Dear OpenSIPS users,

In my hardware, with IP = 192.168.0.101, I have OpenSIPS and softphone A. Thre 
is softphone B also, in another hardware.

A calls B.
B accept the call.
After t minutes...B hungs up the call.

In this moment, A enters in a wrong state, because OpenSIPS reports a problem 
and probably due to it the proxy doesn't communicate with softphone A in such 
moment. So, my softphone A considers that the call is not ended.

See what OpenSIPS reports in this moment:

Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
INFO:core:probe_max_sock_buff: using snd buffer of 320 kb
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
INFO:core:init_sock_keepalive: TCP keepalive enabled on socket 20
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:core:tcpconn_async_connect: poll error: flags 1c
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:core:tcpconn_async_connect: failed to retrieve SO_ERROR 
[server=192.168.0.101:57985] (111) Connection refused
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:core:proto_tcp_send: async TCP connect failed
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:tm:msg_send: send() for proto 2 failed
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:tm:t_forward_nonack: sending request failed


If t is just few minutes, let's say 2 minutes, there is no any issue.

However, if t is bigger, let's say 4 minutes, his issue is present.


What is happening here? Can someone give some help, please!

Any hint will be very helpful!


------------------------------------------------------------------------

Some more details:

User B is g1r2u3p4o5@192.168.0.102.

User A is intercomA_5dtUWgwgqzR6@192.168.0.101.

Callid was "ec4548a8-4207-4fc2-8ed8-81897ff62175".


Before getting such error log, I saw another messages in the log like this:


Jan 05 04:13:28 colibri-imx6-jfl opensips[431]: new branch at 
sip:g1r2u3p4o5@192.168.0.102:61230;transport=TCP;ob
Jan 05 04:13:28 colibri-imx6-jfl opensips[431]: od: invalid option -- 'A'
Jan 05 04:13:28 colibri-imx6-jfl opensips[431]: BusyBox v1.22.1 (2016-03-29 
09:43:20 BRT) multi-call binary.
Jan 05 04:13:28 colibri-imx6-jfl opensips[431]: Usage: od 
[-aBbcDdeFfHhIiLlOovXx] [FILE]
Jan 05 04:13:29 colibri-imx6-jfl opensips[431]: Ignoring callid  
"ec4548a8-4207-4fc2-8ed8-81897ff62175"


Jan 05 04:13:34 colibri-imx6-jfl opensips[431]: Jan  5 04:13:34 [442] 
INFO:core:probe_max_sock_buff: using snd buffer of 320 kb
an 05 04:13:34 colibri-imx6-jfl opensips[431]: Jan  5 04:13:34 [442] 
INFO:core:init_sock_keepalive: TCP keepalive enabled on socket 25

an 05 04:14:29 colibri-imx6-jfl opensips[431]: Jan  5 04:14:29 [438] 
ERROR:dialog:dlg_validate_dialog: failed to validate remote contact: 
dlg=[sip:intercomA_5dtUWgwgqzR6@127.0.0.1:36427;transport=TCP;ob] , 
req=[sip:intercomA_5dtUWgwgqzR6@192.168.0.101:57985;transport=TCP;ob]
Jan 05 04:14:29 colibri-imx6-jfl opensips[431]: In-Dialog BYE from 
192.168.0.102 (callid=ec4548a8-4207-4fc2-8ed8-81897ff62175) is not valid 
according to dialog
----------------------------------------------------------------------------



Best regards.



RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979
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