sr-users December 2004

sr-users@lists.kamailio.org

184 participants
400 discussions

[Serusers] Newbie need help
by Abid Mirza 24 Dec '04

24 Dec '04

I have SER and SERWEB seup and working using their email address i.e user(a)mydomain.com. Now I want to assign each user the numeric number like 7471234, the caller have to dial *7471234 and the Callee party who owns this number get ring on his phone. Please help me to identify what and how to use either NAPTR, or Aliases table or Subscriber table and what should I have in the SER.CFG file that it maps *7471234 to user with user id of user(a)mydomain.com, and if user dial the number +1 212 555-1212 (PSTN), then it should be forwarded to the Asterisk server, and SER is out of the session if this is going to Asterisk. Cheers ===== Abid A. Mirza Bits & Byte Tech., Inc. 146 West 29 Street , 10 Fl. New York, NY 10001 Tel : +1 (212) 967-1616 Fax : +1 (212) 967-0672 Mob : +1 (917) 582-2290 Email : amirza_nyc(a)yahoo.com

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[Serusers] Proxy RTP
by Pepe 24 Dec '04

24 Dec '04

Hello, Im using SIP proxy with rtpproxy behind a PIX firewall, I can use ATAs with NAT without problems to make and receive calls, but when I use another type of telephone like grandstream I only can make calls, the ports which I have open in my firewall are 5060 tcp/udp. I dont know if its because the rtpproxy/ser server cant be behind a firewall or just need to open another ports of its just a bad configuration. Thx in advance

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[Serusers] Media Proxy and SER
by proson.cheng＠kaisource.com 24 Dec '04

24 Dec '04

Is there anyone using Media Proxy on their SER servers? I finally got it working on NAT but I couldn't get the voice yet. I installed the media proxy, dispatcher and SER on the same but it seemed to me the media proxy and dispatcher sends the media stream back to the localhost and not to the end points. I tried to look through media proxy manual, and this invloves a DNS SRV record. Well, I am setting up SER for testing purposes and not yet in production, so do I really need DNS SRV record (media_proxy) to have it work? please provide some configuration example (media proxy) if you can. Thanks a lot. Proson

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[Serusers] Merry Christmas!
by Atle Samuelsen 24 Dec '04

24 Dec '04

Hi Guys and Girls! I just wanted to wish you a Merry Christmas and a Happy New Year. I would also say that Im very impressed by the comitment of the developers of SER, they are very helpfull, and does a great job in developing of SER. Have a great Christmas everybody.. Celebreate it as you Do, I myself is going to have "pinnekj�tt" wich is pork ribs, that has been salted, dryed, and waterd.. then Cooked. Best Regards Atle Samuelsen

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[Serusers] Few questions
by E. Versaevel 24 Dec '04

24 Dec '04

First off all, Merry X-mas ‘n stuff to you all ;) I’m using SER for a while now and I’m trying to get some answers to these questions: 1) Is there an indication on how many calls/s a reasonably simple server like a p IV 3.2 GHz / 1 gbyte ram can handle as a statefull proxy? 2) Would it be possible to use a stripped down ser to load balance a cluster of ser’s ? a. I want to build a scaleable, high available solution for minimal costs (as always :P) b. Reply’s need to come from the IP of the load balancer because of NAT traversal The internet -------→ Stripped ser -------------- SER Cluster | | Stripped Ser (standby) 3) Is it necessary for SIP messages within one call to end up on the same server within the cluster? IE if the loadbalancer sends the INVITE to ser_cluster_machine_1, which sends an PROXY AUTH Required, but the clients response ends up on ser_cluster_machine_2 what would happen? What would happen if the ser_cluster_machine_1 keeps waiting for an ACK for example? I think as a statefull proxy it would keep spitting out it's request until the reply ends up there by chance thru the loadbalancer Kind regards and best wishes, E. Versaevel

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[Serusers] Getting stuck on SerWeb
by Gary Wong 24 Dec '04

24 Dec '04

Hi, I got an error when I login with administrator account on index.php which shown as follow: (Debug: query = select val from active_sessions where sid = 'f44e3059f761a564b72ff6f5620a432b' and name = 'phplib_Session' Warning: Cannot add header information - headers already sent by (output started at /var/www/phplib/db_mysql.inc:114) in /var/www/html/serweb/admin/index.php on line 37 Debug: query = update active_sessions set val='cGhwbGliX1Nlc3Npb246JHRoaXMtPmluID0gJzAnOyAkdGhpcy0+cHQgPSBhcnJheSgpOyA kdGhpcy0+cHRbJ3Nlc3NfZnVzZXJzJ10gPSAnMSc7ICR0aGlzLT5wdFsnc2Vzc19hZG1pbiddID0 gJzEnOyAkdGhpcy0+cHRbJ3ByZV91aWQnXSA9ICcxJzsgJEdMT0JBTFNbJ3Nlc3NfZnVzZXJzJ10 gPSBuZXcgQ2Z1c2VyczsgJEdMT0JBTFNbJ3Nlc3NfZnVzZXJzJ10tPnVzcm5tID0gJyc7ICRHTE9 CQUxTWydzZXNzX2Z1c2VycyddLT5mbmFtZSA9ICcnOyAkR0xPQkFMU1snc2Vzc19mdXNlcnMnXS0 +bG5hbWUgPSAnJzsgJEdMT0JBTFNbJ3Nlc3NfZnVzZXJzJ10tPmVtYWlsID0gJyc7ICRHTE9CQUx TWydzZXNzX2Z1c2VycyddLT5vbmxpbmVvbmx5ID0gJyc7ICRHTE9CQUxTWydzZXNzX2Z1c2Vycyd dLT5hY3Rfcm93ID0gJzAnOyAkR0xPQkFMU1snc2Vzc19hZG1pbiddID0gJzEnOyAkR0xPQkFMU1s ncHJlX3VpZCddID0gJzIxNGQyZWFhNWNiNGJjMWU0ZDMyMjYxNGRjMmMwZDA3Jzsg', changed='20041224151356' where sid='f44e3059f761a564b72ff6f5620a432b' and name='phplib_Session'_ Can anyone please answer me what is going on and how to solve, this has been happened and annoy me for a long long time.Please.. Gary

