In our example, this is the administered Call Type Digit Analysis Table.
In our example, Communication Manager analyzes 3035554927 for routing.
Communication Manager deletes 0 digits, inserts nothing, and searches the resulting 3035554927 against the ARS tables.
If there are no matching entries, Communication Manager deletes 0 digits, inserts the digit 1, and searches the resulting 13035554927 against the ARS tables.
If there are no matching entries, Communication Manager deletes 3 digits, inserts nothing, and searches the resulting 5554927 against numbers of ext type in the dial plan.
If there are no matching entries, Communication Manager deletes 0 digits, inserts 011, and searches the resulting 0113035554927 against the ARS tables.