sr-users September 2008

sr-users@lists.kamailio.org

95 participants
155 discussions

[Serusers] Handling server with broken record-route handling

by Marcus Better

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I have problems with a remote server, outside of my control, that seems to have very broken request URI handling. It is possibly suffering from an Asterisk bug [1] or something similar. On my side I have a UAC (IP address 172.16.1.102) and a SER 2.0 proxy. The UAC sends an INVITE, and the remote UAS ends the dialog with a BYE request. However this BYE returns to my proxy with missing route headers, so SER cannot route it. I need to work around the problem with SER on my side and wonder what the best solution is. Here is the relevant part of the conversation as seen on my proxy 80.81.82.3 (slightly massaged, irrelevant parts cut): INVITE sip:00463112341234@proxy.remote.com SIP/2.0. Record-Route: <sip:80.81.82.3;avp=Z3oDBwBhY2NvdW50AwB5ZXM;lr>. Call-ID: f730a3a6a5c450508274739a8133ae7f(a)172.16.1.102. CSeq: 1 INVITE. To: <sip:00463112341234@proxy.remote.com>. From: <sip:17473605948@proxy.remote.com>;tag=2045565953650740630. Via: SIP/2.0/UDP 80.81.82.3;branch=z9hG4bK761b.b1548ac4.0. Via: SIP/2.0/UDP 172.16.1.102:5060;rport=5060;appname=myapp;branch=z9hG4bK74592b710287e6cfa94b4cf9c10e15bf. Contact: "17473605948" <sip:172.16.1.102:5060;transport=udp>. SIP/2.0 200 OK. Via: SIP/2.0/UDP 80.81.82.3;branch=z9hG4bK761b.b1548ac4.0. Via: SIP/2.0/UDP 172.16.1.102:5060;rport=5060;appname=myapp;branch=z9hG4bK74592b710287e6cfa94b4cf9c10e15bf. Record-Route: <sip:123.12.13.14;lr;ftag=2045565953650740630>. Record-Route: <sip:80.81.82.3;avp=Z3oDBwBhY2NvdW50AwB5ZXM;lr>. From: <sip:17473605948@proxy.remote.com>;tag=2045565953650740630. To: <sip:00463112341234@proxy.remote.com>;tag=as438ee174. Call-ID: f730a3a6a5c450508274739a8133ae7f(a)172.16.1.102. CSeq: 1 INVITE. Contact: <sip:011463112341234@130.94.88.93:5060>. ACK sip:01146739835569@130.94.88.90:5060 SIP/2.0. Record-Route: <sip:80.81.82.3;avp=Z3oDBwBhY2NvdW50AwB5ZXM;lr>. Call-ID: f730a3a6a5c450508274739a8133ae7f(a)172.16.1.102. CSeq: 1 ACK. Via: SIP/2.0/UDP 80.81.82.3;branch=0. Via: SIP/2.0/UDP 172.16.1.102:5060;rport=5060;appname=myapp;branch=z9hG4bK96a96b64dfd5aba5c896c37e0de18850. From: <sip:17473605944@proxy.remote.com>;tag=7737826714334905221. To: <sip:0046739835569@proxy.remote.com>;tag=as543c9f3f. Route: <sip:123.12.13.14;lr;ftag=7737826714334905221. Content-Type: application/sdp. BYE sip:80.81.82.3:5060 SIP/2.0. Record-Route: <sip:123.12.13.14;lr;ftag=as438ee174>. Via: SIP/2.0/UDP 123.12.13.14;branch=z9hG4bK100d.d617f387.0. Via: SIP/2.0/UDP 130.94.88.93:5060;branch=z9hG4bK0256ad7c;rport=5060. Route: <sip:80.81.82.3;avp=Z3oDBwBhY2NvdW50AwB5ZXM;lr>. From: <sip:00463112341234@proxy.remote.com>;tag=as438ee174. To: <sip:17473605948@proxy.remote.com>;tag=2045565953650740630. Call-ID: f730a3a6a5c450508274739a8133ae7f(a)172.16.1.102. CSeq: 102 BYE. I think this BYE is incorrect. It should have the originator's Contact (sip:172.16.1.102:5060;transport=udp) in the request URI and the Record-Routes of the original INVITE in the Route header. Or, if it is a strict router, it could have the current request URI but add the Contact as the last Route header. Now it has destroyed the originator's route information. What is the best way to get SER to remember/reconstruct this last hop to the UAC? Cheers, Marcus [1] http://bugs.digium.com/view.php?id=3609 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkjXkbQACgkQXjXn6TzcAQnhrQCeP9T0pR+AlPJjTr8OCS5nNOAA GBIAnR5pw68rqe1PR00jDLvcYh+eQXPP =sdca -----END PGP SIGNATURE-----

15 years, 7 months

[Kamailio-Users] Kamailio+Asterisk Need Help

by VIP Carrier

Hi, I'm trying to setup an HA cluster based of 2 Proxy 4 Asterisk 2 DB's Can some one please help me with this.

