Yes,
As I said before, If agent is defined in agent.conf (without password) I have something like that on the output:
Executing [20@queuemetrics:3] AgentCallbackLogin("Local/20@queuemetrics-5fb4,2", "Executing [20@queuemetrics:3] AgentCallbackLogin("Local/20@queuemetrics-5fb4,2", "7889||888@from-internal") in new stack
-- <Local/20@queuemetrics-5fb4,2> Playing 'invalid' (language 'en')