Re: [OpenSIPS-Users] port number in record-route

2017-03-29 Thread Alex Balashov
Record-Route headers contain URIs, and like any SIP URI, they can contain a 
port component. If that port component is omitted, 5060 is presumed. 

On March 29, 2017 6:27:30 PM EDT, Satish Patel  wrote:
>what is the use of port number in record-route?
>
>I am having major issue with that look like we are running sip server
>on different port to protect ourself from sip scanner we are using
>non-standard port like 6060/7070 multiple port on single server so it
>will failover to other port if firewall block them.
>
>I am seeing record-route adding first port in listen: directive for
>example
>
>listen=udp:x.x.x.x:7070 udp:x.x.x.x:7070 udp:x.x.x.x:5062
>
>In this case my record-route always using 7070 in header default
>recordless request coming on 5062.
>
>I found one more issue here someone posted while ago
>
>https://lists.cs.columbia.edu/pipermail/sip-implementors/2001-March/000601.html
>
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-- Alex

--
Principal, Evariste Systems LLC (www.evaristesys.com)

Sent from my Google Nexus.

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[OpenSIPS-Users] port number in record-route

2017-03-29 Thread Satish Patel
what is the use of port number in record-route?

I am having major issue with that look like we are running sip server
on different port to protect ourself from sip scanner we are using
non-standard port like 6060/7070 multiple port on single server so it
will failover to other port if firewall block them.

I am seeing record-route adding first port in listen: directive for example

listen=udp:x.x.x.x:7070 udp:x.x.x.x:7070 udp:x.x.x.x:5062

In this case my record-route always using 7070 in header default
recordless request coming on 5062.

I found one more issue here someone posted while ago

https://lists.cs.columbia.edu/pipermail/sip-implementors/2001-March/000601.html

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Re: [OpenSIPS-Users] need some help in registrar module .

2017-03-29 Thread Richard Revels
http://www.opensips.org/html/docs/modules/2.2.x/registrar.html#id294862

There are several functions in the registrar module to help you determine
if a Contact is already registered using a given AOR.  After that you can
use flags to the save command to indicate if you want to set a max number
of contacts for an AOR (for example one contact) and if you want to throw
away this registration or over ride the existing one in the event that max
is already met.

http://www.opensips.org/html/docs/modules/2.2.x/registrar.html#id294033

Hope this helps.


On Wed, Mar 29, 2017 at 7:10 AM, Sasmita Panda  wrote:

> Hi ,
>   I am using opensips-2.2.2 . I wanted to override a contact only by
> checking the username if its already registered earlier rather than adding
> another contact of same username .
>
>What should I do ? I am searching for this but I am not getting
> anything which can do this . Please help me if this is possible .
>
> *Thanks & Regards*
> *Sasmita Panda*
> *Network Testing and Software Engineer*
> *3CLogic , ph:07827611765*
>
> ___
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> Users@lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
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Re: [OpenSIPS-Users] Opensips 2.2.2 memory issue?

2017-03-29 Thread Vasilios Tzanoudakis
Dear Liviu,

Regarding other UDP processes, I tried 1850 but wasn't showing backtraces
with memory information on it or any other info It seemed to be normal but
i have't kept them. 1851,1852 gave me almost the same results.

Also Cpu load started increasing by the time the problem started happening.
Here is the screenshot to see. No other reason for High CPU load.
CPU Usage came back to normal after restarting processes.
here is the cpu graph on this server : http://oi68.tinypic.com/2m79irs.jpg

I will try to enable DBG_MALLOC and see if this happens again , so as I can
understand you don't see any obvious thing around

Thank you


*Vasilios Tzanoudakis* | Technology Director
t. +30-212-222-8003  |  f. +30-212-222-8001
2, Klisthenous Str., Metamorfosi, 144 52, Attica, Greece
vasilios.tzanouda...@voiceland.gr  |  www.voiceland.gr


On Wed, Mar 29, 2017 at 12:25 PM, Vasilios Tzanoudakis <
vasilios.tzanouda...@voiceland.gr> wrote:

