After entering the queue waiting time

First, sorry for the lack of English language skills

the question of who was using the asterisk contact

caller enters the queue associated with the agent and then wait no way to do this?

not like this
exten => 100,1, wait (3)
exten => 100, n, queue (TestQ)

I mean, “exten => 100, n, queue (TestQ)” after the statement is executed, while the connection to agent wondering if you can hold the

without having to wait in the queue if the agent is directly connected is because the caller

Ask for specific answers

Thank you