2.628 PidTagCallId
Canonical name: PidTagCallId
Description: Contains a unique identifier associated with the phone call.
Property ID: 0x6806
Data type: PtypString, 0x001F
Area: Unified Messaging
Defining reference: [MS-OXOUM] section 2.2.5.11
Consuming reference: [MS-OXCMAIL]
Alternate names: InternalSchemaCallID