2.503 PidNameXVoiceMessageDuration
Canonical name: PidNameXVoiceMessageDuration
Description: Specifies the length of the attached audio message, in seconds.
Property set: PS_INTERNET_HEADERS {00020386-0000-0000-C000-000000000046}
Property name: X-VoiceMessageDuration
Data type: PtypInteger16, 0x0002
Area: Unified Messaging
Defining reference: [MS-OXOUM] section 2.2.5.4
Consuming reference: [MS-OXCMAIL]