In one of our calling scenarios, INVITEs are sent via TLS to multiple UACs in an office (all ring, one picks up). The UACs are not NATed. Once in a while, we get tcp_connect error from one of the phones. None of the tcp related parameters (e.g. tcp_connection_lifetime, etc.) are set in our script, so they all use default values.
INVITE RURI: sip:[email protected]:5070;transport=tls INVITE RURI: sip:[email protected]:5061;transport=tls INVITE RURI: sip:[email protected]:5077;transport=tls INVITE RURI: sip:[email protected]:5070;transport=tls INVITE RURI: sip:[email protected]:5068;transport=tls The error appears to be in either one of the two forms below: ERROR:core:tcp_blocking_connect: poll error: flags 24 - 4 8 16 32 ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR [server=172.16.13.164:5070] (111) Connection refused ERROR:core:tcpconn_connect: tcp_blocking_connect failed ERROR:core:tcp_send: connect failed ERROR:tm:msg_send: tcp_send failed ERROR:tm:t_forward_nonack: sending request failed or ERROR:core:tcp_blocking_connect: timeout 99170 ms elapsed from 100 ms ERROR:core:tcpconn_connect: tcp_blocking_connect failed ERROR:core:tcp_send: connect failed ERROR:tm:msg_send: tcp_send failed ERROR:tm:t_forward_nonack: sending request failed How should I proceed to get to the bottom of this? Any parameters I should look into? Thanks, Matt
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