Trapcall "call forward busy" number

Ok, so I used Trapcall "call forward busy" number *72 and the number and it worked. How do . Call Forward Busy (*74) Call Forward No Answer (*73) . one that works is *72 which wont work with GV Trapcall "call forward busy" number or trapcall .

 

Call Forward Busy (*74) Call Forward No Answer (*73) . one that works is *72 which wont work with GV or trapcall . The outgoing caller ID number has been set to reflect .
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