Attributes for AD Users : otherTelephone
The Active Directory attribute otherTelephone can contain an additional list of telephone numbers where the user is available at work. The primary working telephone number for the user can be stored in the singlevalue attribute named telephoneNumber.
otherTelephone
| LDAP name | otherTelephone |
| Data type | String (max 64) |
| Multivalue (Array) | Yes |
| System Flags | 0x10 |
| Search Flags | 0x0 |
| In Global Catalog? | No |
| Attribute ID | 1.2.840.113556.1.2.18 |
| AD DB attribute name | Phone-Office-Other |
| ADSI datatype | 3 - String(Unicode) |
| LDAP syntax | 1.3.6.1.4.1.1466.115.121.1.15 - Directory String |
| Used in ... | > W2K |
| Schema Info | Microsoft - MSDN |
This field isn't used directly from the Active Directory system, it is a pure info attribute without technical meaning. However, the telephoneNumber attribute is could be used used if some unified messaging system is installed which is based on Active Directory data.