I am trying to install kazoo in centos 6.4 error in ecallmgr [root@test ~]# /opt/kazoo/utils/sup/sup -n ecallmgr ecallmgr_maintenance allow_s bc $FQDN $KAMAILIO_IPConnection to service failed! Failed to connect to service 'ecallmgr@test.2600hz.com' with cookie 'some_cookie ' Possible fixes: * Ensure the whistle service you are trying to connect to is running on the host * Ensure that you are using the same cookie as the whistle node, "./sup -c < cookie>" * Verify that the hostname being used is a whistle node help me to solve this