I've tried to add -m +KAMAILIO-REG-MIB to snmpwalk. Still no data from Kamailio during snmpwalk. Any ideas? Best Regards, Michal Muszalski

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RTP Between end points behind NAT or edit headers's sdp?
by Javier Ricke 24 Nov '14

24 Nov '14

------phona A-------kamailio---------asterisk----- OPTION 1: configure asterisk or kamailio i used asterisk, and install kamailio for traffic RTP can be send between end points that behind NAT router, and do not have to go through RTP proxy,, plz help! i think to the moment install kamailio, headrs'sdp fix IP private, but no!, how can fix it plz!!? regards! or OPTION 2: edit sip/sdp mi sip/sdp is [code] <--- SIP read from UDP:152.74.21.12:5060 ---> ACK sip:1001@152.74.21.12:6112 SIP/2.0 Via: SIP/2.0/UDP 152.74.21.12;branch=z9hG4bKcydzigwkX Via: SIP/2.0/UDP 190.164.204.227:41553 ;branch=z9hG4bK-d8754z-84f73c7e042445de-1---d8754z-;rport=41553 Max-Forwards: 16 Contact: <sip:JavierTren@190.164.204.227:41553;transport=UDP> To: <sip:1001@152.74.21.12;transport=UDP>;tag=as6e487bf1 From: <sip:JavierTren@152.74.21.12;transport=UDP>;tag=2b8fa52c Call-ID: NjgyMTViMDAyMzczNjIyNWIwZWU3OWJjZDAxMWFkNjY. CSeq: 2 ACK Proxy-Authorization: Digest username="JavierTren",realm="152.74.21.12",nonce="VGFnblRhZkIpJRpScSaEi795VKe4uof0",uri=" sip:1001@152.74.21.12 ;transport=UDP",response="116bf459c22231d0a770534d674b768d",algorithm=MD5 User-Agent: Zoiper r27147 Content-Length: 0 <-------------> --- (12 headers 0 lines) --- set_destination: Parsing <sip:152.74.21.12;lr=on;ftag=2b8fa52c> for address/port to send to set_destination: set destination to 152.74.21.12:5060 Audio is at 12064 Adding codec 100002 (gsm) to SDP Adding codec 100003 (ulaw) to SDP Adding non-codec 0x1 (telephone-event) to SDP Reliably Transmitting (NAT) to 152.74.21.12:5060: INVITE sip:JavierTren@190.164.204.227:41553;transport=UDP SIP/2.0 Via: SIP/2.0/UDP 152.74.21.12:6112;branch=z9hG4bK3992226d;rport Route: <sip:152.74.21.12;lr=on;ftag=2b8fa52c> Max-Forwards: 70 From: <sip:1001@152.74.21.12;transport=UDP>;tag=as6e487bf1 To: <sip:JavierTren@152.74.21.12;transport=UDP>;tag=2b8fa52c Contact: <sip:1001@152.74.21.12:6112> Call-ID: NjgyMTViMDAyMzczNjIyNWIwZWU3OWJjZDAxMWFkNjY. CSeq: 102 INVITE User-Agent: Asterisk PBX 11.13.0 Session-Expires: 1800;refresher=uac Min-SE: 90 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE Supported: replaces, timer X-asterisk-Info: SIP re-invite (External RTP bridge) Content-Type: application/sdp Content-Length: 256 v=0 o=root 1842142539 1842142540 IN IP4 192.168.1.8 s=Asterisk PBX 11.13.0 c=IN IP4 192.168.1.8 t=0 0 m=audio 8000 RTP/AVP 3 0 101 a=rtpmap:3 GSM/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 [/code] and the field o and c i need to IP public y no private,, plz any?

