12. A method for registering alphanumeric characters in a system having a push button telephone with alphanumeric entry keys, said method comprising the steps of: entering a first numeric value as a first electrical signal via said alphanumeric entry keys, said first numeric value being indicative of a group value; entering a second numeric value as a second electrical signal via said alphanumeric entry keys, said second numeric value being indicative of a party value; generating an alphanumeric symbol corresponding to said group value and said party value, said alphanumeric symbol being one of a numeric symbol and an alphabetic symbol, said alphabetic symbol being in one of an upper case and a lower case; said alphanumeric symbol generated being said numeric symbol whenever said group value is equal to a value represented by said numeric symbol and said party value is equal to a first value; said alphanumeric symbol generated being said alphabetic symbol in said upper case whenever said group value is equal to a value indicated on said alphanumeric entry keys corresponding to said alphabetic symbol and said party value is equal to one of a plurality of second values; said alphanumeric symbol generated being said alphabetic symbol in said lower case whenever said group value is equal to said value indicated on said alphanumeric entry keys corresponding to said alphabetic symbol and said party value is equal to one of a plurality of third values; and registering said alphanumeric symbol in an alphanumeric registration memory within said system.
12. A method for registering alphanumeric characters in a system having a push button telephone with alphanumeric entry keys, said method comprising the steps of: entering a first numeric value as a first electrical signal via said alphanumeric entry keys, said first numeric value being indicative of a group value; entering a second numeric value as a second electrical signal via said alphanumeric entry keys, said second numeric value being indicative of a party value; generating an alphanumeric symbol corresponding to said group value and said party value, said alphanumeric symbol being one of a numeric symbol and an alphabetic symbol, said alphabetic symbol being in one of an upper case and a lower case; said alphanumeric symbol generated being said numeric symbol whenever said group value is equal to a value represented by said numeric symbol and said party value is equal to a first value; said alphanumeric symbol generated being said alphabetic symbol in said upper case whenever said group value is equal to a value indicated on said alphanumeric entry keys corresponding to said alphabetic symbol and said party value is equal to one of a plurality of second values; said alphanumeric symbol generated being said alphabetic symbol in said lower case whenever said group value is equal to said value indicated on said alphanumeric entry keys corresponding to said alphabetic symbol and said party value is equal to one of a plurality of third values; and registering said alphanumeric symbol in an alphanumeric registration memory within said system. 15. The method for registering alphanumeric characters as claimed in claim 12, wherein said alphanumeric registration memory registers said alphanumeric symbol for use in a one-touch dialing operation.