Object Oriented Software Engineering   View all facts   Glossary   Help
subject > locale-dependent feature > telephone number format
Next locale-dependent feature: time format    Up: locale-dependent feature    Previous locale-dependent feature: postal code format   

telephone number format
subjectfact 
telephone number formathas localization issues
  • You should almost never require a specific format for these items since they differ so widely and can change at any time
  • Allow free-form input of whatever the user wants to type
  • A common error is to not allow enough characters, or to not allow extensions to be recorded for telephone numbers
2001-08-30 14:57:54.0
is a subtopic of 7.5 - Usability Principles2001-08-30 14:57:54.0
is a kind of locale-dependent feature2001-08-30 14:57:54.0