the explanation for interdigit timeout in reference to call manager,

In order to allow sufficient time for a user to dial a telephone number, Cisco CallManager relies on a timer referred to as the interdigit timeout. This parameter indicates the duration Cisco CallManager waits after each digit is entered before it assumes the user has finished entering digits.

I went through the traces and see that call hitting the route pattern you created

Thanks!

if you think you are waiting long for the call to go through, then you can reduce this timer as well