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database scheme generation and synchronization
by Måns Nilsson 21 Nov '14

21 Nov '14

Greetings, I'm fighting a number of errors in the 'acc' table like so: Nov 21 01:43:05 landsort postgres[53327]: [4-1] ERROR: column "time" of relation "acc" does not exist at character 78 That is, I believe, the default column name. Thing is, though, that the DDL that I used to build the table, is the one in in scripts/ and it does not does not contain that string: (on master but it is the same in 4.2 which is what I've got in production) $ for d in mysql oracle postgres ; do egrep '\btime\b' scripts/${d}/*create* ; done $ How are those files generated? How do I come about to submitting an useful patch? What is the desired datatype for the time column? -- Måns Nilsson primary/secondary/besserwisser/machina MN-1334-RIPE +46 705 989668 Edwin Meese made me wear CORDOVANS!!

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rtpengine flags UDP/TLS/RTP/SAVP and UDP/TLS/RTP/SAVPF
by Juha Heinanen 21 Nov '14

21 Nov '14

Richard Fuchs wrote: > The command flags "RTP/AVP" etc are translated into the key > "transport-protocol=$X" within the control protocol. If you wish to > force usage of one of the UDP/TLS/... protocol, you should be able to do > so by spelling it out in your command. I believe this is not documented, > but should work. i tried and the offer and audio worked accordingly: Nov 21 05:37:15 rautu /usr/bin/sip-proxy[11113]: INFO: ===== rtpengine_offer(ICE=force replace-session-connection replace-origin via-branch=1 transport-protocol=UDP/TLS/RTP/SAVP trust-address) for consistency, it might be a good idea to make the dtls flags known to rtpengine module. -- juha

1 0

Kamailio creates tons of REDIRECT packages...
by Arnau Riba 20 Nov '14

20 Nov '14

Hello! I'm having this issue and I'm not able to solve it. I have searched it many times on the Internet but I found nothing, that's why I am asking here... I'm sorry I do not wanna cause any troubles but I need to get this done... This is my scenario, I want to make a call through a Kamailio server that redirects to another server. I have an User A registered to Server A and a User B registered to Server B, what I want to do is the following: User A calls User B using Server A, because Server A doesn't have the User B the Server A will redirect to Server B and make the call. I'm using Ekiga and of course Kamailio (and I want to make it work both ways). This is the code I'm using to do this in kamailio.cfg, I replaced this lines of code: *$avp(oexten) = $rU; if (!lookup("location")) { $var(rc) = $rc; route(TOVOICEMAIL); t_newtran(); switch ($var(rc)) { case -1: case -3: send_reply("404", "Not Found"); exit; case -2: send_reply("405", "Method Not Allowed"); exit; } }* For this ones: *$avp(oexten) = $rU; if (!lookup("location")) { sl_send_reply("300",("REDIRECT")); rewritehostport("10.80.129.177"); forward(uri:host,uri:port); break; }* And it didn't work, then I putted the lines above as the following: *$avp(oexten) = $rU; if (!lookup("location")) { * * forward(uri:host,uri:port); rewritehostport("10.80.129.177");* * sl_send_reply("300",("REDIRECT")); break; }* And it worked but if I do a Wireshark Capture on the Server I get a lot of REDIRECT packets and my teacher says this is wrong, that I should only get 1. He did not help me and said I must learn and I want but I'm not able to understand what's going on, I need to do this because I want to pass the exam and not to fail... Again I'm sorry for taking your time, I'm asshamed. Thank you very much

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Re: [SR-Users] rtpengine UDP/TLS/RTP/SAVP <=> RTP/AVP re-INVITE
by Richard Fuchs 20 Nov '14

