sr-users February 2007

sr-users@lists.kamailio.org

158 participants
286 discussions

[Users] set RURI with dispatcher module
by Klaus Darilion 08 Feb '07

08 Feb '07

Hi! I want to use the dispatcher module to use load-balancing/failover to gateways. Thus, I also want to change the domainpart of the RURI to be the IP address of the gateway - but dispatcher only sets the DURI. Is there an easy way to set the RURI/domain too or do I have to use: avp_write("$rU","$avp(i:666)"); ds_select_dst(...); avp_pushto("$ru","$du"); avp_pushto("$ru/username","$avp(i:666)"); Is there a more easy way? btw - I think above workaround would not work in failure_route as ds_next_dst adds a new branch but avp_pushto works against branches[0] - correct? thanks klaus

3 4

[Users] SIP Proxy - CAC
by Michel Bensoussan 08 Feb '07

08 Feb '07

Hello, I need to write a CAC (Call Admission Control) module for an 802.11 AP (Access Point). The idea is to use a SIP Proxy to monitoring bandwith utilization, for example according to codec, and allow or disallow new sessions, depending on resources. I'm thinking using OpenSER for this purpose. On a first stage I want to install a SIP Proxy on the AP (embedded with OS Linux) and on a second stage adding the CAC feature. There is many modules in OpenSER and I'm not sure which one I should use for a SIP Proxy. I'm learning about SIP but my knowledge is limited (till last week I never heard about it). Thank you for advising. Regards, Michel.

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[Serusers] 0.9.x mysql.so: undefined symbol: log error
by Steve Blair 08 Feb '07

08 Feb '07

Hi: I keep getting the following error on a 0.9.x system. The latest 0.9.x version of SER was just download and built on this server but I continue to get this same error. I've check the mysql Makefile and it seems to be correct. What else could cause this error? ERROR: load_module: could not open module </usr/local/lib/ser/modules/mysql.so>: /usr/local/lib/ser/modules/mysql.so: undefined symbol: log Thanks,Steve

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[Serusers] sequential hunting
by Steve Blair 08 Feb '07

08 Feb '07

Hello: I would like to implement sequential hunting. Hunting is when a call arrives for a given subscriber, no one answers the original number so the proxy populates the username portion of the r-uri with another number (from the database) and tries again. This process continues until all numbers in the database are exhausted. I have the "failover" working but the r-uri field is not updated on any interation though the failure_route. Does anyone have any ideas how to make the following work? Thanks,Steve # hunting (serial forking) if (avp_db_load("$ruri/username", "s:allow_hunt")) { if (avp_check("s:allow_hunt", "eq/y/i")) { avp_delete("s:allow_hunt"); xlog("L_INFO", "\n[SER]: [%Tf] [%ci] Call Hunting Enabled for <%ru>\n"); avp_db_load("$ruri/username", "s:huntlist/sam"); xlog("L_INFO", "\n[SER]: [%Tf] [%ci] Call Hunting Started to <%ru>\n"); t_on_failure("6"); t_relay(); break; }; }; # Iterate through extension list for subscribers with call hunting enabled failure_route[6] { xlog("L_INFO", "\n[SER]: [%Tf] [%ci] Failure Block #6: HUNTING for <%ru> from <%fu> at <%is>\n"); if (avp_pushto("$ruri/username", "s:huntlist/g")) { append_branch(); avp_delete("s:huntlist"); t_on_failure("6"); t_relay(); }; }

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[Users] RADIUS acc ok, RADIUS auth not
by Luca Corti 08 Feb '07

08 Feb '07

Hello, I'm having a hard time getting RADIUS auth to work at all. I've reached the point where I am debugging the network traffic with tshark. I can see RADIUS packets generated from the openser box for accounting, but no RADIUS authentication packets are sent. Also, it seems no response comes back from the RADIUS server even for accounting requests. radclient against my radius server returns me an Access-Reject at least and the tshark dump contains auth request and response. OpenSER 1.1.1 tells me: Feb 6 17:27:04 openser openser[22596]: rc_send_server: no reply from RADIUS server I suspect the issues lie in the radiusclient-ng layer. I'm using radiusclient-ng from Debian Etch (0.5.3-2), but I see many branches in CVS, like RELENG_0_5_5 which seems newer. thanks

