sr-users December 2004

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184 participants
400 discussions

[Serusers] Your message to Sems awaits moderator approval
by sems-bounces＠lists.iptel.org 02 Dec '04

02 Dec '04

Your mail to 'Sems' with the subject Oh God it's Is being held until the list moderator can review it for approval. The reason it is being held: Post by non-member to a members-only list Either the message will get posted to the list, or you will receive notification of the moderator's decision. If you would like to cancel this posting, please visit the following URL: http://lists.iptel.org/cgi-bin/mailman/confirm/sems/132b60af28b2f62addc7de6…

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[Serusers] re : debug level
by Gandhi, Jignesh 02 Dec '04

02 Dec '04

Hello All, If I wanted to see the debug messages in /var/log/messages, then how high do I need to set the debug level in ser.cfg. I have "L_DBG" in LOG statement and for some reason I am not seeing them in the /var/log/messages. my current setting in the ser.cfg file is debug=4 thanks, Jignesh Gandhi Software Engineer II Jignesh.Gandhi(a)glenayre.com (770)283 1706

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[Serusers] SER+Asterisk:Ack lost
by Jain, Hitesh 02 Dec '04

02 Dec '04

Hi All, I recently started working for a voip company and I am put into testing of ser and asterisk. The set up is as follows. UA1-------NAT------------SER----------------Asterisk | UA2 All the messages(Invites,Oks, ACKs) from the UA1 are passed to the SER, the SER forwards them to the Asterisk, then the asterisk hands it back to the SER and the SER forwards it to UA2. Same works vice a versa too.(I have no clue why the set up is this way!!) I have NAThelper/RTP proxy running. Both UA1 and UA2 are registered to the SER UA1 can make a call to UA2 and both can hear each other. But UA2 cannot make a call to UA1. Here is what happens. UA2 sends invite to SER.The SER changes the headers and 'c' and 'm' field in SDP and forwards it to Asterisk. The Asterisk acting as B2BUA, again changes Call ID and required fields and hands it back to SER.The SER then forwards the invite to UA1.UA1 sends an OK back to SER which the SER gives it to Asterisk.As soon as Asterisk receives OK, it sends an ACK back to SER for UA1, but the SER never forwards this ACK back to UA1.The Asterisk then sends OK to SER for UA2 which SER forwards correctly.But UA1 is still waiting for the ACK...hence the signalling gets looped.(ringing can be heard). The ACK which the Asterisk sends back contains the field Route<sip: 617......@private IP of UA1> The only places the Asterisk can get this private IP is from the first OK which SER sends Asterisk.And in this OK two fields contain this address, the contact field in header and 'o' in SDP. So my questions are: 1) What is the route field for.Does it tell the SER where to forward the request? 2) Where does the asterisk pick up the Route field from?(contact header or 'o' field) 3) If this is the problem that what changes do I need to make? I hope I have not confused you.Would really appreciate any help. Thanks, Hitesh Jain.

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[Serusers] I could not find the vm module in the latest development tree
by Rajendrakumar Veerappan 02 Dec '04

02 Dec '04

hello all, I could not find the vm module in the latest development tree. help me out. Raj.

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[Serusers] SER TCP Errors
by Darren Nay 02 Dec '04

02 Dec '04

Hey All, We experienced a problem yesterday with SER and now are attempting to track down the reason that it happened in order to "hopefully" find a way to prevent it from happening again. We have been running SER successfully for the past 5+ months without much incident until yesterday morning. SER suddenly stopped responding to TCP requests. Once we restarted it then it came back. During the period that SER had stopped responding we received the following errors repeatedly in syslog. Nov 30 13:00:37 ss1 /usr/local/sbin/ser[19457]: ERROR: tcp_blocking_connect: timeout (10) Nov 30 13:00:48 ss1 /usr/local/sbin/ser[19459]: ERROR: tcp_blocking_connect: timeout (10) Any idea what would cause this specific error? Or what would cause SER to suddenly behave this way? Thanks for the help! Darren Nay VOIP Network Development Ionosphere, Inc. dnay(a)ionosphere.net <mailto:dnay@ionosphere.net>

