The attributes of the class OMP_O_IM_C_OR_DESCRIPTOR map to MAPI properties as follows:
| MH ID/Type | MAPI Property |
|---|---|
| IM_FORMAL_NAME | Extract name using PR_ENTRYID; for X.400 address types, build an OR Address from string address. |
| IM_FREE_FORM_NAME | PR_SENDER_NAME for originator, PR_DISPLAY_NAME for recipient, or extract the display name using PR_SENDER_ENTRYID |
| IM_TELEPHONE_NUMBER | PR_CALLBACK_TELEPHONE_NUMBER for originator, PR_PRIMARY_TELEPHONE_NUMBER for recipient |