Hi, Leo!

The first logs show that opensips is unable to ping your client over TCP. Most likely because OpenSIPS was restarted and the TCP connection was lost. The next errors show that opensips is trying to connect to a TCP connection, but it gets a timeout. That's because probably your client is behind NAT, and you cannot connect to it.

Best regards,

Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 04/15/2014 10:30 PM, leo wrote:
Thanks Razvan.
I'm still trying to troubleshoot this problem, i've seen that in the
opensips logs, when i place a call, there are the following error messeges:

Apr 15 21:21:31 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
INFO:core:probe_max_sock_buff: using snd buffer of 255 kb
Apr 15 21:21:31 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
INFO:core:init_sock_keepalive: -- TCP keepalive enabled on socket
Apr 15 21:21:32 sip-lab /usr/local/opensips110/sbin/opensips[14225]:
ERROR:nathelper:msg_send: tcp_send failed
Apr 15 21:21:32 sip-lab /usr/local/opensips110/sbin/opensips[14225]:
ERROR:nathelper:nh_timer: sip msg_send failed!
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:core:tcp_blocking_connect: timeout 10 s elapsed from 10 s
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:core:tcpconn_connect: tcp_blocking_connect failed
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:core:tcp_send: connect failed
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:tm:msg_send: tcp_send failed
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:tm:t_forward_nonack: sending request failed
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:rtpproxy:force_rtp_proxy: Unable to parse body
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
incoming reply
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
ERROR:rtpproxy:force_rtp_proxy: Unable to parse body
Apr 15 21:21:41 sip-lab /usr/local/opensips110/sbin/opensips[14226]:
incoming reply
Apr 15 21:21:42 sip-lab /usr/local/opensips110/sbin/opensips[14225]:
ERROR:nathelper:msg_send: tcp_send failed
Apr 15 21:21:42 sip-lab /usr/local/opensips110/sbin/opensips[14225]:
ERROR:nathelper:nh_timer: sip msg_send failed!

I didn't reply before because i was serching in the forum but i didn'n
find any helpfull topic.
Do you still think that is a network issue? Do those error logs have a
meaning?
If you see, form the call placing to the incoming replay there are 10 secs.
Thanks a lot,

Leo.
Il Lunedì 14 Aprile 2014 10:26, Razvan Crainea-3 [via OpenSIPS (Open SIP
Server)] <[hidden email]
</user/SendEmail.jtp?type=node&node=7590757&i=0>> ha scritto:
Hi, Leo!

This doesn't seem to be related to OpenSIPS. My suggestion is to trace
this at the network layer and check if and why the TCP/TLS connection is
taking 15-20 seconds.

Best regards,

Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com <http://www.opensips-solutions.com/>

On 04/14/2014 01:17 AM, leo wrote:

 > Hello:
 >
 > I'm using opensips 1.10 in a simple single domain scenario.
 > The UA are normally NATted.
 > The problem i'm having is that the call establishment using UDP is 1
or 2
 > sec while when i use TCP or TLS the call is taking 15-20 sec.
 > Is this normal? How could i have the same performance for TCP/TLS
like with
 > UDP?
 > Thanks a lot.
 >
 > Leo.
 >
 >
 >
 > --
 > View this message in context:
http://opensips-open-sip-server.1449251.n2.nabble.com/UDP-vs-TCP-TLS-tp7590719.html
 > Sent from the OpenSIPS - Users mailing list archive at Nabble.com.
 >
 > _______________________________________________
 > Users mailing list
 > [hidden email]
 > http://lists.opensips.org/cgi-bin/mailman/listinfo/users
 >
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