<p dir="ltr">Hello, </p>
<p dir="ltr">After about 15 minutes of idle registration, call attempts fail with '477 Request Failure'. In the first 15 minutes after registration, the calls connect fine. Please advise on possible cause of this and how to troubleshoot. I am using TLS. Error log is below:</p>
<p dir="ltr">ERROR:core:tcp_connect_blocking: timeout 99438 ms elapsed from 100000 s <br>
ERROR:proto_tls:tls_sync_connect: tcp_blocking_connect failed<br>
ERROR:proto_tls:proto_tls_send: connect failed<br>
ERROR:tm:msg_send: send() for proto 3 failed<br>
ERROR:tm:t_forward_nonack: sending request failed<br>
ACC: call missed: timestamp=1450367086;method=INVITE;from_tag=z9hG4bK14111660;to_tag=;call_id=<a href="mailto:491384150620@10.23.233.76">491384150620@10.23.233.76</a>;code=477;reason=Request Failure</p>