20 Nov '14

On 11/18/2014 08:29 PM, Juha Heinanen wrote: > Richard, > > Enclosed find syslog that includes rtgpengine log at level 7 and also > pcap of the call. I made re-invite from baresip to sems once I saw this > in syslog: > > Nov 19 03:22:14 rautu rtpengine[29718]: [5315d797a9a5e7ce port 50761] DTLS-SRTP successfully negotiated > > I didn't include the to this message due to the pcap. Looking at your logs, I think what happened is that you've included the "trust-address" flag in the original answer, but haven't included it in the answer to the re-invite. This means that in the second answer, rtpengine erroneously saw a different endpoint than before (using the source address of the SIP packet), in response to this it also opened a new endpoint on its own side, which was then sent to the DTLS-SRTP client. This client then saw the new endpoint and correctly started a new DTLS connection, meanwhile rtpengine was still using the old keys and (I'm guessing) neither expected nor processed the new DTLS handshake, thus en/decrypted SRTP using the old keys, resulting in mangled RTP packets. So the short-term fix would be to include trust-address to avoid switching endpoints. As for DTLS restarts in rtpengine, this is something that I was just working on and DTLS restarts on changed endpoints should be working soon. cheers

2 1

Thread safety of shared variables
by Alex Balashov 19 Nov '14

19 Nov '14

Does setting $shv()s in script require lock()ing, or is it inherently thread-safe? Thanks! -- Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com/

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Kamailio Does NOT Forward Registration Requests To Asterisk.
by Mahmoud Ramadan Ali 19 Nov '14

19 Nov '14

Hi Dears, I'm trying to configure Kamailio as SBC in multi home mode for Asterisk by authenticating the inbound SIP registration requests,i'm following this tutorial http://kb.asipto.com/asterisk:realtime:kamailio-4.0.x-asterisk-11.3.0-astdb to achieve this goal. i have modified the necessary changes like the Asterisk DB URL and the SIP table name and Username and password column and verified the connection. My topology like this *Asterisk (192.168.100.10) <----Internal:192.168.100.1---->Kamailio<---External:192.168.50.1-----> SIP Phone (192.168.50.2)* But when trying to register a SIP phone Kamailio does NOT forward the authentication request to Asterisk and sends 401 Unauthorized error message.I've attached my config file if any one wants to check it and thanks in advance. Best Regards U 192.168.50.2:37297 -> 192.168.50.1:5060 REGISTER sip:192.168.50.1;transport=UDP SIP/2.0. Via: SIP/2.0/UDP 192.168.50.2:37297 ;branch=z9hG4bK-d8754z-a46e0c7c9d98fe52-1---d8754z-;rport;transport=UDP. Max-Forwards: 70. Contact: <sip:1001@192.168.50.2:37297 ;rinstance=1d7c44dbcb8a7a2f;transport=UDP>. To: <sip:1001@192.168.50.1;transport=UDP>. From: <sip:1001@192.168.50.1;transport=UDP>;tag=1d222e19. Call-ID: NTc2NDBjMGQ2YWFmZjdmNWI0MzVmN2Y4NzYyODJlMTc.. CSeq: 2 REGISTER. Expires: 70. Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE. Supported: replaces, norefersub, extended-refer, timer, X-cisco-serviceuri. User-Agent: Z 3.2.21357 r21367. Authorization: Digest username="1001",realm="192.168.50.1",nonce="VGfAuFRnv4wMvoTG7wA9tqYD9fgZDe3D",uri="sip:192.168.50.1;transport=UDP",response="8bbd01d879250585eafee4f510689f73",algorithm=MD5. Allow-Events: presence, kpml. Content-Length: 0. # U 192.168.50.1:5060 -> 192.168.50.2:37297 SIP/2.0 401 Unauthorized. Via: SIP/2.0/UDP 192.168.50.2:37297 ;branch=z9hG4bK-d8754z-a46e0c7c9d98fe52-1---d8754z-;rport=37297;transport=UDP. To: <sip:1001@192.168.50.1 ;transport=UDP>;tag=b27e1a1d33761e85846fc98f5f3a7e58.fe8b. From: <sip:1001@192.168.50.1;transport=UDP>;tag=1d222e19. Call-ID: NTc2NDBjMGQ2YWFmZjdmNWI0MzVmN2Y4NzYyODJlMTc.. CSeq: 2 REGISTER. WWW-Authenticate: Digest realm="192.168.50.1", nonce="VGfAuFRnv4wMvoTG7wA9tqYD9fgZDe3D". Server: kamailio (4.1.6 (i386/linux)). Content-Length: 0.

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