G A0 A1 A0->A1 A2 Holiday Announcement A1->A2 [holiday] A5 A1->A5 [open] A3 A2->A3:n A4 A3->A4 A6 Closed Announcement A5->A6 [closed] A7 Queue A5->A7 [open] A6->A3:n A8 A7->A8 A9 Route call A8->A9 [agent free] A10 Wait Announcement A8->A10 [all busy] A12 Disconnect Announcement A8->A12 [loops > 6] A9->A4 A11 Wait 600s A10->A11 A11->A8 A12->A4