sr-users November 2005

sr-users@lists.kamailio.org

245 participants
571 discussions

[Users] Questions
by Douglas Garstang 28 Nov '05

28 Nov '05

I would REALLY appreciate if someone could answer the following questions for me. 1. What is the definition of a 'negative' result in relation to t_reply()? I am seeing situations where t_relay() seems to think that 407 Proxy Auth is a negative result, because a previously set t_on_failure is executing when it connects to the gateway sucessfully. 2. Under what circumstances does t_reply() return 0, and under what circumstaces does it return -1? Seems like it always returns 0, no matter what happens. 3. When t_relay() fails to connect to a gateway, if t_on_failure(N) had previously been set, where does execution jump to t_on_failure(N)? It isn't right after t_relay() returns, and it isn't _within_ t_relay, so where is it? Is it at some arbitrary point? Is it after the current route() block ends? Thanks, Doug.

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[Users] Remote PSTN gateway
by Christoffer Soop 28 Nov '05

28 Nov '05

Hi there! I would like to implement the following scenario using OpenSER: - when a SIP client sends a request consisting of only a simple phone number (on the form +CC-AAA-NNNNNN, with or without plus sign, hyphens, possible spaces etc where C, A and N are simple numbers) OpenSER should route the request to another, remote SIP-proxy acting as a PSTN gateway. - either the same credentials should be used or preferebly credentials dependent on the domain name of the callee for all requests to the SIP-proxy - after the session with the remote proxy has been set up OpenSER either works as proxy between the client and the remote proxy, or better transfers the session to the client - all requests for a client not on the form of a phone number (i.e. with a fully qualified domain name should be routed to the correct location as decided by SRV-records etc. Is this possible? Any hints on how to accomplish this? Sincerely, Kris PS/Please note that I am new to OpenSER, SIP and SIP terminology...

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[Users] OT Question
by Tavis P 28 Nov '05

28 Nov '05

Does anyone know if it is possible (and then how) to specify the RTP port range on cisco TDM gateways (3640, 5300, 5400, 5800, etc) It seems inconceivable that it can't be done on cisco hardware, but i havn't been able to find any information on how to do it, i've talked to several cisco engineers that don't know how to do it either. Again, sorry for the OT question tavis

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[Users] Prevent bandwidth lost
by Christophe Irles 28 Nov '05

28 Nov '05

Hi, I'm wondering how to prevent bandwitdh lost with (open)SER+MediaProxy in this type of network configuration: UA0 --- [(open)SER+MediaProxy] --- [ Internet ] --- [ FW/NAT ] --- [UA1, UA2] UA1, UA2 are one the same network and they are registered in the (open)SER server. If UA1 call UA2 with default media proxy configuration, the RTP flow will not be direct between this two UA. So I lost twice bandwith (from SER to UA1 and SER to UA2). How can i prevent this ? On the REGISTRAR process, I think I could store the public IP used by UA1 and UA2 and the two private IP of this UA. Since they have the same public IP but a different private IP, on the INVITE procces I suppose it's could be possible to indicate that RTP flow can be direct between this two devices, no ? Now which tools (modules) could be used to resolve this ? Thanks, Christophe

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[Serusers] Is there a way to get ACC to NOT log ACK's?
by Leo Papadopoulos 28 Nov '05

28 Nov '05

Dear serusers, I am running 0.9.4 and am successfully logging calls to MySQL using the ACC module. I have added a statement to my ser.cfg to get the ACC module to NOT log OPTIONS as follows: if (method!="OPTIONS") { setflags.. } The above works and I am not logging OPTIONS. I tried the modification below, but it didn't work to get rid of ACK's. They are still being logged. if ((method!="OPTIONS") & (method!="ACK")) { setflags.. } How can I get ACC NOT to log ACK's records into the database? Leo P.

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[Serusers] Problem about SEMS implement voicemail...
by 昂達 28 Nov '05

28 Nov '05

Hello All : I have installed SER + SEMS to implement voicemail, but only the first call can connect to voicemail, and can mail message.wav to callee's e-mail address . but after the first call , i can not connect to voicemail until i restart SEMS then i execute "sems -E " it shows that: (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) ERROR: run (AmServer.cpp:161): odd trailer (29104) WARNING: sig_usr_fifo (sems.cpp:84): signal 2 received (29103) WARNING: sig_usr_fifo (sems.cpp:84): signal 2 received (29103) WARNING: sig_usr_fifo (sems.cpp:84): signal 17 received How to solve this problem ?? *ser.cfg and sems.conf was attached. 本郵件附件清單如下： (1). sems.conf.txt (1.4 K) (2). ser.cfg.txt (7.3 K)

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[Serusers] SEMS---how to configure MYSQL DB use unix socket ??
by 昂達 28 Nov '05

28 Nov '05

Hello All In "ser.cfg" file how to configure MYSQL DB to use unix socket?? In my "sems.conf" have configure as fllow : ...... socket_name=/tmp/am_sock ser_socket_name=/tmp/ser_socket send_method=unix_socket ......

