I setup a GROUP on agent.conf
group=1
agent => 1001,123,Agent01
agent => 1002,123,Agent02
And on the queue.con, I setup
member => Agent/@1
But ring only the Agent01 
I setup a GROUP on agent.conf
group=1
agent => 1001,123,Agent01
agent => 1002,123,Agent02
And on the queue.con, I setup
member => Agent/@1
But ring only the Agent01 