[SR-Users] KAMAILIO tcp_send query, connection problem

[Daniel-Constantin Mierla]

Hello,

opening the tcp connection failed due to timeout, indicating that no one
was listening on the target address, which seems to be
172.56.8.182:44341 -- is any app listening at that address?

Cheers,
Daniel

On 01/04/16 20:37, Ed Todd wrote:
>
>
>   KAMAILIO tcp_send query, connection problem
>
> I have a KAMAILIO SIP server on a static IP from Comcast, using a
> modem/router Cisco DPC39412B.
>
> I have a PC application server which is successfully signing on to the
> SIP server, via a LAN cable on the same network as the SIP server
> (Cisco).
>
> In my second test, the PC application server is connected to the
> internet via a ZTE Falcon Z-917. In a third test, the PC application
> server is connected to the internet via a Talk-Talk fiber broadband.
> The connection does not occur.
>
> From the log files, the successful connection says:
>
> /Apr  1 10:44:30 SIP-Server kamailio[7817]: DEBUG: <core>
> [tcp_main.c:2281]: tcpconn_send_put(): tcp_send: send from reader
> (7817 (14)), reusing fd/
>
> /Apr  1 10:44:30 SIP-Server kamailio[7817]: DEBUG: <core>
> [tcp_main.c:2516]: tcpconn_do_send(): tcp_send: sending.../
>
> /Apr  1 10:44:30 SIP-Server kamailio[7817]: DEBUG: <core>
> [tcp_main.c:2550]: tcpconn_do_send(): tcp_send: after real write: c=
> 0x7f6270b8a4a0 n=565 fd=1/
>
> On the failed connection:
>
> /Apr  1 09:41:23 SIP-Server kamailio[7816]: DEBUG: <core>
> [tcp_main.c:1818]: tcp_send(): tcp_send: no open tcp connection found,
> opening new one/
>
> /Apr  1 09:41:23 SIP-Server kamailio[7816]: DEBUG: <core>
> [ip_addr.c:243]: print_ip(): tcpconn_new: new tcp connection:
> 192.168.0.146/
>
> /Apr  1 09:41:23 SIP-Server kamailio[7816]: DEBUG: <core>
> [tcp_main.c:1073]: tcpconn_new(): tcpconn_new: on port 55133, type 3/
>
> /Apr  1 09:41:23 SIP-Server kamailio[7816]: DEBUG: <core>
> [tcp_main.c:1382]: tcpconn_add(): tcpconn_add: hashes: 1776:802:0, 803/
>
> /Apr  1 09:41:23 SIP-Server kamailio[7816]: DEBUG: tls
> [tls_server.c:184]: tls_complete_init(): Using TLS domain TLSc<default/
>
> A while later, I get:
>
> /Apr  1 09:41:37 SIP-Server kamailio[7804]: DEBUG: usrloc
> [urecord.c:357]: wb_timer(): Binding
> 'hvs_us_iphone','sip:hvs_us_iphone at 172.56.8.182:44341;transport=TLS;line=75dc89bd64369c7'
> has expired/
>
> /Apr  1 09:41:38 SIP-Server kamailio[7820]: DEBUG: <core>
> [tcp_main.c:4320]: tcpconn_main_timeout(): tcp_main: entering timer
> for 0x7f6270b8a4a0 (ticks=862851529, timeout=862909176 (3602 s),
> wr_timeout=862851529 (0 s)), write queue: 197 bytes/
>
> /Apr  1 09:41:38 SIP-Server kamailio[7820]: ERROR: <core>
> [tcp_main.c:4338]: tcpconn_main_timeout(): connect 192.168.0.146:55133
> failed (timeout)/
>
> /Apr  1 09:41:38 SIP-Server kamailio[7820]: DEBUG: <core>
> [tcp_main.c:4362]: tcpconn_main_timeout(): tcp_main: timeout for
> 0x7f6270b8a4a/
>
> Any clues or tips would be greatly appreciated!
>
>  
>
> Ed
>
>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com

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