Hi,
What might be the cause that t_check_trans() function fails and ACK message is not being routed? This is a simple SIP to SIP call.
if ( is_method("ACK") ) { if ( t_check_trans() ) { # non loose-route, but stateful ACK; must be an ACK after a 487 or e.g. 404 from upstream server t_relay(); exit; } else { # ACK without matching transaction ... ignore and discard.\n"); exit; } }
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