15. A system as set forth in claim 14 , wherein the computing device is further configured to: identify a letter combination created by at least two of the digits of the telephone number; and determine whether the letter combination forms any of the alphabetic patterns.
15. A system as set forth in claim 14 , wherein the computing device is further configured to: identify a letter combination created by at least two of the digits of the telephone number; and determine whether the letter combination forms any of the alphabetic patterns. 17. A system as set forth in claim 15 , wherein the computing device is configured to identify the letter combination created by the last four digits of the telephone number.