[OpenSIPS-Users] Text Message Duplication

Arjun Shankar K S arjun_ks at kalycito.com
Wed Jun 20 08:51:32 CEST 2012


Hi Bogdan, 

Thanks you very much for your response and time. 

You are correct. I see that there are multiple registrations of the UAC as below, 

root at ubuntu:/home/ubuntu# opensipsctl ul show 2002 
Contact:: <sip:2002 at 10.0.2.15:2292;line=2b9bd2931a28bec>;q=;expires=1140;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:56482>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:4241;line=d9258f9d45e7edb>;q=;expires=1378;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:56363>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 203.199.234.3:56363;line=d9258f9d45e7edb>;q=;expires=1378;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:56363>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:1314;line=227a18946deeb5c>;q=;expires=1744;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:7618>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 203.199.234.3:7618;line=227a18946deeb5c>;q=;expires=1745;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:7618>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:1532;line=d49e0d47bf6a7e6>;q=;expires=1843;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:11548>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 203.199.234.3:11548;line=d49e0d47bf6a7e6>;q=;expires=1843;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:11548>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:4148;line=b5596b919092c4d>;q=;expires=1943;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:28003>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 203.199.234.3:28003;line=b5596b919092c4d>;q=;expires=1943;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:28003>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:1474;line=2f36ab8544e1a5d>;q=;expires=2057;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:48797>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 203.199.234.3:48797;line=2f36ab8544e1a5d>;q=;expires=2057;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:48797>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:4181;line=2b97093967704a6>;q=;expires=2164;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:28377>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 
Contact:: <sip:2002 at 10.0.2.15:2061;line=fe5be512921db8a>;q=;expires=2755;flags=0x0;cflags=0xC0;socket=<udp:10.202.93.216:5060>;methods=0xFFFFFFFF;received=<sip:203.199.234.3:53121>;user_agent=<Lockfone/3.4.0 (eXosip2/unknown)> 


In my opensips.cfg file, I have the following config regarding usrloc module, 

# ----- usrloc params ----- 
modparam("usrloc", "db_mode", 2) 
modparam("usrloc", "db_url", 
"mysql://opensips:opensipsrw@localhost/opensips") 

Can you let me know what has to be done to resolve this issue. 

Also can you please clarify, 
1. What does the q parameter in the SDP signify? 
2. Why does the value of line param keep changing? Is it correct to have it like that? 

I am a newbie to opensips and trying to understand its working so please support me. 

Thanks and regards, 
Arjun 


----- Original Message ----- 
From: "Bogdan-Andrei Iancu" <bogdan at opensips.org> 
To: "OpenSIPS users mailling list" <users at lists.opensips.org> 
Cc: "Arjun Shankar K S" <arjun_ks at kalycito.com> 
Sent: Wednesday, June 20, 2012 1:38:41 AM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi 
Subject: Re: [OpenSIPS-Users] Text Message Duplication 

Hi Arjun, 

A simple explanation is that your UAC might be registered twice with opensips (has 2 records in usrloc) -> check with "opensipsctl ul show". 

If so, opensips will do parallel forking (for the received requests) to all registered contacts. 

Regards, 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer http://www.opensips-solutions.com 
On 06/19/2012 01:24 PM, Arjun Shankar K S wrote: 

Hi All, 

Greeting to everyone!!! 

I have installed opensips 1.7.1 with RTP Proxy. I am facing the following issue, When I send a Text Message to any UAC, I receive 2 Messages instead of one at the receiver UAC. I have tried with different SIP Clients but the problem persists. 

I am newbie to opensips!! Any advice is sincerely appreciated. 

Thanks, 
Arjun 
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