Optional user response.
Must be properly formatted and meet validation tests; else error message, “The
Main Telephone Number you entered is not valid. Please correct it as appropriate.”
• 123-456-7890 and any number with all digits the same (e.g., 444-444-4444) are not allowed.
• Area codes will be validated (against a list or by format?).
Client-side validation: The mainphone field must not be blank if the secondphone field is populated when the user clicks Continue to move to page 3 of 3 in the account set up; else error message, "Please enter your Main Telephone Number before entering a Second Telephone Number." When the user clicks OK to close the error dialog box, focus is placed on the mainphone field.