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[Serusers] Problem regarding init_hfname_parser & init_digest_parser specified in serdev.txt
by nitin ganjsinghani 28 Nov '05

28 Nov '05

hi friends there are no functions with name *init_hfname_parser* & *init_digest_parser *in any file of the TAR package. can anybody plz tell me the function name corresponding to the above functions in SER-0.9.4 Thanks Nitin

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[Users] Avpops Module
by Douglas Garstang 27 Nov '05

27 Nov '05

I swear, getting OpenSER to do anything is worse than pulling teeth. The avpops module documentation at: http://www.openser.org/docs/modules/1.0.x/avpops.html#AEN165 has the following example under the db_scheme command: ... modparam("avpops","db_scheme", "scheme1:table=subscriber;uuid_column=uuid;value_column=first_name") ... which causes the following error to be reported in syslog.conf: Nov 27 14:24:52 ser1 openser: ERROR:avpops:parse_avp_sb_scheme: unknown attribute <uuid_column> Nov 27 14:24:52 ser1 openser: ERROR:avpops:avp_add_db_scheme: falied to parse scheme Nov 27 14:24:52 ser1 openser: parse error (102,3-4): Can't set module parameter Why? The example at the 'alleged' tutorial at: http://www.voice-system.ro/docs/avpops/ which is just the docs at openser.org cut and pasted mostly has this example: ... modparam("avpops","db_scheme", "scheme1:uuid_col=uid;value_col=job;value_type=string;table=emp") ... which does not generate any errors in syslog. HOWEVER, when avp_db_load() is called, the following is logged to syslog.conf: Nov 27 14:21:42 ser1 openser[2424]: ERROR:avpops_init: "AVP_DB" present but "AVP_TABLE" found empty Nov 27 14:21:42 ser1 openser[2424]: init_mod(): Error while initializing module avpops Why??? The docs say I can use dbscheme to use a non standard AVP table, which is what I am trying to do, namely the subscriber table. If I can use dbscheme to define the columns from another table, why is OpenSER complaining that I haven't called modparam("avpops","avp_table","avptable")????? Doug.

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RE: [Users] t_check_status
by Douglas Garstang 27 Nov '05

27 Nov '05

That doesn't look like an RFC to me. It's not cataloged at rfc.net, and doesn't have a number. I didn't even know it existed. Thanks though. Like most things related to Openser, the knowledge is just assumed. -----Original Message----- From: Norman Brandinger [mailto:norm@goes.com] Sent: Sun 11/27/2005 9:02 AM To: Douglas Garstang Cc: users(a)openser.org Subject: Re: [Users] t_check_status Before you can take advantage of what OpenSER has to offer, you should become familiar with the the various RFC's associated with SIP communication. AVP stands for Attribute - Value Pair. Basically, it maps an attribute for example, "NPA" to a value such as "212". The AVP's do have the ability to use databases to store and retrieve values, however, this is not a requirement. The configuration file can set, test and/or access an AVP without any database access. In real life situations, you will most probably want to use a database to store and retrieve AVP's. RPID is defined here: http://www.iptel.org/ietf/security/identity/draft-ietf-sip-privacy-04.txt Regards, Norm Douglas Garstang wrote: > I thought AVP stuff was database related.... this confuses me even more. I am reading the documentation you know.... constantly. Considering it looks like it was written by the people who developed OpenSER, there's a lot of implied/assumed knowledge there, and the scripting language is very high level, it's bloody difficult to work out what the documentation means. > > For example... where's the definitiaion of AVP? I still can't find what an 'rpid' is. > > -----Original Message----- > From: Juha Heinanen [mailto:jh@tutpro.com] > Sent: Sat 11/26/2005 9:29 PM > To: Douglas Garstang > Cc: users(a)openser.org > Subject: RE: [Users] t_check_status > > > > Douglas Garstang said: > > > I really don't even get the point of what an AVP is. Something to do with > > databases. I don't see why database interaction is needed to set a timer. > > That's crazy. > > > > i don't know what is cracy, since no database interaction is needed to set > a timer. timers can be set in many different ways. read usrav > documentation. > > --juha > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Users mailing list > Users(a)openser.org > http://openser.org/cgi-bin/mailman/listinfo/users >

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sr-users November 2005