[This is preliminary documentation and subject to change.]
| Common-Name=X121-Address | Admin-Display-Name=X121-Address |
| Admin-Description=X121-Address | Object-Class=Attribute-Schema |
| Attribute-ID=2.5.4.24 | OM-Syntax=18 |
| Attribute-Syntax=String(Numeric) | LDAP-Display-Name=x121Address |
| Multi-valued | System-Only=FALSE |
| Mapi-ID=\x8158 | |
| Range 1 to 15 | |
| Schema-ID-GUID={bf967a7b-0de6-11d0-a285-00aa003049e2} | Comment=used by Exchange |