If you need to have many calls to be routed inside a Cally Square in e.g. to distribute the calls over several queues, it’s highly recommended to do not use the queue block, in order to lighten the resources use on the system.
First of all check how many channels your server is using by launching this from the Linux CLI:
ss -at '( dport = :4573 )' |wc -l
Place the GoTo block in place of queue block (into the already existent Cally Square):
Then set its parameters accordingly to the needed destination:
(For more information about IVR designer, explore here the relative documentation)