Was just looking at 848 software specifically queuing time table and group settings and timers
and sequences and it will do what you want with 4 calls with redundant queuing tables and ogm's without putting weight on the voicemail system
the 5th or 6th calls could be irna to a custom dialing menu that puts you back into the queue ....
your application if you were not looking for big bells and whistles that the TVA 50 has you could do a small call centre with 2 MSG2 Cards And a SVM2
with out the TVa...