Address Qualifier What kind of email (or phone) is this? Is it a work phone? Or personal? Or is a permanent one? qualifierType extQualifierType refinedQualifierType refinedExtQualifierType POSC 1.0 personal The phone number or email address is personal, and can probably be received at the business associates home. work The phone number or email is a work number, which is subject to change if the business associate changes jobs. permanent The phone number or email is permanent, which will still be valid if the person changes home or work locations.