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[Serusers] garyw@winco.com.hk
by Gary Wong 24 Dec '04

24 Dec '04

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RE: [Serusers] Problem with ACK
by Amozurrutia Jesus 24 Dec '04

24 Dec '04

I double checked and the ACK are ignored by SER. The log file thows this: Dec 23 13:26:13 sip2 /usr/sbin/ser[21127]: Warning: sl_send_reply: I won't send a reply for ACK!! Jesus -----Original Message----- From: Greger V. Teigre [mailto:greger@teigre.com] Sent: Lunes, 20 de Diciembre de 2004 01:43 a.m. To: Amozurrutia Jesus; serusers(a)lists.iptel.org Subject: Re: [Serusers] Problem with ACK Are you sure that the ACK stops at ser? The ACKs should just flow through ser. I have seen a similar problem with XLite where Cisco drops the ACK because XLite there is a bug in XLIte's Via parsing. This is a Cisco gateway appending an x-route-tag to via. Turn on debugging (ALL) on Cisco and check if it drops the ACK due to wrong/no branch info in Via. g-) Amozurrutia Jesus wrote: > I'm implementing the scenario shown below. > > ___ ______ > / 0 \ ---/ \ | > /_\ | ATA1 |---| ____ _ _ _ _ _____ > \______/ | / \ / \/ \/ \/ \ / \ > |---| FW |---| IP Net |---| CCM | > | \____/ \_/\_/\_/\_/ \_____/ > | | | > | | | > | | > --- --- > / \ / \ > |NAT| |SER| > |-T | | | > \___/ \___/ > > When calling between the CCM (Cisco CallManager) and the ATA, SER > simply ignores the call ACK. > The ACK looks like: > > ACK sip:5559853979*sip1.mcm.net.mx=X.X.71.2+17081@X.X.81.92:5063 > SIP/2.0 Via: SIP/2.0/UDP X.X.67.218:5060;branch=z9hG4bK29b2c750 > From: "5559852600" <sip:5559852600@X.X.67.218>;tag=16781758 > To: <sip:5559853979@mcm.net.mx>;tag=2602576443 > Date: Tue, 30 Nov 2004 23:53:15 GMT > Call-ID: fef8ed00-1da1612d-24d-da4334c8(a)X.X.67.218 > Route: <sip:5559853979@X.X.81.94;ftag=16781758;lr> > Max-Forwards: 70 > CSeq: 101 ACK > Content-Length: 0 > > The call flow: > > CallManager SIP Server ATA > | | | > |-- INVITE -------->| | > |<-- trying --------| | > | |-- INVITE -------->| > | |<-- Trying --------| > | |<-- Ringing -------| > |<-- Ringing -------| | > | |<-- OK ------------| > |<-- OK ------------| | > |-- ACK ----------->| | > | |<-- OK ------------| > |<-- OK ------------| | > |-- ACK ----------->| | > | |<-- OK ------------| > |<-- OK ------------| | > |-- ACK ----------->| | > | |<-- OK ------------| > |<-- OK ------------| | > |-- ACK ----------->| | > | |<-- OK ------------| > ...... > > My guess is that SER does not accept the URI > "5559853979*sip1.mcm.net.mx=X.X.71.2+17081@X.X.81.92:5063" because it > contains "*+=" signs ore something similar. > When calling from ATA - ATA there is no preoblem because ATAs > construct the ACK message different (URI and Rote flipped). > > Any ideas? > > Thanks in advance, > > Jesus > > > _______________________________________________ > Serusers mailing list > serusers(a)lists.iptel.org > http://lists.iptel.org/mailman/listinfo/serusers

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[Serusers] Creating UA Client Simulators
by innovation.interops＠wipro.com 24 Dec '04

24 Dec '04

Hi all, Can SER modules be used to create UA Client simulators apart from the existing features like Proxy,Redirect and Registrar in SER? Regds karthik Confidentiality Notice The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain confidential or privileged information. If you are not the intended recipient, please notify the sender at Wipro or Mailadmin(a)wipro.com immediately and destroy all copies of this message and any attachments.

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[Serusers] problem for Cisco 7912 ip phone behind pix firewall
by sekchye goh 24 Dec '04

24 Dec '04

Hi there! We have two cisco 7912 ip phone using SIP firmware behind PIX firewall. These two phone is configured to register to a SER proxy on the public Internet. These two Cisco 7912 ip phones are PATor NAPT to a single IP. The problem we have is when these two phones call each other, the two party cannot hear each other's voice. If we replace the PIX firewall with a Cisco router, there is no such problem. Does anyone encounter this problem before? I am clueless on how to resolve this problem. Any pointers will be much appreciated. Thank you very much! Best regards sekchye

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sr-users December 2004