> Dear all,
>
> After 11 days os usage Opensips process was not responding at all.
>
> This is the second time I am facing this kind of issue.
> I am sending you all the information below:
>
> System has 4 CPU Cores / 4 GB Ram
>
> Opensips version 2.2.2
>
> *Run parameters : *
> S_MEMORY=2048
> P_MEMORY=1024
>
> *uname -a*
> Linux 4.4.0-62-generic #83~14.04.1-Ubuntu SMP Wed Jan 18 18:10:30 UTC 2017
> x86_64 x86_64 x86_64 GNU/Linux
>
> *Compiled with the following flags:*
>
> PKG_MALLOC
> SHM_MMAP
> USE_MCAST
> DISABLE_NAGLE
> STATISTICS
> HAVE_RESOLV_RES
> F_MALLOC
> F_MALLOC_OPTIMIZATIONS
> NO_DEBUG
>
> *and with the following extra modules : *
>
> db_mysql
> dialplan
> regex
> snmpstats
>
> *Loaded modules in opensips.cfg*
>
> loadmodule "proto_udp.so"
> loadmodule "mi_datagram.so"
> loadmodule "signaling.so"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "rr.so"
> loadmodule "maxfwd.so"
> loadmodule "sipmsgops.so"
> loadmodule "mi_fifo.so"
> loadmodule "uri.so"
> loadmodule "db_mysql.so"
> loadmodule "usrloc.so"
> loadmodule "registrar.so"
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> loadmodule "dialog.so"
> loadmodule "nathelper.so"
> loadmodule "rtpproxy.so"
> loadmodule "drouting.so"
> loadmodule "uac.so"
>
> */usr/local/opensips2/sbin/opensipsctl fifo ps*
>
> Process::  ID=0 PID=1843 Type=attendant
> Process::  ID=1 PID=1845 Type=MI FIFO
> Process::  ID=2 PID=1846 Type=MI Datagram
> Process::  ID=3 PID=1847 Type=time_keeper
> Process::  ID=4 PID=1849 Type=timer
> Process::  ID=5 PID=1850 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=6 PID=1851 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=7 PID=1852 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=8 PID=1853 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=9 PID=1854 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=10 PID=1855 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=11 PID=1856 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=12 PID=1857 Type=SIP receiver udp:X.X.X.X:65100
> Process::  ID=13 PID=1859 Type=Timer handler
>
> *gdb /usr/local/opensips2/sbin/opensips 1851*
>
> Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging
> symbols found)...done.
> Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1
> Reading symbols from /lib/x86_64-linux-gnu/libnss_dns.so.2...Reading
> symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_dns-2.19.so..
> .done.
> done.
> Loaded symbols for /lib/x86_64-linux-gnu/libnss_dns.so.2
> 0x7faee52c36cd in parse_backslash (offset=0x7ffc,
> words=, max_length=0x7ffc32c06040, word_length=0xd,
> word=0x636f732e3379786f) at wordexp.c:222
> 222 wordexp.c: No such file or directory.
>
>
> *(gdb) bt*
> #0  0x7faee52c36cd in parse_backslash (offset=0x7ffc,
> words=, max_length=0x7ffc32c06040, word_length=0xd,
> word=0x636f732e3379786f) at wordexp.c:222
> #1  parse_backtick (ifs_white=0x722f7261762f0001  memory at address* 0x722f7261762f0001>, ifs=0x7fae24ccc960 "",
> pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
> words=, max_length=0x1, word_length=0x7ffc32c06060,
> word=0x7ffc32c060c0) at wordexp.c:2147
> #2  wordexp (words=, pwordexp=, flags=0) at
> wordexp.c:2359
> #3  0x7ffc32c06220 in ?? ()
> #4  0x in ?? ()
>
>
> *(gdb) bt full*
> #0  0x7faee52c36cd in parse_backslash (offset=0x7ffc,
> words=, max_length=0x7ffc32c06040, word_length=0xd,
> word=0x636f732e3379786f) at wordexp.c:222
> No locals.
> #1  parse_backtick (ifs_white=0x722f7261762f0001  memory at address *0x722f7261762f0001>, ifs=0x7fae24ccc960 "",
> pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
> words=, max_length=0x1, word_length=0x7ffc32c06060,
> word=0x7ffc32c060c0) at wordexp.c:2147
> squoting = 
> comm_length = 8622050
> *comm = 0x6 *
> error = 
> comm_maxlen = 8700952
> #2  wordexp (words=, pwordexp=, flags=0) at
> wordexp.c:2359
> words_offset = 0
> word_length = 0
> max_length = 140388071391744
> 

Re: [OpenSIPS-Users] Mediaproxy speed calculations

2017-03-29 Thread Dan Pascu

On 29 Mar 2017, at 0:02, Daniel Zanutti wrote:

> Hi Dan
> 
> Based on your explanation, my physical machine with 2.8GHz is computing at 
> 5MHz, which is surely wrong.