15 years, 7 months

[Kamailio-Users] Crate prepaid account on CDRTool

by Adrian Georgescu

Click on the Rating link then select Prepaid table. There you can add new accounts Adrian

15 years, 7 months

[Kamailio-Users] New MediaProxy release 2.1.0

by Adrian Georgescu

MediaProxy2 uses the Linux kernel for routing packets.So it uses all the cores and CPUs recognized by the kernel. Adrian

15 years, 7 months

[Kamailio-Users] OT: openser/Asterisk management GUI

by Klaus Darilion

Hi! FYI: I just found this one: http://carrierclass.net/ looks like it is a central management webinterface for a openser-asterisk setup. regards klaus

15 years, 7 months

[Kamailio-Users] Problem Dynamically Setting Forward

by Jon Farmer

Hi I am trying to call a script via exec_avp and then use the output of the script to use as an argument to forward(). Such as route[2] { # forward to AGCF exec_avp("/usr/utils/select_incoming_agcf.php"); record_route(); xlog("forward to: $avp(i:1)\n"); #forward("$avp(s:1)"); forward("$avp(s:1); exit; } However syslog complains as follows Sep 18 11:42:12 vla openser[19470]: ERROR:core:parse_phostport: bad protocol in $avp(s:1) Sep 18 11:42:12 vla openser[19470]: ERROR:core:fix_actions: ERROR:fix_actions: FORWARD/SEND bad argument Sep 18 11:42:12 vla openser[19470]: ERROR:core:main: failed to fix configuration with err code -6 The output of the script is 10.0.0.1:5060 Any ideas? Regards Jon

15 years, 7 months

[Kamailio-Users] Using asterisk to pstn integration

by Tiago Rés

Hello all, I'm running openser 1.2.2, and i want to make/receive pstn calls. I have installed asterisk 1.4. in the same machine. Do I need to change the port in asterisk? and how to do it? What are the basic lines in the configuration files of asterisk to accomplish that? I don't think I have problem with openser.cfg. Sorry about the questions but I don't seem to find the exact documentation I need. Thanks in advance! Tiago Res

15 years, 7 months

[Kamailio-Users] Crate prepaid account on CDRTool

by Diego Zuaneti Arruda

Hello, Somebody have a example to create a prepaid account on CDRTool database ? Thanks. Diego.

15 years, 7 months

[Kamailio-Users] double resquests

by BERGANZ François

Hello, I need help because, when myopenser look at a frame, it forward it in double always. You can look at it on the join picture. Thank you for advices. Cordialement BERGANZ François http://www.acropolistelecom.net <http://www.acropolistelecom.net/>

15 years, 7 months

[Kamailio-Users] Help Me on OpenXCAP...

by mahesh.peddi＠info-spectrum.com

Hi ALL, I installed openxcap 1.0 version and its dependences. When i run "openxcap --no-fork" and openser 1.3.2v. I am getting these errors. ************************************************************************************************************* [root@info infopresence-1.2.0-tls]# openxcap --no-fork Starting Open XCAP 1.0.0 Traceback (most recent call last): File "/usr/local/bin/openxcap", line 53, in <module> from xcap.server import XCAPServer File "/usr/local/lib/python2.5/site-packages/xcap/server.py", line 21, in <module> from xcap import authentication File "/usr/local/lib/python2.5/site-packages/xcap/authentication.py", line 21, in <module> from xcap.appusage import getApplicationForURI, namespaces File "/usr/local/lib/python2.5/site-packages/xcap/appusage/__init__.py", line 42, in <module> class ServerConfig(ConfigSection): File "/usr/local/lib/python2.5/site-packages/xcap/appusage/__init__.py", line 45, in ServerConfig backend = Backend('Database') File "/usr/local/lib/python2.5/site-packages/xcap/appusage/__init__.py", line 40, in __new__ raise ValueError("Couldn't find the '%s' backend module: %s" % (value.lower(), str(e))) ValueError: Couldn't find the 'database' backend module: No module named _mysql_exceptions [root@info infopresence-1.2.0-tls]# ******************************************************************************************************************** Here with i am enclosing the config.ini file. Please guide me on this. Thanks & Regards, Mahesh Peddi

15 years, 7 months

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sr-users September 2008