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[Serusers] SER Application Agent... or any other SER-based B2BUA
by Alex Rootham 02 Dec '04

02 Dec '04

Hi, Is there anyone out there who has used the SER Application Agent recently? I don't notice any particularly obvious links to it from the main iptel page, but I see it on http://www.iptel.org/aa/. The reason I'm asking is that it seems to implement some B2BUA functionality (e.g. click2dial) based on SER. We're looking at using SER as our basic Proxy, but we may want to evolve into B2BUA functoinaltiy like click2dial or other kinds of 3rd-party call control. I'm just wondering if anyone out there has had any (successful or unsuccessful) experience trying to do this. Thanks Alex Rootham

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[Serusers] SER stops after connecting to RTP Proxy
by Tareq Siraj 02 Dec '04

02 Dec '04

Hi all, Its me again ... I got the RTP proxy thing working ... SER connects to RTPProxy ... then its stuck there ... doesnt proceed. the console log i get is like this: Listening on 192.168.1.21 [192.168.1.21]:5060 Aliases: machinename.localdomain:5060 machinename:* WARNING: no fork mode stateless - initializing Maxfwd module- initializing 0(8908) mod_init(): Database connection opened successfuly textops - initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 221184 2(0) INFO: fifo process starting: 8912 1(8910) rtpp_test: RTP proxy found, support for it enabled 2(8912) rtpp_test: RTP proxy found, support for it enabled 2(8912) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 0(8908) rtpp_test: RTP proxy found, support for it enabled 1(8910) 2(8912) INFO: signal 15 received Thanks in advance. Any pointer would be appreciated. - Tareq __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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RE: [Serusers] SER+ASTERISK+RTP Proxy
by Matt Schulte 02 Dec '04

02 Dec '04

RTPProxy runs on a unix port and must be running prior to running SER. Make sure you have the latest version of RTPProxy. I use portaone's version and it works great.. If you are certain both of the above are verified, you can run "rtpproxy -f" to keep it in foreground and it may pass some errors. Also, I've never used SER/RTPPRoxy when itself was *behind* a NAT. Not sure how this will react. Good luck! Matt -----Original Message----- From: Tareq Siraj [mailto:to_tareq@yahoo.com] Sent: Thursday, December 02, 2004 7:24 AM To: serusers(a)lists.iptel.org Subject: [Serusers] SER+ASTERISK+RTP Proxy Hi All, I am trying to setup a pre-paid billing system and from the search results, i see most ppl are refering to this combination. Well, i got the latest versions and compiled ok. I edit the asterisk conf files for my gateway and ser.conf to use SER. Now, i run asterisk and rtp proxy ... but when i run ser, it gives me the following message. Listening on 192.168.1.21 [192.168.1.21]:5060 Aliases: machinename.localdomain:5060 machinename:* WARNING: no fork mode stateless - initializing Maxfwd module- initializing 0(6768) mod_init(): Database connection opened successfuly textops - initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 221184 2(0) INFO: fifo process starting: 6772 1(6770) ERROR: send_rtpp_command: can't read reply from a RTP proxy 1(6770) WARNING: rtpp_test: can't get version of the RTP proxy 1(6770) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily 2(6772) ERROR: send_rtpp_command: can't read reply from a RTP proxy 2(6772) WARNING: rtpp_test: can't get version of the RTP proxy 2(6772) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily 2(6772) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 0(6768) ERROR: send_rtpp_command: can't read reply from a RTP proxy 0(6768) WARNING: rtpp_test: can't get version of the RTP proxy 0(6768) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily Any idea why this is happening? I am a total newbie to this system. Any help would be appreciated. Thanks. - tareq __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail _______________________________________________ Serusers mailing list serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers

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[Serusers] SER+ASTERISK+RTP Proxy
by Tareq Siraj 02 Dec '04

02 Dec '04

Hi All, I am trying to setup a pre-paid billing system and from the search results, i see most ppl are refering to this combination. Well, i got the latest versions and compiled ok. I edit the asterisk conf files for my gateway and ser.conf to use SER. Now, i run asterisk and rtp proxy ... but when i run ser, it gives me the following message. Listening on 192.168.1.21 [192.168.1.21]:5060 Aliases: machinename.localdomain:5060 machinename:* WARNING: no fork mode stateless - initializing Maxfwd module- initializing 0(6768) mod_init(): Database connection opened successfuly textops - initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 221184 2(0) INFO: fifo process starting: 6772 1(6770) ERROR: send_rtpp_command: can't read reply from a RTP proxy 1(6770) WARNING: rtpp_test: can't get version of the RTP proxy 1(6770) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily 2(6772) ERROR: send_rtpp_command: can't read reply from a RTP proxy 2(6772) WARNING: rtpp_test: can't get version of the RTP proxy 2(6772) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily 2(6772) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 0(6768) ERROR: send_rtpp_command: can't read reply from a RTP proxy 0(6768) WARNING: rtpp_test: can't get version of the RTP proxy 0(6768) WARNING: rtpp_test: support for RTP proxyhas been disabled temporarily Any idea why this is happening? I am a total newbie to this system. Any help would be appreciated. Thanks. - tareq __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail

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Re: [Serusers] two gateways
by Steve Blair 02 Dec '04

02 Dec '04

Ron: The failure_route will be activated when a transaction fails. This is different than a route because it is triggered by the failure of a previously executed command. The reason I asked about the word "automatically" is that a failure_route is activated after an initial attempt, in this case a t_relay command, fails. It will not be activated when an invite for a user is first received by the proxy. An example follows: # # Redirect user to vm if not availabile? # if (is_user_in("Request-URI", "voicemail")) { t_on_failure("6"); setflag(6); log(1, "[SER]: Flag for VM redirect successful. \n"); }; failure_route[6] { xlog("L_INFO", "\n[SER]: START FAILURE BLOCK #6 Unavailable user: Time: [%Tf] Method: <%rm> From uri <%fu> To < %tu> IP source address <%is> R-uri: <%ru> Contact Header: <%ct> \n\n"); revert_uri(); rewritehostport("voicemailserver.myco.com:5070"); append_branch(); t_relay_to_udp("voicemailserver.myco.com", "5070"); break; } -Steve Ron Ramos wrote: >No idea what a failure_route do. But that sounds like what I need. >Do you have any sample configuration for that. Thank you > >-----Original Message----- >From: Steve Blair [mailto:blairs@isc.upenn.edu] >Sent: Thursday, December 02, 2004 4:44 AM >To: Klaus Darilion >Cc: ron(a)silverbackasp.com; serusers(a)lists.iptel.org >Subject: Re: [Serusers] two gateways > > > > That is what I do too but I am not sure if this fits with Ron's >definition of "automatically". Does it Ron? > >Klaus Darilion wrote: > > > >>use a failure_route >> >>klaus >> >>Ronald Ramos wrote: >> >> >> >>>hi, >>> >>>How can i configure my sip proxy to automatically know that the PSTN >>>gateway >>>is down and transfer all calls to another gateway? >>> >>>thank you >>> >>>regards, >>>ron >>> >>>_______________________________________________ >>>Serusers mailing list >>>serusers(a)lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers >>> >>> >>> >>> >>_______________________________________________ >>Serusers mailing list >>serusers(a)lists.iptel.org >>http://lists.iptel.org/mailman/listinfo/serusers >> >> -- ISC Network Engineering The University of Pennsylvania 3401 Walnut Street, Suite 221A Philadelphia, PA 19104 voice: 215-573-8396 215-746-8001 fax: 215-898-9348 sip:blairs@upenn.edu

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sr-users December 2004