Not according to the time it took to compute that.

> I have a similar scenario deployed on more than 50 machine and almost every 
> time Mediaproxy is started at linux boot, it doesn't calculate and show 
> speed. After restarting the process, speed is calculated fine.

This is news to me. In all my years of using the software, over dozens of 
servers, I have never encountered this problem.

> Could you please consider that the software may have a bug? Are you 
> interested on fixing it? Can I help?

Sure. But I never run into this and unless I can reproduce it, or get access to 
some system that exhibits it I cannot know what is wrong, or if it's a bug or 
something else.

--
Dan





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[OpenSIPS-Users] need some help in registrar module .

2017-03-29 Thread Sasmita Panda
Hi ,
  I am using opensips-2.2.2 . I wanted to override a contact only by
checking the username if its already registered earlier rather than adding
another contact of same username .

   What should I do ? I am searching for this but I am not getting anything
which can do this . Please help me if this is possible .

*Thanks & Regards*
*Sasmita Panda*
*Network Testing and Software Engineer*
*3CLogic , ph:07827611765*
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Re: [OpenSIPS-Users] Opensips 2.2.2 memory issue?

2017-03-29 Thread Liviu Chircu

Hi Vasilios,

Some things to consider:

- what are some other UDP processes doing? (e.g. 1850, 1855, etc.)

- when doing "make install", the binaries will include debug 
symbols regardless of any menuconfig options. However, if you want to 
obtain more clear backtraces, you should also enable "DBG_MALLOC" 
compile flag, which will also disable compiler optimizations.


- any obvious bottlenecks which could lead to the UDP queue being 
stuck? 100% CPU? Useful logs?


Regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

OpenSIPS Summit May 2017 Amsterdam
  http://www.opensips.org/events/Summit-2017Amsterdam.html

On 29.03.2017 12:25, Vasilios Tzanoudakis wrote:

Dear all,

After 11 days os usage Opensips process was not responding at all.

This is the second time I am facing this kind of issue.
I am sending you all the information below:

System has 4 CPU Cores / 4 GB Ram

Opensips version 2.2.2

*Run parameters : *
S_MEMORY=2048
P_MEMORY=1024

*uname -a*
Linux 4.4.0-62-generic #83~14.04.1-Ubuntu SMP Wed Jan 18 18:10:30 UTC 
2017 x86_64 x86_64 x86_64 GNU/Linux


*Compiled with the following flags:*

PKG_MALLOC
SHM_MMAP
USE_MCAST
DISABLE_NAGLE
STATISTICS
HAVE_RESOLV_RES
F_MALLOC
F_MALLOC_OPTIMIZATIONS
NO_DEBUG

*and with the following extra modules : *

db_mysql
dialplan
regex
snmpstats

*Loaded modules in opensips.cfg*

loadmodule "proto_udp.so"
loadmodule "mi_datagram.so"
loadmodule "signaling.so"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "sipmsgops.so"
loadmodule "mi_fifo.so"
loadmodule "uri.so"
loadmodule "db_mysql.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "auth.so"
loadmodule "auth_db.so"
loadmodule "dialog.so"
loadmodule "nathelper.so"
loadmodule "rtpproxy.so"
loadmodule "drouting.so"
loadmodule "uac.so"

*/usr/local/opensips2/sbin/opensipsctl fifo ps*

Process::  ID=0 PID=1843 Type=attendant
Process::  ID=1 PID=1845 Type=MI FIFO
Process::  ID=2 PID=1846 Type=MI Datagram
Process::  ID=3 PID=1847 Type=time_keeper
Process::  ID=4 PID=1849 Type=timer
Process::  ID=5 PID=1850 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=6 PID=1851 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=7 PID=1852 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=8 PID=1853 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=9 PID=1854 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=10 PID=1855 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=11 PID=1856 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=12 PID=1857 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=13 PID=1859 Type=Timer handler

*gdb /usr/local/opensips2/sbin/opensips 1851*

Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no 
debugging symbols found)...done.

Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1
Reading symbols from /lib/x86_64-linux-gnu/libnss_dns.so.2...Reading 
symbols from 
/usr/lib/debug//lib/x86_64-linux-gnu/libnss_dns-2.19.so...done.

done.
Loaded symbols for /lib/x86_64-linux-gnu/libnss_dns.so.2
0x7faee52c36cd in parse_backslash (offset=0x7ffc, 
words=, max_length=0x7ffc32c06040, word_length=0xd, 
word=0x636f732e3379786f) at wordexp.c:222

222wordexp.c: No such file or directory.

*(gdb) bt
*
#0  0x7faee52c36cd in parse_backslash (offset=0x7ffc, 
words=, max_length=0x7ffc32c06040, word_length=0xd, 
word=0x636f732e3379786f) at wordexp.c:222
#1  parse_backtick (ifs_white=0x722f7261762f0001 access memory at address* 0x722f7261762f0001>, ifs=0x7fae24ccc960 "", 
pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
words=, max_length=0x1, word_length=0x7ffc32c06060, 
word=0x7ffc32c060c0) at wordexp.c:2147
#2  wordexp (words=, pwordexp=, flags=0) 
at wordexp.c:2359

#3  0x7ffc32c06220 in ?? ()
#4  0x in ?? ()

*(gdb) bt full
*
#0  0x7faee52c36cd in parse_backslash (offset=0x7ffc, 
words=, max_length=0x7ffc32c06040, word_length=0xd, 
word=0x636f732e3379786f) at wordexp.c:222

No locals.
#1  parse_backtick (ifs_white=0x722f7261762f0001 access memory at address *0x722f7261762f0001>, ifs=0x7fae24ccc960 "", 
pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
words=, max_length=0x1, word_length=0x7ffc32c06060, 
word=0x7ffc32c060c0) at wordexp.c:2147

squoting = 
comm_length = 8622050
*comm = 0x6 *
error = 
comm_maxlen = 8700952
#2  wordexp (words=, pwordexp=, flags=0) 
at wordexp.c:2359

words_offset = 0
word_length = 0
max_length = 140388071391744
word = 0x7ffc32c065c8 ""
error = 
ifs = 0x7fae24ccc960 ""
ifs_white = "\000\000\000"
old_word = {we_wordc = 0, we_wordv = 0x0, we_offs = 0}
#3  0x7ffc32c06220 in ?? ()
No symbol table info available.
#4  0x in ?? ()
No symbol table info available.

*ldd -v /usr/local/opensips2/sbin/opensips*
linux-vdso.so.1 =>  (0x7fff96f49000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 

[OpenSIPS-Users] Control Panel 6.2 doesn´t work with postgres and using user management

2017-03-29 Thread M L
Hi,


I just want to give a heads-up that control panel 6.2 does not work with 
postgres when using user management. It gives some MDB2 errors.

It is related to changed behaviour of select syntax between 6.1 and 6.2.


In 6.2 you will find this select syntax in user_management.main.php

Line 185

$sql_command="from ".$table." s ".$sql_search." order by s.id asc";

Line 193

$resultset = $link->queryAll("select count(*) ".$sql_command);


In 6.1 that still works with postgres for user management and opensips 2.2 
select syntax is:

Line 157

$sql_command="select * from ".$table." s where (1=1) ".$sql_search." order by 
s.id asc";

Line 166

$resultset = $link->queryAll($sql_command);


Not sure reason of why select syntax is changed in 6.2 but you should correct 
it so it works for postgres. Meanwhile a workaround is to use cp 6.1 if you use 
pgsql as db for opensips.


Regards,

Martin
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[OpenSIPS-Users] Opensips 2.2.2 memory issue?

2017-03-29 Thread Vasilios Tzanoudakis
Dear all,

After 11 days os usage Opensips process was not responding at all.

This is the second time I am facing this kind of issue.
I am sending you all the information below:

System has 4 CPU Cores / 4 GB Ram

Opensips version 2.2.2

*Run parameters : *
S_MEMORY=2048
P_MEMORY=1024

*uname -a*
Linux 4.4.0-62-generic #83~14.04.1-Ubuntu SMP Wed Jan 18 18:10:30 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux

*Compiled with the following flags:*

PKG_MALLOC
SHM_MMAP
USE_MCAST
DISABLE_NAGLE
STATISTICS
HAVE_RESOLV_RES
F_MALLOC
F_MALLOC_OPTIMIZATIONS
NO_DEBUG

*and with the following extra modules : *

db_mysql
dialplan
regex
snmpstats

*Loaded modules in opensips.cfg*

loadmodule "proto_udp.so"
loadmodule "mi_datagram.so"
loadmodule "signaling.so"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "sipmsgops.so"
loadmodule "mi_fifo.so"
loadmodule "uri.so"
loadmodule "db_mysql.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "auth.so"
loadmodule "auth_db.so"
loadmodule "dialog.so"
loadmodule "nathelper.so"
loadmodule "rtpproxy.so"
loadmodule "drouting.so"
loadmodule "uac.so"