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[Users] uac_replace_from() not work for Linksys ATA
by Howard Tang 08 Feb '07

08 Feb '07

HI All, I have a problem with uac_replace_from() function not working for Linksys Unit. This is what i have in the route[1], if (search("From:.*<sip:900*")) { uac_replace_from("anonymous","sip:anonymous@x.x.x.x"); } I have 0900xx as internal sip account, then I have to remove the 0900xx callerid before i send the call to PSTN gateway. Because 0900xx is not a valid number, Mobile phone providers block the call because of that, as a result, I need to replace the callerid to anonymous. I have tested with many other ATA and X-Lite without problem. The problem only ocurrs when i use Linksys ata. I have monitored the SIP message, the first request will change to anonymous then back to the original username. Anyone have an idea on how i can fix this ? -- Howard Tang ICQ : 259083 MSN : howard615(a)hotmail.com

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[Serusers] Digest Authentication in Ottendorf server
by raj gopal 08 Feb '07

08 Feb '07

Hi, I can not use www_challenge(realm,qop)function in ser.cfg file even though auth module is loaded. The readme file has documentation for it. When I use the following in config file and start SER, the following error is thrown if (!radius_www_authorize("")) { www_challenge("", "1"); // parse error break; }; parse error (197,49-50): unknown command, missing loadmodule? I am using Ottendorf release. How to do digest authentication with new release??** <http://ftp.iptel.org/pub/ser/daily-snapshots/unstable/> -Venkat

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[Users] Angle bracket in Route header coming from Contact and strict router
by Marcello Lupo 08 Feb '07

08 Feb '07

Hi to all, little question about populating the Route Header field. I'm dealing with 2 CPE of different vendors (Patton and Netsynt) and an Openser in the middle. Patton in their SIP is not using angle bracket on SIP From,To and Contact headers. Netsynt is using strict routing method to build BYE messages. This is causing that when Netsynt is creating the BYE it is putting the proxy IP in the R-URI and the URI of Contact received from previuos packets from patton in the Route header to let it be processed by the proxy. In this way the Route header field constructed is without the <> enclosing the uri. Netsynt keep it from previous Contact without any manipulation on it. This is causing an error on the proxy parsing the name-addr field of the Route header field and the loose_route() fail. Seems that it is mandatory for Openser to get angle bracket in Route header fields. Now in the section 20 of RFC3261 is said that it is not a MUST that From,To and Contact header have to be enclosed in angle bracket. So i'm searching in the RFC where is said that if the Contact is without the angle bracket the UAC have to check if the Contact have the <> and if it don't have the <> it have to insert it before to out it on the Route (i searched the RFC2543 too). can someone give me clarification on this issue? Where is written the Route header field is mandatory to have <> enclosing the URI. I'm searching all of this because i have to give a good reason to each vendor (Netsynt and Patton) to modify their sip stack for this issue. I don't know who of the 2 should fix the problem. If Patton to add <> in each request or Netsynt to fix the Route field population. Thanks, Bye, Marcello

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RE: [Serusers] xlite and ser
by Su Kerry 08 Feb '07

08 Feb '07

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[Serusers] xlite and ser
by zahra bahar 08 Feb '07

08 Feb '07

Hi all. could any one send me all the things that I should do for having only a call between two xlite phones with ser server? I have installed ser and xlite on 10.10.10.138 and another xlite phone on 10.10.10.195. the xlite phone on 10.10.10.195 sends register massage to 10.10.10.138 but xlite phone that is on 10.10.10.138 doesn't send massage to ser. I didn't change any thing in ser only fork=no,log-stderror=yes.children=4. and I don't user sql. thanks. --------------------------------- Access over 1 million songs - Yahoo! Music Unlimited.

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sr-users February 2007