2.2.5.6 PidNameXVoiceMessageSenderName Property
Type: PtypString ([MS-OXCDATA] section 2.11.1.2)
The PidNameXVoiceMessageSenderName property ([MS-OXPROPS] section 2.504) specifies the name of the caller who left the attached voice message, as provided by the voice network's caller ID system.
The relationship between this property and the X-VoiceMessageSenderName MIME header is specified in [MS-OXCMAIL] section 2.1.3.2.3 and [MS-OXCMAIL] section 2.2.3.2.23.