*/usr/local/opensips2/sbin/opensipsctl fifo ps*

Process::  ID=0 PID=1843 Type=attendant
Process::  ID=1 PID=1845 Type=MI FIFO
Process::  ID=2 PID=1846 Type=MI Datagram
Process::  ID=3 PID=1847 Type=time_keeper
Process::  ID=4 PID=1849 Type=timer
Process::  ID=5 PID=1850 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=6 PID=1851 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=7 PID=1852 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=8 PID=1853 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=9 PID=1854 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=10 PID=1855 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=11 PID=1856 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=12 PID=1857 Type=SIP receiver udp:X.X.X.X:65100
Process::  ID=13 PID=1859 Type=Timer handler

*gdb /usr/local/opensips2/sbin/opensips 1851*

Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging
symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1
Reading symbols from /lib/x86_64-linux-gnu/libnss_dns.so.2...Reading
symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_dns-2.19.so...done.
done.
Loaded symbols for /lib/x86_64-linux-gnu/libnss_dns.so.2
0x7faee52c36cd in parse_backslash (offset=0x7ffc,
words=, max_length=0x7ffc32c06040, word_length=0xd,
word=0x636f732e3379786f) at wordexp.c:222
222 wordexp.c: No such file or directory.


*(gdb) bt*
#0  0x7faee52c36cd in parse_backslash (offset=0x7ffc,
words=, max_length=0x7ffc32c06040, word_length=0xd,
word=0x636f732e3379786f) at wordexp.c:222
#1  parse_backtick (ifs_white=0x722f7261762f0001 , ifs=0x7fae24ccc960 "",
pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
words=, max_length=0x1, word_length=0x7ffc32c06060,
word=0x7ffc32c060c0) at wordexp.c:2147
#2  wordexp (words=, pwordexp=, flags=0) at
wordexp.c:2359
#3  0x7ffc32c06220 in ?? ()
#4  0x in ?? ()


*(gdb) bt full*
#0  0x7faee52c36cd in parse_backslash (offset=0x7ffc,
words=, max_length=0x7ffc32c06040, word_length=0xd,
word=0x636f732e3379786f) at wordexp.c:222
No locals.
#1  parse_backtick (ifs_white=0x722f7261762f0001 , ifs=0x7fae24ccc960 "",
pwordexp=0x838fd4 , flags=0, offset=0x7ffc,
words=, max_length=0x1, word_length=0x7ffc32c06060,
word=0x7ffc32c060c0) at wordexp.c:2147
squoting = 
comm_length = 8622050
*comm = 0x6 *
error = 
comm_maxlen = 8700952
#2  wordexp (words=, pwordexp=, flags=0) at
wordexp.c:2359
words_offset = 0
word_length = 0
max_length = 140388071391744
word = 0x7ffc32c065c8 ""
error = 
ifs = 0x7fae24ccc960 ""
ifs_white = "\000\000\000"
old_word = {we_wordc = 0, we_wordv = 0x0, we_offs = 0}
#3  0x7ffc32c06220 in ?? ()
No symbol table info available.
#4  0x in ?? ()
No symbol table info available.

*ldd -v /usr/local/opensips2/sbin/opensips*
linux-vdso.so.1 =>  (0x7fff96f49000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x7f75c45de000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x7f75c43c3000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x7f75c3ffa000)
/lib64/ld-linux-x86-64.so.2 (0x55e9cad86000)

Version information:
/usr/local/opensips2/sbin/opensips:
libresolv.so.2 (GLIBC_2.2.5) => /lib/x86_64-linux-gnu/libresolv.so.2
libdl.so.2 (GLIBC_2.2.5) => /lib/x86_64-linux-gnu/libdl.so.2
libc.so.6 (GLIBC_2.3) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.3.2) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.15) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.4) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.7) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.3.4) => /lib/x86_64-linux-gnu/libc.so.6
libc.so.6 (GLIBC_2.2.5) => /lib/x86_64-linux-gnu/libc.so.6