Hi Amir, I'm glad to hear you resolved the cluster problems.
It looks like PJSIP isn't able to open a TCP connection. There are a whole bunch of potential reasons for that: * a firewall blocking requests from Sprout to the endpoint * an issue with security groups * Sprout and the test tool running on different networks. Could you confirm that your network is set up as per http://clearwater.readthedocs.io/en/stable/Clearwater_IP_Port_Usage.html ? Many thanks, Ben
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